| 1% Running Club | London | - |
| 100 Marathon Club | London | - |
| 26.2 Road Runners Club | London | - |
| 4Life Triathlon Club | East Midlands | - |
| 7 Hills Harriers | Yorkshire & Humberside | - |
| Abbey Runners | Yorkshire & Humberside | 5.0 (2) |
| Abbey Running Club | South East | 5.0 (7) |
| Abingdon AC | South East | - |
| Accrington Road Runners | North West | - |
| Achille Ratti Climbing Club | North West | - |
| Achilles Club | London | - |
| Ackworth Road Runners | Yorkshire & Humberside | - |
| Adderbury Running Club | South East | - |
| Airecentre Pacers RC | Yorkshire & Humberside | - |
| Alchester Running Club | South East | - |
| Aldershot Farnham & District | South East | 3.7 (6) |
| Aldridge RC | West Midlands | - |
| Allen Valley Striders | North East | - |
| Allerton Junior Athletics Club | Yorkshire & Humberside | - |
| Allstride Collective Running Club | South East | - |
| Almost Athletes | South West | - |
| Alnwick Harriers | North East | - |
| Alton Runners | South East | - |
| Altrincham & District Athletic Club Limited | North West | 4.3 (32) |
| Amazing Feet Running Club | West Midlands | - |
| Amber Valley and Erewash Athletic Club | East Midlands | - |
| Ambleside AC | North West | - |
| Ampthill & Flitwick Flyers RC | East | - |
| Andover AC | South East | 4.4 (58) |
| Angels RC | South West | - |
| Arena 80 AC | South East | - |
| Arete Run Club | East | - |
| Army Athletics Association | South East | - |
| Arunners RC | South East | 5.0 (3) |
| Ashford & District RRC | South East | - |
| Ashford AC | South East | - |
| Ashford Striders RC | South East | - |
| Ashford Triathlon Club | South East | - |
| Ashington Hirst Running Club | North East | 5.0 (1) |
| Askern District RC | Yorkshire & Humberside | 4.5 (2) |
| Aspire Athletics | South East | - |
| Astley & Tyldesley Road Runners | North West | - |
| Aston Chasers | Yorkshire & Humberside | - |
| Attleborough Athletics Academy | East | - |
| Audley Striders Running Club | West Midlands | - |
| Aurora Harriers | North East | - |
| Avon Tempo | South West | - |
| Avon Valley Runners | South West | - |
| Axe Valley Runners | South West | 5.0 (9) |
| Aycliffe Running Club | North East | - |
| Aylsham Runners | East | - |
| BLC on the Run | East | - |
| BRJ Run and Tri | East | - |
| Bad Boy Running Club | South West | - |
| Badgers | West Midlands | 5.0 (9) |
| Baildon Runners | Yorkshire & Humberside | 4.6 (10) |
| Bakewell Athletics Club | East Midlands | - |
| Balsall Common Run Club | West Midlands | 5.0 (2) |
| Banbury Harriers AC | South East | 4.5 (27) |
| Barking Road Runners | London | - |
| Barlestone St Giles RC | East Midlands | - |
| Barlick Fell Runners | North West | - |
| Barnes Runners | London | - |
| Barnet & District AC | London | - |
| Barnsley Athletic Club | Yorkshire & Humberside | - |
| Barnsley Harriers | Yorkshire & Humberside | - |
| Barnt Green Chuggers | West Midlands | - |
| Barrow & Furness Striders AC | North West | - |
| Barrow Runners | East Midlands | - |
| Barton & District AC | Yorkshire & Humberside | 4.0 (4) |
| Basildon AC | East | 4.5 (10) |
| Basingstoke & Mid Hants AC | South East | - |
| Be Fit Today Track Academy | London | - |
| Bearbrook Running & Triathlon Club | South East | - |
| Beaumont RC | East Midlands | 5.0 (1) |
| Beccles & Bungay Harriers | East | 5.0 (4) |
| Beccles Triathlon Club | East | - |
| Beckenham Running Club | London | 4.5 (2) |
| Bedale & Aiskew Runners | Yorkshire & Humberside | - |
| Bedford & County AC | East | 5.0 (1) |
| Bedford Harriers AC | East | 5.0 (5) |
| Beeston AC | East Midlands | - |
| Belgrave Harriers | London | - |
| Bell & Harp Running Club | East Midlands | - |
| Belle Vue Racers | North West | - |
| Belper Harriers | East Midlands | - |
| Belper Running Club | East Midlands | - |
| Benfleet RC | East | - |
| Benson Striders | South East | - |
| Bentham Beagles Running Club | North West | - |
| Bere Alston Trekkers | South West | - |
| Best Athletics | London | - |
| Beverley Athletic Club | Yorkshire & Humberside | - |
| Bexhill Runners & Triathletes | South East | - |
| Bexley AC | London | 4.7 (29) |
| Bicester AC | South East | - |
| Biddulph RC | West Midlands | - |
| Bideford AAC | South West | 4.7 (25) |
| Biggleswade AC | East | 4.8 (19) |
| Billericay Striders | East | - |
| Billinge Running Club | North West | - |
| Billingham Marsh Hse H & AC | North East | - |
| Billingham Running Club | North East | 5.0 (1) |
| Bingley Harriers & AC | Yorkshire & Humberside | - |
| Birchfield Harriers | West Midlands | 4.4 (32) |
| Birkenhead AC | North West | - |
| Birkenhead Park Running Club | North West | - |
| Birmingham Running Athletics & Triathlon Club (BRAT) | West Midlands | 5.0 (2) |
| Birmingham Swifts | West Midlands | - |
| Birstall RC | East Midlands | 5.0 (6) |
| Birtley AC | North East | 4.4 (14) |
| Bishops Stortford RC | East | 5.0 (2) |
| Bitton Road Runners | South West | 5.0 (2) |
| Black Combe Runners | North West | - |
| Black Girls Do Run UK | London | - |
| Black Pear Joggers | West Midlands | 5.0 (2) |
| Black Trail Runners | London | - |
| Blackburn Harriers & AC | North West | - |
| Blackburn Road Runners | North West | - |
| Blackheath & Bromley Harriers AC | London | 4.7 (25) |
| Blackhill Bounders | North East | - |
| Blackley North Manchester AC | North West | - |
| Blackpool Wyre & Fylde AC | North West | 4.9 (7) |
| Blackwater Valley Runners | South East | 5.0 (12) |
| Blaydon Harrier & AC | North East | - |
| Blyth Running Club | North East | - |
| Blythe Bridge Running Club | West Midlands | - |
| Boalloy Running Club | North West | - |
| Bodmin Running Club | South West | - |
| Bodmin Women's RC | South West | - |
| Bognor Regis Tone Zone Runners | South East | - |
| Bolton Triathlon Club | North West | - |
| Bolton United Harriers & AC | North West | - |
| Border Harriers & AC | North West | 4.5 (6) |
| BornReady Academy | London | 5.0 (8) |
| Boro Runners | North East | - |
| Borrowdale Fell Runners | North West | - |
| Boston & District AC | East Midlands | 5.0 (1) |
| Bourne Town Harriers | East Midlands | - |
| Bournemouth AC | South West | - |
| Bournemouth Joggers | South West | - |
| Bournville Harriers | West Midlands | 4.3 (11) |
| Bourton Roadrunners Club | South West | - |
| Bowland Fell Runners | North West | - |
| Boxted Runners | East | - |
| Brackley and District RC | East Midlands | - |
| Bracknell AC | South East | 4.4 (94) |
| Bracknell Forest Runners | South East | - |
| Bracknell Road Runners | South East | - |
| Bradford Airedale AC | Yorkshire & Humberside | 4.7 (12) |
| Bradford Keighley & Skipton Disability Athletics (BKS) | Yorkshire & Humberside | - |
| Braintree & District AC | East | 4.0 (2) |
| Bramhall Runners | North West | - |
| Bramley Breezers | Yorkshire & Humberside | - |
| Brandon Fern Hoppers | East | - |
| Brentwood Beagles Athletics Club | East | - |
| Brentwood Running Club | East | - |
| Bridgnorth Running Club | West Midlands | - |
| Bridgwater & District Road & Trail Runners | South West | - |
| Bridlington Road Runners | Yorkshire & Humberside | - |
| Bridport Runners | South West | - |
| Brighton & Hove AC | South East | - |
| Brighton & Hove FrontRunners | South East | - |
| Brighton & Hove Women's Running Club | South East | - |
| Brighton Phoenix | South East | - |
| Bristol and West AC | South West | 4.5 (72) |
| British Airways AC | London | 4.5 (70) |
| British Wheelchair Athletics Association | South East | - |
| Bromley Veterans AC | London | - |
| Bromsgrove and Redditch | West Midlands | - |
| Broseley Joggers | West Midlands | - |
| Broxbourne Runners | East | 5.0 (13) |
| Bubble Works Run Community | East | - |
| Buckingham & Stowe RC | South East | - |
| Bude Rats (Run and Tri) | South West | - |
| Bungay Black Dog RC | East | 4.4 (23) |
| Bure Valley Harriers | East | - |
| Burgess Hill Runners | South East | - |
| Burnden Road Runners | North West | 5.0 (2) |
| Burnham Joggers | South East | - |
| Burnham On Sea Harriers | South West | - |
| Burnley AC | North West | 4.6 (34) |
| Burton AC | West Midlands | 4.6 (7) |
| Bury Athletic Club | North West | 4.3 (142) |
| Bushfield Runners | East | 5.0 (1) |
| Buxton AC | East Midlands | - |
| CLC Striders | South West | 5.0 (2) |
| Caistor Running Club | East Midlands | - |
| Calder Valley Fell Runners | Yorkshire & Humberside | - |
| Calne Running Club | South West | - |
| Calne SMaRTT | South West | - |
| Camberley & District AC | South East | - |
| Cambridge & Coleridge AC | East | - |
| Cambridge Harriers | London | 4.4 (14) |
| Cambridge Triathlon Club | East | - |
| Cambridge University AC | East | - |
| Cambridge University Hare and Hounds Club | East | - |
| Candy Racing | London | - |
| Cannock & Stafford AC | West Midlands | - |
| Canterbury Harriers | South East | - |
| Capel Cheetahs | East | - |
| Carleton Running Community | Yorkshire & Humberside | - |
| Carlisle Aspatria AC | North West | - |
| Carlisle Tri Club | North West | - |
| Carn Runners | South West | 4.7 (11) |
| Castle Point Joggers | East | - |
| Central Lancs Running & Triathlon Club (CLAN) | North West | - |
| Central Park Athletics | South East | - |
| Centurion RC | West Midlands | 5.0 (4) |
| Chandler's Ford Swifts Running Club | South East | - |
| Chapel Allerton Runners | Yorkshire & Humberside | - |
| Chard RRC | South West | - |
| Charnwood A C | East Midlands | - |
| Chase Harriers | West Midlands | - |
| Chatteris Running Club | East | - |
| Cheadle RC | West Midlands | - |
| Cheddar RC | South West | - |
| Chelmsford AC | East | 4.6 (50) |
| Cheltenham and County Harriers | South West | 4.9 (75) |
| Cherwell Runners & Joggers | South East | 5.0 (1) |
| Cheshire Dragons | North West | - |
| Cheshire Hill Racers | North West | - |
| Chessington Unity Running Club | South East | - |
| Chester Le Street & Dist AC | North East | - |
| Chester Road Runners | North West | - |
| Chester Triathlon Club | North West | - |
| Chesterfield & District AC | East Midlands | - |
| Chesterfield Tri Club | East Midlands | - |
| Chew Valley Snails | South West | - |
| Chichester Runners & AC | South East | - |
| Chiltern Harriers AC | South East | - |
| Chiltern Trail Runners | South East | - |
| Chineham Park Running Club | South East | - |
| Chippenham Harriers | South West | - |
| Chorley Athletic and Triathlon Club | North West | - |
| Chorlton Runners | North West | 5.0 (3) |
| Christchurch Runners | South West | - |
| Cirencester AC | South West | - |
| City Of Norwich AC | East | - |
| City Of Plymouth AC | South West | - |
| City Of Portsmouth AC | South East | - |
| City Of Salisbury AC & RC | South West | - |
| City of Birmingham Striders | West Midlands | - |
| City of Hull AC | Yorkshire & Humberside | - |
| City of Preston Triathlon Club for Juniors | North West | - |
| City of Sheffield and Dearne AC | Yorkshire & Humberside | - |
| City of Southend On Sea AC | East | - |
| City of Stoke AC | West Midlands | - |
| City of York AC | Yorkshire & Humberside | - |
| Clanfield Joggers | South East | 5.0 (5) |
| Clapham Chasers | London | - |
| Clapham Pioneers | London | - |
| Clapham Runners | London | - |
| Claremont Road Runners | North East | - |
| Clayton-le-Moors Harriers | North West | - |
| Cleethorpes AC | Yorkshire & Humberside | - |
| Cleobury Mortimer Running Club | West Midlands | 5.0 (4) |
| Clevedon AC | South West | - |
| Cliff Village Runners | East Midlands | - |
| Clowne Road Runners Club | East Midlands | - |
| Coalville Triathlon Club | East Midlands | - |
| Coastal Striders | South East | - |
| Cobra Running & Triathlon Club | West Midlands | 5.0 (6) |
| Colchester & Tendring AC | East | 4.6 (5) |
| Colchester Harriers AC | East | - |
| Collingwood AC | London | 5.0 (10) |
| Coltishall Jaguars RC | East | - |
| Compton Harriers RC | South East | - |
| Congleton Harriers | North West | - |
| Copeland AC | North West | - |
| Copthorne Chasers | South East | - |
| Corby AC | East Midlands | 4.5 (32) |
| Cornwall AC | South West | - |
| Cornwall Athletics Academy | South West | - |
| Corsham Running Club | South West | - |
| Cotswold Allrunners | South West | - |
| Cove Joggers | South East | 4.2 (5) |
| Coventry Triathletes | West Midlands | - |
| Cranbrook Running Club | South West | - |
| Craven Energy Triathlon & Multisport Club | Yorkshire & Humberside | - |
| Crawley AC | South East | - |
| Crawley Run Crew | South East | - |
| Crawley Saints & Sinners Running Club | South East | - |
| Crediton Running Network | South West | - |
| Crewe and Nantwich AC | North West | - |
| Crewkerne Running Club | South West | - |
| Croft Ambrey RC | West Midlands | - |
| Crook & Dist Sports AC | North East | 5.0 (2) |
| Crossgates Harriers | Yorkshire & Humberside | - |
| Crowborough Runners | South East | - |
| Croydon Harriers | London | - |
| Cruisers RC | South East | 5.0 (5) |
| Crystal Palace Fun Runners | London | 5.0 (2) |
| Crystal Palace Triathletes | London | - |
| Crystal Peaks Runners | Yorkshire & Humberside | 5.0 (6) |
| Cumberland AC | North West | - |
| Cumberland Fell Runners | North West | - |
| Cutacre Running Club | North West | - |
| DH Runners | North West | - |
| DILI Academy | London | - |
| DORSET DODDLERS RC | South West | - |
| DSFRS Running Club | South West | - |
| Dacorum Athletics Club | East | - |
| Dagenham 88 Runners | London | - |
| Dallam Running Club | North West | - |
| Danum Harriers | Yorkshire & Humberside | 5.0 (10) |
| Dark Peak Fell Runners | Yorkshire & Humberside | - |
| Darlington H & AC | North East | - |
| Darlington Triathlon Club | North East | - |
| Dartford Harriers AC | South East | - |
| Dartford Road Runners | South East | - |
| Dartmouth AAC | South West | - |
| Darwen Dashers RC | North West | - |
| Datchet Dashers | South East | - |
| Daventry AAC | East Midlands | - |
| Daventry Road Runners | East Midlands | - |
| Dawlish Coasters | South West | - |
| Daws Heath Harriers | East | - |
| Deal Tri Club | South East | - |
| Defra AC | London | - |
| Delamere Spartans | North West | - |
| Denby Dale Athletics Club | Yorkshire & Humberside | - |
| Dengie 100 Runners | East | - |
| Denmead Striders | South East | - |
| Derby Athletic Club | East Midlands | 4.6 (32) |
| Derbyshire Dynamos | East Midlands | - |
| Dereham Runners AC | East | - |
| Derwent AC Cockermouth | North West | 5.0 (1) |
| Derwent Runners (Derby) | East Midlands | - |
| Derwent Valley Running Club | North East | - |
| Derwent Valley Trail Runners | North East | - |
| Derwentside AC | North East | - |
| Desborough & Rothwell Running Club | East Midlands | 5.0 (2) |
| Desford Striders | East Midlands | - |
| Devizes Running Club | South West | - |
| Dewsbury Road Runners | Yorkshire & Humberside | - |
| Diamond Runners | East Midlands | - |
| Didcot Runners | South East | - |
| Didsbury Runners | North West | 4.8 (61) |
| Diss and District AC | East | 4.0 (11) |
| Doncaster Athletic Club | Yorkshire & Humberside | - |
| Doncaster Triathlon Club | Yorkshire & Humberside | - |
| Donnington Runners | West Midlands | - |
| Dorchester AC | South West | - |
| Dorchester RIOT | South West | - |
| Dorking & Mole Valley AC | South East | - |
| Dorset Sole Sisters | South West | - |
| Dover Road Runners | South East | - |
| Dragons Running Club (Leeds) | Yorkshire & Humberside | - |
| Dragons Running Club (Sale) | North West | 4.0 (4) |
| Driffield Striders | Yorkshire & Humberside | - |
| Drighlington Dynamos Running Club | Yorkshire & Humberside | - |
| Droitwich AC | West Midlands | - |
| Dronfield RC | East Midlands | - |
| Dudley Kingswinford RC | West Midlands | - |
| Dudley and Stourbridge Harriers | West Midlands | - |
| Dulwich Park Runners | London | 5.0 (9) |
| Dulwich Runners AC | London | 5.0 (3) |
| Dunstable Lions Running Club | East | - |
| Dunstable RRC | East | - |
| Durham City Harriers & AC | North East | - |
| Durham Fell Runners | North East | - |
| Dursley Running Club | South West | - |
| Dwain Chambers Sprint Club | London | - |
| Ealing Eagles Running Club | London | - |
| Ealing Southall & Middlesex AC | London | 5.0 (4) |
| Easingwold Running Club | Yorkshire & Humberside | 5.0 (9) |
| East Cheshire Harriers & Tameside AC | North West | 4.5 (33) |
| East Cornwall Harriers | South West | - |
| East Durham Running Club | North East | - |
| East End Road Runners | London | 4.0 (4) |
| East Essex Triathlon Club | East | - |
| East Grinstead & District AC | South East | - |
| East Grinstead Runners | South East | - |
| East Hull Harriers & AC | Yorkshire & Humberside | 4.9 (9) |
| East London Runners | London | 5.0 (11) |
| Eastbourne Rovers AC | South East | 4.9 (8) |
| Eastern Masters AC | East | - |
| Eastleigh RC | South East | 5.0 (1) |
| Eden Runners | North West | - |
| Edmonton RC | London | 5.0 (6) |
| Egdon Heath Harriers | South West | - |
| Eliot Ladies at Ambleside | West Midlands | - |
| Ellenborough AC | North West | - |
| Ellesmere Port RC | North West | 5.0 (2) |
| Elmbridge RRC | South East | - |
| Elswick Harriers | North East | - |
| Elvet Striders | North East | 1.0 (1) |
| Ely Runners | East | - |
| Ely Tri Club | East | - |
| Emancipated Run Crew | London | - |
| Emersons Green Running Club | South West | 4.9 (8) |
| Enfield Chasers | London | 4.0 (4) |
| Enfield and Haringey A C | London | 3.5 (8) |
| Epsom & Ewell Harriers | South East | - |
| Epsom Allsorts | South East | - |
| Epsom Oddballs RC | South East | - |
| Erewash Valley RC | East Midlands | - |
| Erme Valley Harriers | South West | - |
| Esk Valley Fell Club | Yorkshire & Humberside | - |
| Essington Harriers Running Club | West Midlands | 5.0 (8) |
| Eton Manor AC | London | 4.7 (9) |
| Evenwood Road Runners | North East | - |
| Evesham Vale Running Club | West Midlands | - |
| Evesham Vale Triathletes | West Midlands | - |
| Exeter Harriers | South West | 4.4 (53) |
| Exeter University Athletic Club | South West | 5.0 (18) |
| Exmouth Harriers | South West | - |
| Eye Community Runners | East | - |
| Eynsford Running Club | South East | - |
| Eynsham Road Runners | South East | - |
| Fairlands Valley Spartans | East | - |
| Falmouth Running Club | South West | - |
| Far Runners Faringdon | South East | - |
| Fareham Running Club | South East | - |
| Farnham Common Joggers & Wheelers Sports Club (JAWS) | South East | - |
| Farnham Runners | South East | 5.0 (2) |
| Farnham Town Running Club | South East | - |
| Farnham Triathlon Club | South East | - |
| Farsley Flyers | Yorkshire & Humberside | - |
| Faversham Running Club | South East | - |
| Felixstowe RRC | East | - |
| Fenland Running Club | East | 5.0 (2) |
| Fetch Everyone | East | - |
| Finch Coasters | South East | - |
| Fit 2 Run | South West | - |
| Fitmums and Friends | Yorkshire & Humberside | - |
| Fleckney & Kibworth Athletics Club | East Midlands | - |
| Fleet & Crookham AC | South East | 4.9 (10) |
| Folkestone Running & Athletics Club | South East | - |
| Fordy Runs Running Club | South East | - |
| Fordy Runs Running Club (Ashford) | - | - |
| Fordy Runs Running Club (Birmingham) | - | - |
| Fordy Runs Running Club (Borehamwood) | - | - |
| Fordy Runs Running Club (Bournemouth) | - | - |
| Fordy Runs Running Club (Bradford) | - | - |
| Fordy Runs Running Club (Broxbourne) | - | - |
| Fordy Runs Running Club (Burnham On Croach) | - | - |
| Fordy Runs Running Club (Camberley) | - | - |
| Fordy Runs Running Club (Carlisle) | - | - |
| Fordy Runs Running Club (Catford) | - | - |
| Fordy Runs Running Club (Chelmsford) | - | - |
| Fordy Runs Running Club (Cheltenham) | - | - |
| Fordy Runs Running Club (Church Crookham) | - | - |
| Fordy Runs Running Club (County Durham) | - | - |
| Fordy Runs Running Club (Coventry) | - | - |
| Fordy Runs Running Club (Crawley & Horsham) | - | - |
| Fordy Runs Running Club (Eastbourne) | - | - |
| Fordy Runs Running Club (Epping Forest) | - | - |
| Fordy Runs Running Club (Exeter) | - | - |
| Fordy Runs Running Club (Great Dunmow) | - | - |
| Fordy Runs Running Club (Hebburn) | - | - |
| Fordy Runs Running Club (Hull) | - | - |
| Fordy Runs Running Club (Ipswich) | - | - |
| Fordy Runs Running Club (Leeds) | - | - |
| Fordy Runs Running Club (London) | - | - |
| Fordy Runs Running Club (Medway) | - | - |
| Fordy Runs Running Club (Northampton) | - | - |
| Fordy Runs Running Club (Nottingham) | - | - |
| Fordy Runs Running Club (Oxford) | - | - |
| Fordy Runs Running Club (Port Vale) | - | - |
| Fordy Runs Running Club (Sandback) | - | - |
| Fordy Runs Running Club (Sheffield) | - | - |
| Fordy Runs Running Club (Shrewsbury) | - | - |
| Fordy Runs Running Club (Sittingbourne) | - | - |
| Fordy Runs Running Club (Southampton) | - | - |
| Fordy Runs Running Club (Southend) | - | - |
| Fordy Runs Running Club (Staffordshire) | - | - |
| Fordy Runs Running Club (Staines) | - | - |
| Fordy Runs Running Club (Surrey) | - | - |
| Fordy Runs Running Club (Wakefield) | - | - |
| Fordy Runs Running Club (Walsall) | - | - |
| Fordy Runs Running Club (Wrexham) | - | - |
| Forest of Dean AC | South West | 5.0 (3) |
| Formula One Circuit Crew | East Midlands | - |
| Framlingham Flyers | East | 5.0 (1) |
| Freck & Warton Running Club | North West | - |
| Frome Running Club | South West | - |
| Fry Club Joggers | South West | - |
| Ful-On Tri Club | London | - |
| Fulham Running Club | London | - |
| Fylde Coast Runners | North West | 3.8 (90) |
| Gade Valley Harriers | East | - |
| Gainsborough & Morton Striders | East Midlands | - |
| Garden City Runners | East | - |
| Garstang Running Club | North West | - |
| Gateshead Harriers & AC | North East | 5.0 (1) |
| Gator Athletics Club | West Midlands | - |
| Gillingham Trotters | South West | - |
| GinPit Flyers | North West | - |
| Gipsy Hill Run Club | London | 5.0 (4) |
| Girls That Jeff | South East | - |
| Glossopdale Harriers | East Midlands | - |
| Gloucester AC | South West | 4.4 (65) |
| Gnosall Globetrotters Running Club | West Midlands | - |
| GoodGym Race Team | London | - |
| Goole Viking Striders | Yorkshire & Humberside | - |
| Goole Youth AC | Yorkshire & Humberside | - |
| Gordonian Runners | South East | - |
| Gosforth Harriers & AC | North East | - |
| Gosport Road Runners | South East | - |
| Goyt Valley Striders | East Midlands | - |
| Grange Farm & Dunmow Runners | East | - |
| Grantham AC | East Midlands | - |
| Grantham Running Club | East Midlands | - |
| Gravesend Road Runners | South East | - |
| Great Bentley Running Club | East | - |
| Great Milton Athletics Club | South East | - |
| Great Western Runners | South West | - |
| Great Yarmouth & District AC | East | - |
| Great Yarmouth Road Runners | East | - |
| Greenwich Tritons Triathlon Club | London | - |
| Grimsby Harriers & AC | Yorkshire & Humberside | - |
| Guernsey AC | South East | - |
| Guildford & Godalming AC | South East | 5.0 (2) |
| HI Runners | East | - |
| HUUB Performance Project | East Midlands | - |
| HY Athletic Club | South East | 5.0 (2) |
| Hadleigh Hares AC | East | - |
| Hailsham Harriers | South East | - |
| Halesowen ACC | West Midlands | 4.6 (168) |
| Halifax Harriers & AC | Yorkshire & Humberside | 4.8 (17) |
| Halmer Harriers | East Midlands | - |
| Halstead RRC | East | - |
| Halton & Frodsham Harriers | North West | - |
| Hambleton Athletics & Running Club Ltd | Yorkshire & Humberside | - |
| Hamwic Harriers Running Club | South East | - |
| Hamworthy Harriers | South West | - |
| Handforth Wilmslow Alderley | North West | - |
| Handsworth Roadhogs | Yorkshire & Humberside | - |
| Handy Cross Runners | South East | - |
| Harborough AC | East Midlands | 5.0 (1) |
| Hardley Runners | South East | - |
| Harleston Running Club | East | - |
| Harling Athletic Club | East | 5.0 (2) |
| Harlow AC | East | - |
| Harlow Running & Tri Club | East | - |
| Harold Wood Running Club | East | - |
| Harpenden Arrows | East | - |
| Harrogate Harriers & AC | Yorkshire & Humberside | - |
| Harrogate Tri Club | Yorkshire & Humberside | - |
| Harrow AC | London | 4.6 (14) |
| Hart Road Runners | South East | 5.0 (17) |
| Hartlepool Athletics Club | North East | - |
| Hartlepool Burn Road Harriers | North East | - |
| Hartshill Runners | West Midlands | - |
| Harvel Hash House Harriers | South East | 5.0 (1) |
| Harwell Harriers | South East | 5.0 (5) |
| Harwich Runners | East | - |
| Haslemere Border AC | South East | 5.0 (3) |
| Hastings AC | South East | 4.7 (11) |
| Hastings Runners | South East | - |
| Hatch Warren Runners | South East | - |
| Hatton Darts | West Midlands | - |
| Havant AC | South East | 5.0 (5) |
| Haverhill Running Club | East | - |
| Havering '90 Joggers | London | - |
| Haxby Runners | Yorkshire & Humberside | - |
| Hayes & Harlington Road Runners | London | - |
| Hayle Runners | South West | - |
| Haywards Heath Harriers | South East | - |
| Hazlemere Runners | South East | - |
| Headington RR | South East | - |
| Heald Green Runners | North West | 5.0 (5) |
| Heanor Running Club | East Midlands | - |
| Heathfield Runners | South East | - |
| Heaton Harriers & Athletics Club Limited | North East | 5.0 (7) |
| Hedge End Running Club | South East | - |
| Helm Hill Runners | North West | - |
| Helpston Harriers AC | East | - |
| Helsby Running Club | North West | 5.0 (2) |
| Henfield Joggers | South East | - |
| Hercules Running & Tri Club | East | 4.9 (7) |
| Hercules Wimbledon AC | London | 4.6 (13) |
| Hereford & County AC | West Midlands | 4.1 (7) |
| Hereford Couriers Running Club | West Midlands | 5.0 (4) |
| Hereford Triathlon Club | West Midlands | - |
| Hermitage Harriers | East Midlands | 5.0 (2) |
| Herne Hill Harriers | London | - |
| Herts Phoenix AC | East | - |
| Heyford Aardvarks Running Club | South East | - |
| High Peak Athletic Club | East Midlands | - |
| Higham Harriers | East Midlands | 5.0 (6) |
| Highgate Harriers | London | 5.0 (41) |
| Highworth RC | South West | - |
| Hillingdon AC | London | 4.5 (37) |
| Hillsborough & Rivelin RC | Yorkshire & Humberside | - |
| Hinckley Running Club | East Midlands | - |
| Hitchin Running Club | East | - |
| Hoad Hill Harriers | North West | 4.7 (3) |
| Hockley Trail Runners | East | - |
| Hogweed Trotters | South West | 5.0 (1) |
| Holcombe Harriers | North West | - |
| Holgate Harriers | Yorkshire & Humberside | - |
| Holland Sports AC | South East | 5.0 (4) |
| Holme Pierrepont RC | East Midlands | - |
| Holmfirth Harriers AC | Yorkshire & Humberside | 4.7 (25) |
| Honiton RC | South West | - |
| Hook Norton Harriers | South East | - |
| Hook Runners | South East | - |
| Horley Harriers Running Club | South East | - |
| Hornsea Harriers | Yorkshire & Humberside | - |
| Horsforth Fellandale Club | Yorkshire & Humberside | 4.8 (17) |
| Horsforth Harriers | Yorkshire & Humberside | - |
| Horsham Blue Star Harriers | South East | - |
| Horsham Joggers | South East | 5.0 (1) |
| Horsham Run Fit | South East | 5.0 (1) |
| Horwich R M I Harriers | North West | - |
| Houghton Harriers & AC | North East | - |
| Howgill Harriers | North West | - |
| Hoylake Road Runners | North West | - |
| Human Energy AC | East Midlands | - |
| Huncote Harriers | East Midlands | - |
| Hungerford Hares RC | South East | - |
| Huntingdonshire AC | East | 4.7 (20) |
| Hunwick Harriers | North East | - |
| Hurricane Striders | East Midlands | - |
| Hyde Park Harriers | Yorkshire & Humberside | - |
| Hyde Village Striders | North West | 5.0 (4) |
| Hydrographic Harriers | South West | - |
| Hyndburn AC | North West | 4.4 (19) |
| Idle AC | Yorkshire & Humberside | - |
| Ilford AC | London | 5.0 (1) |
| Ilfracombe Running Club | South West | - |
| Ilkeston Running Club | East Midlands | - |
| Ilkley Harriers AC | Yorkshire & Humberside | - |
| Impact Athletic Club | South East | - |
| Independent Intelligent Fitness | South West | - |
| Inspire Runners Chichester | South East | - |
| Instinctive Sports | South West | - |
| Invicta East Kent AC | South East | 4.5 (8) |
| Ipswich Harriers | East | - |
| Ipswich Jaffa RC | East | - |
| Ipswich Phoenix Running Club | East | - |
| Ipswich Triathlon Club | East | - |
| Isle Of Man Veterans AC | North West | - |
| Isle Of Wight AC | South East | - |
| Isle Of Wight RR AC | South East | - |
| Istead & Ifield Harriers | South East | - |
| Itchen Spitfires Running Club | South East | - |
| Ivanhoe Robins Junior Athletics Club | East Midlands | 5.0 (1) |
| Ivanhoe Runners | East Midlands | - |
| JBR Run and Tri Club | London | - |
| JCB Lakeside Club | West Midlands | - |
| JH Running Club | South West | - |
| Jarrow & Hebburn AC | North East | 4.7 (6) |
| Jelly Legs Running Club | South East | - |
| Jersey Spartan AC | South East | - |
| Jesmond Joggers | North East | - |
| Jog On Jaguars | South West | - |
| Jogging Made Easy | East | 5.0 (1) |
| Just Run Community | East Midlands | - |
| Keighley & Craven AC | Yorkshire & Humberside | - |
| Kendal Amateur Athletic Club | North West | - |
| Kenilworth Runners | West Midlands | 4.6 (13) |
| Kent AC | London | 4.5 (6) |
| Kesgrave Kruisers | East | - |
| Keswick AC | North West | - |
| Kettering Town Harriers | East Midlands | 4.4 (73) |
| Kidderminster and Stourport | West Midlands | - |
| Kidlington Running Club | South East | - |
| Kids Run Redditch | West Midlands | - |
| Killamarsh Kestrels | Yorkshire & Humberside | 4.6 (81) |
| Kimberley & District Striders | East Midlands | 5.0 (6) |
| Kimberworth Striders | Yorkshire & Humberside | - |
| Kingfisher Harriers | West Midlands | 5.0 (4) |
| Kings Heath RC - The Lions | West Midlands | - |
| Kingston AC And Poly Harriers | London | 4.4 (25) |
| Kingston upon Hull AC | Yorkshire & Humberside | - |
| Kingstone Runners Barnsley | Yorkshire & Humberside | - |
| Kingswood Triathlon Club | South West | - |
| Kippax & District Harriers | Yorkshire & Humberside | 4.3 (3) |
| Kirkby AC | North West | - |
| Kirkby Milers AC | North West | - |
| Kirkstall Harriers | Yorkshire & Humberside | - |
| Knaresborough Striders | Yorkshire & Humberside | - |
| Knowle & Dorridge RC | West Midlands | - |
| Knowsley Harriers | North West | 5.0 (7) |
| Knutsford Runners | North West | - |
| Knutsford Tri Club | North West | - |
| Lancashire Constabulary Athletics Section | North West | - |
| Lancashire Fire & Rescue Service & AA | North West | - |
| Lancashire Walking Club | North West | - |
| Lancaster & Morecambe AC | North West | 5.0 (4) |
| Lancaster Runners | North West | - |
| Lancing Eagles RC | South East | - |
| Langport Runners | South West | - |
| Larkfield Athletics Club | South East | 5.0 (9) |
| Launceston Road Runners | South West | - |
| Lawley Running Club | West Midlands | 4.7 (3) |
| Leamington Athletics Academy | West Midlands | 3.9 (43) |
| Leamington Cycling and Athletics Club | West Midlands | 4.9 (20) |
| Ledbury & District Harriers | West Midlands | 5.0 (1) |
| Leeds & Bradford Triathlon Club | Yorkshire & Humberside | - |
| Leeds City Athletic Club | Yorkshire & Humberside | - |
| Leeds University AC and CC Club | Yorkshire & Humberside | - |
| Leicester Coritanian AC | East Midlands | 5.0 (1) |
| Leicester Triathlon Club | East Midlands | - |
| Leicester Walking Club | East Midlands | - |
| Leigh-on-Sea Striders | East | - |
| Leighton Buzzard Athletic Club | East | - |
| Leighton Buzzard Triathlon Club | East | - |
| Leighton Fun Runners | East | 5.0 (6) |
| Leven Valley AC | North West | - |
| Levenshulme Runners | North West | 5.0 (5) |
| Lewes AC | South East | 4.9 (15) |
| Lichfield Running Club | West Midlands | 5.0 (2) |
| Lifts and Sprints Athletics Academy | South East | - |
| Lincoln & District Runners | East Midlands | - |
| Lincoln Wellington Athletic Club | East Midlands | - |
| Lindley Running Club | Yorkshire & Humberside | - |
| Lingfield RC | South East | 5.0 (1) |
| Lions Running Community | North West | - |
| Liss Runners | South East | - |
| Little Baddow Ridge Runners | East | 5.0 (8) |
| Littleborough Runners | North West | - |
| Littledown Harriers | South West | - |
| Liverpool Harriers & AC | North West | 4.5 (111) |
| Liverpool Pembroke & Sefton H AC | North West | - |
| Liverpool Running Bugs | North West | - |
| Liverpool Running Club | North West | - |
| Loftus & Whitby AC | Yorkshire & Humberside | 4.3 (29) |
| London City Runners | London | - |
| London Frontrunners | London | - |
| London Hammer School | London | - |
| London Heathside | London | - |
| Lonely Goat RC | South West | - |
| Long Eaton Running Club | East Midlands | 5.0 (2) |
| Longstanton and Northstowe Limpers | East | - |
| Longwood Harriers AC | Yorkshire & Humberside | - |
| Lordshill Road Runners | South East | - |
| Lostock AC | North West | - |
| Loughborough Students AC | East Midlands | - |
| Loughton AC | East | 5.0 (4) |
| Louth AC | East Midlands | - |
| Louth Triathlon Club | East Midlands | - |
| Low Fell RC | North East | - |
| Lowestoft Road Runners | East | - |
| Ludlow Runners | West Midlands | - |
| Luton Athletic Club | East | - |
| Lutterworth Harriers Running Club | East Midlands | - |
| Lymington Triathlon Club | South East | - |
| Lymm Runners | North West | - |
| Lytchett Manor Striders | South West | - |
| Lytham St Annes RR Club | North West | - |
| MK Lakeside Runners | South East | - |
| Macclesfield Harriers & AC | North West | 5.0 (5) |
| MadRunners | North West | - |
| Maidenhead AC | South East | 4.6 (29) |
| Maidstone Harriers Run & Tri Club | South East | 5.0 (11) |
| Maltby Running Club | Yorkshire & Humberside | - |
| Malvern Buzzards Running Club | West Midlands | - |
| Malvern Joggers | West Midlands | - |
| Manchester Frontrunners | North West | - |
| Manchester Harriers & AC | North West | - |
| Manchester Road Runners | North West | 5.0 (2) |
| Manchester Triathlon Club | North West | - |
| Manchester YMCA Harriers | North West | - |
| Mansfield Harriers | East Midlands | 5.0 (3) |
| Manx Fell Runners | North West | - |
| Manx Harriers | North West | 4.0 (4) |
| March AC | East | 4.0 (1) |
| Market Drayton RC | West Midlands | 5.0 (5) |
| Marlborough Athletics | South West | 5.0 (1) |
| Marlborough Running Club | South West | - |
| Marlow Striders | South East | 4.1 (36) |
| Marple Runners | North West | 5.0 (1) |
| Marsden Racers | Yorkshire & Humberside | - |
| Marshall Milton Keynes AC | South East | 4.3 (56) |
| Maryport CSC | North West | - |
| Massey Ferguson RC | West Midlands | - |
| Matlock Athletic Club | East Midlands | - |
| Maximum Mileage Running Club | South West | 5.0 (62) |
| Meads Runners | South East | - |
| Medway Tri | South East | - |
| Medway and Maidstone AC | South East | - |
| Mel's Milers Jogging Club | South East | - |
| Meltham AC | Yorkshire & Humberside | - |
| Mendip Athletic Club | South West | - |
| Mendip Triathlon and Running Club | South West | - |
| Mercia Fell Runners | West Midlands | - |
| Mersey Tri | North West | - |
| Merseyside Fire & Rescue Service Running Club | North West | - |
| Methley Striders | Yorkshire & Humberside | - |
| Metropolitan Police AC | London | - |
| Metros RC | London | - |
| Michelin Running Club | West Midlands | - |
| Michelle's Running Group | East | - |
| Mickey Bushell Gold Standard Academy | West Midlands | - |
| Mickleover Running Club | East Midlands | - |
| Mid Essex Casuals | East | - |
| Mid Sussex Triathlon Club | South East | - |
| Middlesbrough & Cleveland Harriers | North East | - |
| Middlesbrough Athletic Club (Mandale) | North East | - |
| Middleton Harriers AC | North West | - |
| Midland Masters AC | West Midlands | - |
| Mikkeller Running Club Liverpool | North West | - |
| Mile High | South West | - |
| Mile Shy Club | North West | - |
| Millom Striders | North West | - |
| Milocarian AC | South East | - |
| Mojo Run Fit | London | - |
| Mole Valley Runners | South East | - |
| Momentum Track Club | London | 5.0 (12) |
| Morley Running Club | Yorkshire & Humberside | - |
| Mornington Chasers | London | - |
| Morpeth Harriers & AC | North East | - |
| Mossley Hill AC | North West | 4.5 (205) |
| Mossley Running Club | North West | - |
| Mote Runners | South East | 5.0 (2) |
| Mow Cop Runners | West Midlands | - |
| NEJ Running Club | London | 4.7 (14) |
| Nantwich Running Club | North West | - |
| Nepal Run | South East | - |
| Netherhall AC | North West | - |
| Netley Abbey Runners | South East | - |
| Nettleham Trotters Running Group | East Midlands | - |
| New Berkeley Harriers | South West | - |
| New Forest Junior AC | South East | - |
| New Forest Runners | South East | - |
| New Levels Run Club | East Midlands | - |
| New Marske Harriers Club | North East | 5.0 (2) |
| Newark AC | East Midlands | - |
| Newark Striders Running Club | East Midlands | - |
| Newburn Running Club | North East | - |
| Newbury AC | South East | - |
| Newcastle (Staffs) Tri Club | West Midlands | - |
| Newcastle Frontrunners | North East | - |
| Newcastle Staffs AC | West Midlands | - |
| Newcastle University AC | North East | - |
| Newent Runners | South West | - |
| Newham & Essex Beagles AC | London | 4.0 (5) |
| Newmarket Joggers AC | East | - |
| Newport and District RC | West Midlands | - |
| Newquay & Par AC | South West | 4.7 (48) |
| Newquay Road Runners | South West | - |
| Newton Abbot AC | South West | - |
| Nidd Valley Road Runners | Yorkshire & Humberside | - |
| Nidderdale Fell & Trail | Yorkshire & Humberside | 5.0 (1) |
| Norfolk Gazelles AC | East | - |
| Norfolk Harriers RC | East | - |
| North Bolton Runners | North West | - |
| North Cotswold Tri & Run | South East | - |
| North Derbyshire RC | East Midlands | - |
| North Devon AC | South West | 4.6 (21) |
| North East Project | North East | - |
| North East Veterans AC | North East | - |
| North Herts Road Runners | East | 5.0 (22) |
| North Leeds Fell Runners | Yorkshire & Humberside | - |
| North Norfolk Beach Runners | East | - |
| North Norfolk Harriers Athletics Club | East | - |
| North Shields Polytechnic Club | North East | - |
| North Somerset AC | South West | - |
| North Staffs RR Association | West Midlands | - |
| North York Moors AC | North East | - |
| Northampton AC | East Midlands | - |
| Northampton Road Runners | East Midlands | - |
| Northants Police Athletic Section | East Midlands | - |
| Northants Tri | East Midlands | - |
| Northbrook Athletic Club | West Midlands | - |
| Northenden Runners | North West | - |
| Northern (Isle of Man) AC | North West | - |
| Northern Fells Running Club | North West | 5.0 (3) |
| Northern Masters AC | North West | - |
| Northowram Pumas Running Club | Yorkshire & Humberside | - |
| Northumberland Fell Runners | North East | - |
| Northumbria University | North East | - |
| Northwich Running Club | North West | - |
| Norwich Road Runners | East | - |
| Notfast RC | East Midlands | - |
| Notts AC | East Midlands | 4.4 (57) |
| Notts Women Runners | East Midlands | - |
| Nuclear Races Striders | London | - |
| Nuneaton Harriers | West Midlands | 4.6 (57) |
| OS Runners | South East | - |
| Off that couch fitness | East Midlands | - |
| Okehampton RC | South West | - |
| Oldham & Royton H & AC | North West | - |
| Olney Runners AC | South East | - |
| Olympia Athletics | South East | - |
| On the Run Aylesbury and Pitstone | South East | - |
| Orchard Eagles Running Club | North East | - |
| Orion Harriers | London | 5.0 (21) |
| Orpington Road Runners | London | - |
| Orwell Panthers AC | East | - |
| Oswestry Olympians | West Midlands | - |
| Otley AC | Yorkshire & Humberside | 4.7 (3) |
| Overton Harriers & AC | South East | - |
| Owls AC | East Midlands | - |
| Oxford City AC | South East | - |
| Oxford Tri | South East | - |
| Oxford University AC | South East | 3.9 (11) |
| Oxted Runners | South East | - |
| PB Racing | South East | - |
| Paddock Wood AC | South East | - |
| Parbold Pink Panthers | North West | - |
| Peacehaven Run Club | South East | - |
| Peak Fell and Trail Crew | Yorkshire & Humberside | - |
| Peel Road Runners | West Midlands | - |
| Pendle Athletic Club | North West | - |
| Pendle Trail Running Club | North West | - |
| Penistone Footpath Runners & Athletic Club | Yorkshire & Humberside | - |
| Pennine Fell Runners | East Midlands | - |
| Penny Lane Striders | North West | - |
| Pensby Runners | North West | 5.0 (3) |
| Performance Physique Athletics Club | West Midlands | 5.0 (18) |
| Pershore Plum Plodders | West Midlands | - |
| Peterborough & Nene Valley AC | East | - |
| Petts Wood Runners | London | - |
| Pewsey Vale RC | South West | - |
| Phoenix Flyers AC | North East | - |
| Phoenix Striders | East | - |
| Pickering Running Club | Yorkshire & Humberside | - |
| Pitsea RC | East | - |
| Plumstead Runners | London | 5.0 (4) |
| Plymouth Falconers | South West | - |
| Plymouth Harriers | South West | - |
| Plymouth Musketeers Running Club | South West | - |
| Plymouth Striders | South West | - |
| Plymstock Road Runners | South West | 5.0 (5) |
| Pocklington Runners | Yorkshire & Humberside | - |
| Polegate Plodders | South East | - |
| Pontefract AC | Yorkshire & Humberside | - |
| Ponteland Runners | North East | - |
| Poole AC | South West | 5.0 (5) |
| Poole Runners | South West | 5.0 (4) |
| Poplar Running Club | East Midlands | - |
| Portishead R C | South West | 4.6 (5) |
| Portslade Hedgehoppers | South East | - |
| Portsmouth Joggers | South East | 5.0 (12) |
| Portsmouth Triathletes | South East | - |
| Potters Trotters | West Midlands | - |
| Pound Hill Pounders | South East | - |
| Preston Harriers | North West | - |
| Prestwich AC | North West | - |
| Prudhoe Plodders Running Club | North East | - |
| Pudsey & Bramley AC | Yorkshire & Humberside | - |
| Pudsey Pacers RC | Yorkshire & Humberside | - |
| Pudsey Runners | Yorkshire & Humberside | - |
| Purbeck Runners | South West | - |
| QBE Running Club | London | - |
| Quakers Running Club | North East | - |
| Quantock Harriers | South West | - |
| Quays Running Club | North West | - |
| Queens Park Harriers | London | - |
| Queensbury Running Club | Yorkshire & Humberside | 5.0 (1) |
| Queer Running Club | London | - |
| RAF Athletics | West Midlands | - |
| RED (Rochford Endurance & Distance) Runners | East | - |
| RES Run Club | North East | - |
| Race Hub | East Midlands | - |
| Radcliffe AC | North West | 4.7 (7) |
| Radley Athletic Club | South East | - |
| Rainford Runners and Multi Sport (RRAMS) | North West | - |
| Ramsbottom Running Club | North West | - |
| Ramsey Road Runners | East | - |
| Ranelagh Harriers | London | 4.9 (8) |
| Rasen Running Club | East Midlands | - |
| Ravens City of London Running Club | London | - |
| Ravens School Runners | London | - |
| Rawmarsh Runners | Yorkshire & Humberside | - |
| Reading AC | South East | 4.5 (27) |
| Reading Joggers | South East | - |
| Reading Roadrunners | South East | - |
| Rebel Runners Medway | South East | - |
| Red Kite Runners | North East | - |
| Red Rose Road Runners | North West | - |
| Redcar Running Club | North East | - |
| Redditch Stars | West Midlands | - |
| Redhill Road Runners | East Midlands | 3.7 (6) |
| Redway Runners | South East | - |
| Reepham Runners | East | 5.0 (7) |
| Regis Road Runners | South East | - |
| Reigate Priory AC | South East | 5.0 (1) |
| Retford AC | East Midlands | 4.3 (32) |
| Ribble Valley Runners | North West | - |
| Richmond & Zetland Harriers | Yorkshire & Humberside | 4.0 (2) |
| Rimrose Runners | North West | - |
| Ripley Running Club | East Midlands | - |
| Ripon Runners | Yorkshire & Humberside | - |
| Rising Brook Runners | West Midlands | - |
| Riverside Harriers | London | - |
| Riversway Road Runners | North West | - |
| Riviera Racers | South West | 5.0 (5) |
| Roadhoggs Leicester AC | East Midlands | 5.0 (2) |
| Roberttown Road Runners | Yorkshire & Humberside | - |
| Robin Park Runners | North West | - |
| Rochdale Harriers & AC | North West | - |
| Rochdale Tri Club | North West | - |
| Rochford Running Club | East | - |
| Rock Salt Runners | North West | - |
| Rodillian Runners | Yorkshire & Humberside | - |
| Rolls Royce Harriers | East Midlands | - |
| Romsey Road Runners | South East | - |
| Rossendale Harriers & AC | North West | - |
| Rother Valley Swallows | Yorkshire & Humberside | - |
| Rotherham Harriers and AC | Yorkshire & Humberside | - |
| Rotherham Running Club | Yorkshire & Humberside | - |
| Rothwell Harriers & AC | Yorkshire & Humberside | 4.9 (31) |
| Roundhay Runners | Yorkshire & Humberside | - |
| Royal Manor Of Portland AC | South West | - |
| Royal Sutton Coldfield Athletics Club | West Midlands | 4.7 (31) |
| Royal Wootton Bassett Hounds RC | South West | - |
| Royston Runners | East | - |
| Royton Road Runners | North West | - |
| Rugby & Northampton AC | East Midlands | - |
| Rugeley Runners | West Midlands | - |
| Ruislip RC | London | 4.8 (13) |
| Run & Ride Athletics Club | West Midlands | - |
| Run 4 U and Perform Running Club | West Midlands | - |
| Run Academy Worthing | South East | - |
| Run Alcester | West Midlands | - |
| Run Middlewich | North West | 5.0 (1) |
| Run Mummy Run CRC | South East | - |
| Run Nation Running Club | North East | - |
| Run Peterlee | North East | - |
| Run Sandymoor | North West | - |
| Run Things Run Club | East Midlands | - |
| RunThrough North | North West | - |
| RunThrough Run Club | North East | - |
| RunWednesdays | South East | - |
| Runfit Chorley | North West | - |
| Runhead AC | London | - |
| Runna | London | - |
| Runners-Next-the-Sea | East | - |
| Running Bear | North West | 4.9 (429) |
| Running Colchester | East | - |
| Running Forever RC | South West | - |
| Running Head First | North West | 5.0 (6) |
| Running Somewhere Else | South West | - |
| Running at 40 Plus | East Midlands | - |
| Runnymede Runners | South East | - |
| Rushcliffe AC | East Midlands | - |
| Rushmere Community Runners | East | - |
| Rutland Running & Triathlon Club | East Midlands | - |
| Ryde Harriers | South East | - |
| Ryston Runners | East | - |
| S Factor Athletics Academy | London | - |
| SHAEF Shifters Running Club | London | - |
| SLGR | South East | - |
| SOUTH LEEDS LAKERS RUNNING CLUB | Yorkshire & Humberside | 5.0 (7) |
| SS Athletics | East | - |
| Saddleworth Runners Club | North West | - |
| Saffron Athletics Club | East Midlands | - |
| Saffron Striders RC | East | - |
| Saint Edmund Pacers | East | - |
| Sale Harriers Manchester | North West | - |
| Salford Harriers & AC | North West | - |
| Salford Metropolitan AC | North West | - |
| Saltaire Striders | Yorkshire & Humberside | - |
| Saltwell Harriers | North East | - |
| Sandbach Striders | North West | 5.0 (4) |
| Sandhurst Joggers | South East | - |
| Savvy Park Runrz | Yorkshire & Humberside | - |
| Sawtry Running Club | East | - |
| Saxmundham Sports Running & Fitness Club | East | - |
| Scarborough Athletic Club | Yorkshire & Humberside | 4.4 (274) |
| Scunthorpe & District Running Club | Yorkshire & Humberside | - |
| Scunthorpe Harriers Athletic Club | Yorkshire & Humberside | - |
| Seaford Striders RC | South East | - |
| Seafront Shufflers | South East | - |
| Seaton Athletic Club | North West | - |
| Sedbergh School Running Club | North West | - |
| Sedgefield Harriers | North East | - |
| Sedgley Striders | West Midlands | - |
| Selby Striders | Yorkshire & Humberside | - |
| Serpentine Running and Triathlon Club | London | 5.0 (16) |
| Settle Harriers | Yorkshire & Humberside | - |
| Seven:Ten AC | London | - |
| Sevenoaks AC | South East | - |
| Severn AC | South West | - |
| Shadwell Runners | Yorkshire & Humberside | - |
| Shaftesbury Barnet Harriers | London | 5.0 (2) |
| Sheffield RC | Yorkshire & Humberside | - |
| Sheffield Triathlon Club | Yorkshire & Humberside | 5.0 (3) |
| Shefford Runners | East | - |
| Shelton Striders | East Midlands | - |
| Shenley Striders | South East | - |
| Shepshed Running Club | East Midlands | - |
| Sherfield Park Runners | South East | - |
| Shildon Running & AC | North East | 4.8 (16) |
| Shrewsbury AC | West Midlands | 4.0 (1) |
| Shropshire Shufflers | West Midlands | - |
| Silson AC | East Midlands | - |
| Silverdale RC | West Midlands | 5.0 (1) |
| Sinfin Running Club | East Midlands | - |
| Sip Running Club | North West | - |
| Sittingbourne Striders | South East | - |
| Skegness & District Running Club | East Midlands | - |
| Skelmersdale Boundary Harriers | North West | - |
| Skelmersdale Running Club | North West | - |
| Skipton AC | Yorkshire & Humberside | - |
| Skyrac Athletic Club | Yorkshire & Humberside | 5.0 (3) |
| Slaithwaite Striders RC | Yorkshire & Humberside | 5.0 (11) |
| Sleaford Striders AC | East Midlands | - |
| Sleaford Town Runners | East Midlands | - |
| Slough Junior AC | South East | - |
| Smalley Road Runners | East Midlands | 4.9 (7) |
| Snaith & Cowick Running Club | Yorkshire & Humberside | 5.0 (1) |
| Sneyd Striders | West Midlands | - |
| Sole Sisters (North Bristol) | South West | - |
| Solent Running Sisters | South East | - |
| Solihull & Small Heath Athletic Club | West Midlands | 4.7 (12) |
| Somer AC | South West | - |
| South Birmingham Striders | West Midlands | - |
| South Cambridge Striders | East | - |
| South Cheshire Harriers | North West | - |
| South Derbyshire Road Runners | East Midlands | - |
| South Devon AC | South West | 5.0 (1) |
| South Kent Harriers | South East | 5.0 (1) |
| South London Harriers | London | 4.7 (17) |
| South Molton Strugglers | South West | - |
| South Ribble Runners | North West | - |
| South Shields Harriers & AC | North East | 5.0 (4) |
| South West Athletics Academy | South West | 5.0 (8) |
| South West Road Runners | South West | - |
| South West Veterans AC | South West | - |
| South Woodham Runners | East | - |
| South Yorkshire Police AC | Yorkshire & Humberside | - |
| South of England Track and Field AC | South East | - |
| Southampton Athletic Club | South East | - |
| Southampton Triathlon Club | South East | - |
| Southampton University Athletics & Cross Country Club | South East | - |
| Southern Counties Veterans AC | South East | 4.0 (2) |
| Southport Strollers Running Club | North West | - |
| Southport Waterloo AC | North West | 5.0 (2) |
| Southville Running Club | South West | - |
| Southwark Athletics Club | London | 5.0 (5) |
| Southwell Running Club | East Midlands | - |
| Sowerby Bridge Snails Running Club | Yorkshire & Humberside | - |
| Spa Striders | West Midlands | 4.9 (17) |
| Sparkhill Harriers | West Midlands | - |
| Spectrum Striders | North West | - |
| Spenborough & Dist AC | Yorkshire & Humberside | - |
| Sphinx AC | West Midlands | - |
| Springfield Striders RC | East | 5.0 (3) |
| Squirrels Running Group | East Midlands | - |
| Sri Chinmoy Marathon Team | London | - |
| St Albans AC | East | 4.6 (36) |
| St Albans Striders | East | - |
| St Austell Athletes Running Club | South West | - |
| St Austell Running Club | South West | - |
| St Bees Triers | North West | - |
| St Helens Striders | North West | - |
| St Helens Sutton AC | North West | - |
| St John's Running Club | South East | - |
| St Mary's Calne Sports Centre Running & Triathlon | South West | - |
| St Mary's Richmond AC | London | - |
| St Mary's University Athletics Club | London | - |
| St Neots Riverside Runners | East | - |
| St Neots Triathlon Club | East | - |
| St Theresa's A.C. | Yorkshire & Humberside | - |
| Stadium Runners | Yorkshire & Humberside | - |
| Stafford Harriers | West Midlands | 4.6 (14) |
| Stainland Lions Running Club | Yorkshire & Humberside | - |
| Stamford Striders | East Midlands | 5.0 (17) |
| Start2Jog | East Midlands | - |
| Steel City Striders RC | Yorkshire & Humberside | - |
| Stevenage & North Herts AC | East | - |
| Stevenage Phoenix Running Club | East | - |
| Steyning AC | South East | 4.7 (3) |
| Stilton Striders | East Midlands | - |
| Stock Exchange AC | South East | - |
| Stockport Harriers & AC | North West | 4.6 (62) |
| Stockport Tri Club | North West | - |
| Stocksbridge Running Club | Yorkshire & Humberside | - |
| Stocksfield Striders | North East | - |
| Stockton Striders AC | North East | 4.7 (7) |
| Stoke F.I.T | West Midlands | - |
| Stone Master Marathoners | West Midlands | 4.5 (2) |
| Stonehenge Striders Running Club | South West | - |
| Stopsley Striders | East | - |
| Storm Plymouth | South West | - |
| Stourbridge RC | West Midlands | - |
| Stowmarket Striders RC | East | - |
| Stratford Upon Avon AC | West Midlands | - |
| Street Striders | South West | - |
| Stride Running Club | North West | - |
| Striders Of Croydon | London | 4.9 (14) |
| Stroud & District AC | South West | - |
| Stubbington Green Runners | South East | - |
| Styal Running Club | North West | 5.0 (1) |
| Sudbury Court Running Club | London | - |
| Sudbury Joggers | East | - |
| Sunderland Harriers & AC | North East | 4.6 (9) |
| Sunderland Strollers | North East | - |
| Sunlight Runners | North West | - |
| Surrey Walking Club | South East | - |
| Sutton & District AC | London | 4.8 (4) |
| Sutton Runners | London | 5.0 (5) |
| Sutton Striders | London | 5.0 (6) |
| Sutton in Ashfield Harriers & AC | East Midlands | 4.8 (17) |
| Swale Combined AC | South East | - |
| Swale Tri Club | South East | - |
| Swaledale Runners | Yorkshire & Humberside | - |
| Swanley & District AC | South East | - |
| Swindon Allstars | South West | - |
| Swindon Harriers | South West | 3.7 (6) |
| Swindon Striders | South West | - |
| Swinton Running Club | North West | 4.5 (6) |
| TFN Tri Club | East Midlands | - |
| TRX Wolves AC | West Midlands | - |
| TS Harriers | North East | - |
| TTT Run Club | South West | - |
| Tadcaster Harriers | Yorkshire & Humberside | - |
| Tadley Runners | South East | 5.0 (1) |
| Tadworth AC | South East | - |
| Tamar Trotters | South West | - |
| Tamworth AC | West Midlands | 4.2 (49) |
| Tattenhall Runners | North West | - |
| Taunton AC | South West | 5.0 (9) |
| Tavistock AC | South West | - |
| Tavistock Run Project | South West | - |
| Team Anstey Amblers and Runners | East Midlands | - |
| Team Balancise RC | East Midlands | - |
| Team Bath Athletic Club | South West | 4.3 (252) |
| Team Bodyworks | South East | - |
| Team COCO | North East | - |
| Team Caterpillar | Yorkshire & Humberside | - |
| Team Derby Runner | East Midlands | 4.8 (587) |
| Team Devizes - Moonrakers AC | South West | - |
| Team Kennet Triathlon & AC | South East | - |
| Team Manvers | Yorkshire & Humberside | - |
| TeamBR | Yorkshire & Humberside | - |
| Teesdale AC | North East | - |
| Teignbridge Trotters | South West | 5.0 (1) |
| Telford AC | West Midlands | 4.5 (35) |
| Telford Harriers | West Midlands | - |
| Tempest Running Club | North East | - |
| Tetbury Dolphins Running Club | South West | - |
| Tewkesbury Running Club | South West | - |
| Thame Runners | South East | - |
| Thames Hare & Hounds | London | - |
| Thames Turbo Triathlon Club | London | - |
| Thames Valley Harriers | London | - |
| Thames Valley Triathletes | South East | - |
| Thamesmead Running Club | London | 4.9 (10) |
| Thanet AC | South East | - |
| Thanet Roadrunners AC | South East | - |
| The Fitness Coach AC | Yorkshire & Humberside | - |
| The HAWCS | East | - |
| The Outrunners | London | - |
| The Running Hub | South East | 4.9 (150) |
| The Stragglers Running Club | London | - |
| The Students Union at UWE | South West | - |
| Thetford AC | East | - |
| Thirsk & Sowerby Harriers | Yorkshire & Humberside | - |
| Thornbury RC | South West | - |
| Thorney RC | East | - |
| Thornton Cleveleys Running Club | North West | - |
| Three Counties Running Club | East | 5.0 (2) |
| Thurrock Harriers | East | - |
| Tickhill Running & Athletic Club | Yorkshire & Humberside | - |
| Tipton Harriers | West Midlands | 4.3 (16) |
| Tiptree Road Runners | East | - |
| Tiverton Harriers | South West | - |
| Todmorden Harriers | Yorkshire & Humberside | - |
| Tonbridge AC | South East | - |
| Tooting Run Club | London | 4.4 (283) |
| Torbay AAC | South West | - |
| Torbay Tri Club | South West | - |
| Torrington AAC | South West | - |
| Totley AC | Yorkshire & Humberside | 4.6 (11) |
| Totton RC | South East | - |
| Track Academy | London | - |
| Trafford Athletic Club | North West | 4.6 (255) |
| Trail Runners Adventure Running Club | South West | - |
| Trail Running Association | London | - |
| Trawden Athletic Club | North West | 4.9 (7) |
| Trent Park Running Club | London | 4.9 (16) |
| Trentham RC | West Midlands | 4.9 (8) |
| Tri Logic Cornwall | South West | - |
| Tri London | London | - |
| Tri Surrey Triathlon Club | South East | - |
| Tri Tempo Eastbourne | South East | 4.9 (128) |
| Tri-Anglia Triathlon Club | East | - |
| Tri-Lakeland | North West | - |
| Tring RC | East | 4.3 (67) |
| Truro Running Club | South West | 5.0 (1) |
| Tuff Fitty Triathlon Club | South East | - |
| Tunbridge Wells Harriers | South East | - |
| Tweed Striders | North East | - |
| Twemlow Track Club | South West | - |
| Twisted Running | North West | 5.0 (33) |
| Tyne & Wear Fire Running Section | North East | - |
| Tyne Bridge Harriers | North East | - |
| Tynedale Harriers & AC | North East | - |
| UCL Running Athletics & Cross Country Club | London | 5.0 (2) |
| UFFO Athletic Satellite Clubs | London | - |
| UTS Running Club | North West | 5.0 (1) |
| Uckfield Runners | South East | - |
| University of Birmingham AC and Cross Country Club | West Midlands | - |
| University of Manchester Ath & XC Club | North West | - |
| University of Plymouth Athletics Club | South West | - |
| University of Portsmouth Athletics Club | South East | - |
| University of Sheffield Union of Students | Yorkshire & Humberside | - |
| University of Warwick | West Midlands | - |
| Unsanctioned Athletics | East Midlands | - |
| Upper Wharfedale Runners | Yorkshire & Humberside | - |
| Uttoxeter Road Runners | West Midlands | - |
| Vale Of Aylesbury AC | South East | - |
| Vale Royal AC | North West | - |
| Vale of York Athletic Community | Yorkshire & Humberside | 5.0 (46) |
| Valley Hill Runners | Yorkshire & Humberside | - |
| Valley Striders AC | Yorkshire & Humberside | - |
| Vector Racing | North East | - |
| Vegan Runners UK | East Midlands | - |
| VeloRunner | West Midlands | - |
| Verwood Runners | South West | - |
| Veterans AC | London | - |
| Victoria Park Harriers and Tower Hamlets AC | London | 4.7 (41) |
| Victory AC | South East | - |
| VocaLink Mastercard Running Club | Yorkshire & Humberside | - |
| Wadebridge Running Club | South West | - |
| Wadhurst Runners | South East | - |
| Wakefield District H & AC | Yorkshire & Humberside | - |
| Wakefield Triathlon Club | Yorkshire & Humberside | 5.0 (1) |
| Wallasey Athletic Club | North West | - |
| Wallsend Harriers & AC | North East | - |
| Walney Wind Cheetahs | North West | - |
| Walsall Arboretum Running Club | West Midlands | 5.0 (4) |
| Walton AC | South East | 4.8 (14) |
| Ware Joggers | East | - |
| Wargrave & Twyford Runners | South East | - |
| Warley Woods Pacers | West Midlands | - |
| Warminster Running Club | South West | - |
| Warrington A C | North West | - |
| Warrington Road Runners | North West | - |
| Warrington Running Club | North West | - |
| Warriors Pentathlon & Athletic Club | North West | 5.0 (5) |
| Warsop RC | East Midlands | - |
| Washington Running Club | North East | - |
| Washlands Women Runners | West Midlands | - |
| Watford Harriers | East | - |
| Watford Joggers | East | - |
| Waveney Valley AC | East | 4.0 (2) |
| Waverley Athletics Club | South East | - |
| Waverley Harriers | South East | - |
| Weald Tri Club | South East | - |
| Wearside Triathlon Club | North East | - |
| Weir Archer Academy | London | - |
| Wellingborough & District AC | East Midlands | 4.6 (10) |
| Wellness Warriors on the Run | South East | - |
| Wells City Harriers | South West | - |
| Wenlock Olympians | West Midlands | - |
| Werrington Joggers | East | - |
| Wesham Road Runners & AC | North West | - |
| West 4 Harriers | London | 5.0 (3) |
| West Bromwich Harriers | West Midlands | 4.7 (10) |
| West Cheshire Athletic Club | North West | 4.6 (38) |
| West End Runners | East Midlands | 5.0 (4) |
| West Hull Ladies | Yorkshire & Humberside | - |
| West London Track and Field | London | 5.0 (20) |
| West Norfolk AC | East | - |
| West Suffolk AC | East | 4.5 (2) |
| West Wight Road Runners | South East | - |
| West Worthing Runners | South East | - |
| West Yorkshire Police Harriers | Yorkshire & Humberside | - |
| Westbourne R C | South West | - |
| Westbury Harriers | South West | - |
| Western Athletic Club (Isle of Man) | North West | - |
| Western Tempo | South West | - |
| Weston Athletic Club | South West | - |
| Weston Whippets | South West | - |
| Westside Runnas UK | London | - |
| Wetherby Runners AC | Yorkshire & Humberside | - |
| Weymouth St Pauls Harriers | South West | - |
| Wharfedale Harriers | Yorkshire & Humberside | - |
| Wheathampstead Warriors | East | 5.0 (6) |
| Whitby Running Club | Yorkshire & Humberside | - |
| Whitchurch Whippets | West Midlands | - |
| White City (Hull) RRC | Yorkshire & Humberside | - |
| White Cliffs Athletics & Running Club | South East | - |
| White Horse Harriers | South East | - |
| Whitstable Road Runners | South East | - |
| Widnes Running Club | North West | - |
| Widnes Wasps Ladies R C | North West | - |
| Wigan & District H & AC | North West | - |
| Wigan Phoenix | North West | - |
| Wigston Phoenix RC | East Midlands | 5.0 (2) |
| Wigton Road Runners | North West | - |
| Wilmslow Running Club | North West | - |
| Wilmslow Striders | North West | - |
| Wimbledon Windmilers | London | - |
| Wimborne AC | South West | - |
| Winchester & District AC | South East | - |
| Winchester Fit Club RC | South East | - |
| Winchester Running Club | South East | - |
| Windle Valley Runners | South East | 5.0 (4) |
| Windrush Triathlon Club | London | 5.0 (21) |
| Windsor Slough Eton & Hounslow AC | South East | - |
| Winston Runners | North West | - |
| Winter Hill Runners | North West | - |
| Winterton Running Club | Yorkshire & Humberside | - |
| Wirral AC | North West | 5.0 (9) |
| Witham RC | East | 5.0 (3) |
| Witham Runners (Lincolnshire) | East Midlands | - |
| Withernsea Harriers | Yorkshire & Humberside | - |
| Witney Road Runners | South East | - |
| Woking AC | South East | 3.8 (16) |
| Wolds Veteran RC | Yorkshire & Humberside | - |
| Wolverhampton & Bilston | West Midlands | 4.8 (5) |
| Women on the Run | South West | - |
| Woodbridge Shufflers RC | East | - |
| Woodford Green AC with Essex Ladies | London | 4.0 (8) |
| Woodstock Harriers AC | South East | - |
| Woodthorpe Huffers & Puffers | East Midlands | - |
| Wootton Road Runners | East Midlands | - |
| Worcester AC | West Midlands | 5.0 (2) |
| Worcester Students' Union Athletic Club | West Midlands | - |
| Worksop Harriers | East Midlands | - |
| Worthing & District Harriers | South East | 4.6 (22) |
| Worthing Gazelles | South East | - |
| Worthing Striders | South East | 4.7 (14) |
| Wreake & Soar Valley | East Midlands | - |
| Wreake Runners | East Midlands | 5.0 (5) |
| Wrekin Harriers | West Midlands | - |
| Wrekin Road Runners | West Midlands | - |
| Wycombe Phoenix Harriers & AC | South East | 4.1 (27) |
| Wye Valley Runners | West Midlands | 5.0 (5) |
| Wymeswold RC | East Midlands | - |
| Wymondham AC | East | - |
| Yate & District AC | South West | 4.9 (47) |
| Yate & Sodbury Striders | South West | - |
| Yaxley Runners & Joggers | East | - |
| Yellow Brick Road Running & Walking Club | South West | - |
| Yeovil Olympiads AC | South West | 4.5 (107) |
| Yeovil Town RRC | South West | - |
| York Acorn Running Club | Yorkshire & Humberside | - |
| York Knavesmire Harriers | Yorkshire & Humberside | - |
| York Postal Harriers | Yorkshire & Humberside | - |
| York Triathlon Club | Yorkshire & Humberside | - |
| Yorkshire Wolds Runners | Yorkshire & Humberside | - |
| Young Athletes Club | South East | - |
| Zero to Hero Runners | London | - |
| Zoom Tri Club Bournemouth | South West | - |