| Billericay Striders RC | 151 | 2585 | Billericay Striders RC home page  |
| Springfield Striders RC | 54 | 86 | Springfield Striders RC home page |
| Rayleigh RAT Runners | 36 | 71 | Rayleigh RAT Runners home page |
| Phoenix Striders | 35 | 114 | Phoenix Striders home page |
| Castle Point Joggers | 27 | 85 | Castle Point Joggers home page |
| Brentwood Running Club | 25 | 106 | Brentwood Running Club home page |
| East Essex Triathlon Club | 24 | 167 | East Essex Triathlon Club home page |
| Pitsea RC | 24 | 41 | Pitsea RC home page |
| Flyers Southend | 21 | 63 | Flyers Southend home page |
| Weald Park Warriors | 21 | 86 | Weald Park Warriors home page |
| Basildon AC | 21 | 70 | Basildon AC home page |
| Leigh on Sea Striders | 20 | 26 | Leigh on Sea Striders home page |
| Harlow RC | 14 | 15 | Harlow RC home page |
| Chelmsford AC | 13 | 54 | Chelmsford AC home page |
| Rochford Running Club | 13 | 15 | Rochford Running Club home page |
| Harold Wood Running Club | 13 | 18 | Harold Wood Running Club home page |
| Dagenham 88 Runners | 12 | 13 | Dagenham 88 Runners home page |
| Havering '90 Joggers | 12 | 17 | Havering '90 Joggers home page |
| Barking Road Runners | 12 | 13 | Barking Road Runners home page |
| Vegan Runners | 12 | 98 | Vegan Runners home page |
| Hockley Trail Runners | 12 | 18 | Hockley Trail Runners home page |
| Benfleet RC | 11 | 13 | Benfleet RC home page |
| Little Baddow Ridge RC | 11 | 19 |
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| RunFit Essex | 11 | 86 | RunFit Essex home page |
| Thurrock Nomads | 10 | 15 | Thurrock Nomads home page |
| SLGR | 10 | 10 | SLGR home page |
| Lonely Goat RC | 9 | 23 | Lonely Goat RC home page |
| East London Runners | 7 | 65 | East London Runners home page |
| Maldon Soul Runners | 7 | 7 | Maldon Soul Runners home page |
| Havering Tri | 6 | 7 | Havering Tri home page |
| Tiptree Road Runners | 6 | 6 | Tiptree Road Runners home page |
| Colchester Harriers AC | 6 | 6 | Colchester Harriers AC home page |
| Ilford AC | 6 | 12 | Ilford AC home page |
| Ware Joggers | 6 | 6 | Ware Joggers home page |
| Chiltern Church Runners | 6 | 6 | Chiltern Church Runners home page |
| Dengie 100 Runners | 6 | 6 | Dengie 100 Runners home page |
| Dartford Road Runners | 5 | 7 | Dartford Road Runners home page |
| 26.2 RRC | 5 | 5 | 26.2 RRC home page |
| Team Slug | 5 | 7 |
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| Chelmsford City Swimming Club | 5 | 7 | Chelmsford City Swimming Club home page |
| Jogging Made Easy | 5 | 5 | Jogging Made Easy home page |
| Witham RC | 5 | 8 | Witham RC home page |
| UK parkrun tourists | 5 | 5 |
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| Cambridge and Coleridge AC | 4 | 4 | Cambridge and Coleridge AC home page |
| Sutton Runners | 4 | 6 | Sutton Runners home page |
| Reading Roadrunners | 4 | 4 | Reading Roadrunners home page |
| Canterbury Harriers | 4 | 4 | Canterbury Harriers home page |
| UK Mudd Queens | 4 | 4 | UK Mudd Queens home page |
| Serpentine RC | 4 | 10 | Serpentine RC home page |
| Petts Wood Runners | 4 | 15 | Petts Wood Runners home page |
| Felixstowe RRC | 4 | 7 | Felixstowe RRC home page |
| Striders of Croydon AC | 3 | 3 | Striders of Croydon AC home page |
| Running Colchester | 3 | 3 |
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| Defence Sports & Recreation | 3 | 17 | Defence Sports & Recreation home page |
| Lordshill Road Runners | 3 | 6 | Lordshill Road Runners home page |
| Tri Sport Epping | 3 | 3 | Tri Sport Epping home page |
| NHS Couch to 5k | 3 | 3 | NHS Couch to 5k home page |
| 100 Marathon Club | 3 | 4 | 100 Marathon Club home page |
| South Woodham Runners | 3 | 3 | South Woodham Runners home page |
| Havering Athletic Club | 3 | 7 | Havering Athletic Club home page |
| Braintree & District AC | 3 | 11 | Braintree & District AC home page |
| Thurrock Harriers AC | 3 | 5 |
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| RED Runners | 3 | 3 |
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| Eye Community Runners | 3 | 3 | Eye Community Runners home page |
| Orion Harriers | 3 | 47 | Orion Harriers home page |
| Sudbury Joggers | 2 | 3 | Sudbury Joggers home page |
| Burnham on Crouch RUFC | 2 | 2 | Burnham on Crouch RUFC home page |
| Wimbledon Windmilers | 2 | 2 | Wimbledon Windmilers home page |
| Beckenham RC | 2 | 2 | Beckenham RC home page |
| S C Fitness | 2 | 2 | S C Fitness home page |
| Bishops Stortford RC | 2 | 2 | Bishops Stortford RC home page |
| UKRunChat Running Club | 2 | 2 | UKRunChat Running Club home page |
| Hash House Harriers | 2 | 2 | Hash House Harriers home page |
| Ivanhoe Runners | 2 | 2 | Ivanhoe Runners home page |
| Queensbury RC | 2 | 2 | Queensbury RC home page |
| Meridian Striders | 2 | 6 |
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| Sweatshop Running Community | 2 | 2 | Sweatshop Running Community home page |
| parkrun World tourists | 2 | 2 |
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| Dubai Road Runners | 2 | 14 | Dubai Road Runners home page |
| Haywards Heath Harriers | 2 | 14 | Haywards Heath Harriers home page |
| Crystal Palace Fun Runners | 2 | 3 | Crystal Palace Fun Runners home page |
| Ravens | 2 | 21 | Ravens home page |
| Massey Ferguson RC | 2 | 2 | Massey Ferguson RC home page |
| Redway Runners | 2 | 2 | Redway Runners home page |
| Chelmsford Canoe Club | 2 | 2 | Chelmsford Canoe Club home page |
| viewtube runners | 2 | 4 | viewtube runners home page |
| Clapham Chasers RC | 2 | 2 | Clapham Chasers RC home page |
| JBR Run & Tri Club | 2 | 2 | JBR Run & Tri Club home page |
| Halstead RRC | 2 | 2 | Halstead RRC home page |
| Mid Essex Casuals | 2 | 2 | Mid Essex Casuals home page |
| GoodGym | 2 | 2 | GoodGym home page |
| Nuclear Races Striders | 2 | 3 |
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| #runforfun | 2 | 2 |
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| Bristol and West AC | 2 | 3 | Bristol and West AC home page |
| Trail Running Association | 2 | 3 | Trail Running Association home page |
| The Salvation Army | 2 | 2 | The Salvation Army home page |
| Newham & Essex Beagles AC | 2 | 11 |
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| Windrush Triathlon Club | 2 | 2 | Windrush Triathlon Club home page |
| Harpenden's Junior Runners | 2 | 2 | Harpenden's Junior Runners home page |
| Chafford Hundred Running Group | 2 | 3 | Chafford Hundred Running Group home page |
| Harpenden Arrows Running Club | 2 | 2 | Harpenden Arrows Running Club home page |
| #thisgirlcanessex | 2 | 99 |
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| Stragglers | 2 | 2 | Stragglers home page |
| Chepstow Harriers | 2 | 2 | Chepstow Harriers home page |
| Stubbington Green Runners | 2 | 6 | Stubbington Green Runners home page |
| British Airways AC | 2 | 2 | British Airways AC home page |
| Didsbury Runners | 2 | 2 | Didsbury Runners home page |
| BoS swim & Sports Academy | 2 | 4 | BoS swim & Sports Academy home page |
| Hamworthy Harriers | 1 | 1 | Hamworthy Harriers home page |
| Chigwell and Epping Forest Orienteering Club | 1 | 1 | Chigwell and Epping Forest Orienteering Club home page |
| Beccles Triathlon Club | 1 | 1 | Beccles Triathlon Club home page |
| Bristol Up & Runners | 1 | 3 |
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| Twemlow Anchors Track Club | 1 | 1 |
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| Burnham Joggers | 1 | 1 | Burnham Joggers home page |
| Edmonton RC | 1 | 1 | Edmonton RC home page |
| Otley AC | 1 | 2 | Otley AC home page |
| Fetch Everyone RC | 1 | 1 | Fetch Everyone RC home page |
| Hatch Warren Runners | 1 | 1 | Hatch Warren Runners home page |
| Michelle's Running Group | 1 | 1 |
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| Central Park Athletics | 1 | 2 | Central Park Athletics home page |
| Ranelagh Harriers | 1 | 1 | Ranelagh Harriers home page |
| Malvern Joggers | 1 | 2 | Malvern Joggers home page |
| Woodford Green AC with Essex Ladies | 1 | 2 | Woodford Green AC with Essex Ladies home page |
| Tri2O | 1 | 1 | Tri2O home page |
| East Coast Runners | 1 | 1 |
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| Ripon Runners | 1 | 1 | Ripon Runners home page |
| Ful-On Tri | 1 | 2 | Ful-On Tri home page |
| Handy Cross Runners | 1 | 2 | Handy Cross Runners home page |
| Poole Runners | 1 | 1 | Poole Runners home page |
| Benson Striders | 1 | 1 | Benson Striders home page |
| Huntingdonshire AC | 1 | 1 | Huntingdonshire AC home page |
| Cambridge Triathlon Club | 1 | 1 | Cambridge Triathlon Club home page |
| Swindon Harriers | 1 | 1 | Swindon Harriers home page |
| Discovery Tri | 1 | 1 | Discovery Tri home page |
| SHAEF Shifters | 1 | 1 | SHAEF Shifters home page |
| Billericay Detachment, ESSEX ACF | 1 | 1 |
|
| Eastleigh RC | 1 | 2 | Eastleigh RC home page |
| Overton Harriers & AC | 1 | 1 | Overton Harriers & AC home page |
| Great Yarmouth Road Runners | 1 | 1 | Great Yarmouth Road Runners home page |
| CSSC Sports & Leisure | 1 | 22 | CSSC Sports & Leisure home page |
| Danson Runners | 1 | 1 | Danson Runners home page |
| Black Pear Joggers | 1 | 1 | Black Pear Joggers home page |
| Garden City Runners | 1 | 1 | Garden City Runners home page |
| Shropshire Shufflers | 1 | 1 | Shropshire Shufflers home page |
| Ravenstone Runners | 1 | 1 | Ravenstone Runners home page |
| Beginners2Runners | 1 | 1 | Beginners2Runners home page |
| Kings Heath Running Club | 1 | 1 | Kings Heath Running Club home page |
| Rebel Runners ~ Medway | 1 | 1 | Rebel Runners ~ Medway home page |
| Cambridge University Hare and Hounds | 1 | 1 | Cambridge University Hare and Hounds home page |
| Swinton RC | 1 | 3 | Swinton RC home page |
| Tailenders | 1 | 1 | Tailenders home page |
| Tankerton Running Group | 1 | 1 |
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| City of Norwich AC | 1 | 1 | City of Norwich AC home page |
| Eccleshill Road Runners | 1 | 3 | Eccleshill Road Runners home page |
| Lincoln Wellington AC | 1 | 2 | Lincoln Wellington AC home page |
| The Commando Runners | 1 | 1 | The Commando Runners home page |
| Derek Zoolander Centre for Kids Who Can't Run Good | 1 | 28 | Derek Zoolander Centre for Kids Who Can't Run Good home page |
| Road Runners Club | 1 | 1 | Road Runners Club home page |
| Royal Wootton Bassett Hounds RC | 1 | 1 | Royal Wootton Bassett Hounds RC home page |
| Pontefract A.C. | 1 | 1 | Pontefract A.C. home page |
| Team Kimpton | 1 | 1 | Team Kimpton home page |
| Somerset RC Tri | 1 | 1 | Somerset RC Tri home page |
| Run Walk Run Together RWRT | 1 | 1 |
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| Barnet and District AC | 1 | 1 | Barnet and District AC home page |
| Grange Farm and Dunmow Runners | 1 | 1 | Grange Farm and Dunmow Runners home page |
| Bournemouth AC | 1 | 1 | Bournemouth AC home page |
| Tonbridge AC | 1 | 1 | Tonbridge AC home page |
| Ground Control Running Club | 1 | 10 | Ground Control Running Club home page |
| Les Croupiers RC | 1 | 1 | Les Croupiers RC home page |
| Congleton Harriers & AC | 1 | 1 | Congleton Harriers & AC home page |
| North Wales Road Runners | 1 | 1 | North Wales Road Runners home page |
| ParkrunnerPB | 1 | 2 | ParkrunnerPB home page |
| Company of Runners | 1 | 3 | Company of Runners home page |
| Thames Turbo Triathlon | 1 | 1 | Thames Turbo Triathlon home page |
| Ipswich JAFFA RC | 1 | 1 | Ipswich JAFFA RC home page |
| Stopsley Striders Jogging Club | 1 | 1 | Stopsley Striders Jogging Club home page |
| Saltaire Striders | 1 | 1 | Saltaire Striders home page |
| Hyde Village Striders | 1 | 1 | Hyde Village Striders home page |
| Hucclecote Harriers | 1 | 1 | Hucclecote Harriers home page |
| North East Veterans AC | 1 | 1 | North East Veterans AC home page |
| Bush Hill Park Runners | 1 | 1 | Bush Hill Park Runners home page |
| 295 Striders | 1 | 4 |
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| Tailrunners SE Essex Canicross Running Club | 1 | 2 |
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| Blackheath & Bromley Harriers AC | 1 | 1 | Blackheath & Bromley Harriers AC home page |
| Gateshead Harriers & AC | 1 | 1 | Gateshead Harriers & AC home page |
| Bexley AC | 1 | 1 | Bexley AC home page |
| East End Road Runners | 1 | 1 | East End Road Runners home page |
| Brighton Tri Club | 1 | 1 | Brighton Tri Club home page |
| DofE | 1 | 1 | DofE home page |
| Rushmere Community Runners | 1 | 1 | Rushmere Community Runners home page |
| Marshall Milton Keynes AC | 1 | 1 | Marshall Milton Keynes AC home page |
| City of Portsmouth AC | 1 | 1 | City of Portsmouth AC home page |
| Ealing Eagles Running Club | 1 | 1 | Ealing Eagles Running Club home page |
| HI Runners | 1 | 2 |
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| Highgate Harriers | 1 | 4 | Highgate Harriers home page |
| White City (Hull) RRC | 1 | 1 | White City (Hull) RRC home page |
| Stowmarket Striders RC | 1 | 1 | Stowmarket Striders RC home page |
| Walney Wind Cheetahs | 1 | 8 |
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| Dulwich Runners AC | 1 | 2 | Dulwich Runners AC home page |
| Eton Manor AC | 1 | 1 | Eton Manor AC home page |
| Littledown Harriers RC | 1 | 1 | Littledown Harriers RC home page |
| Southend-on-Sea AC | 1 | 1 | Southend-on-Sea AC home page |
| Pirate Ship of Fools | 1 | 1 | Pirate Ship of Fools home page |
| Medway Fit | 1 | 1 | Medway Fit home page |
| Run Mummy Run | 1 | 1 | Run Mummy Run home page |
| Great Denham Runners | 1 | 2 | Great Denham Runners home page |
| Sheen Shufflers | 1 | 1 | Sheen Shufflers home page |
| Cheddar Running Club | 1 | 2 | Cheddar Running Club home page |
| North Norfolk Beach Runners | 1 | 1 | North Norfolk Beach Runners home page |
| 7oaks Tri Club | 1 | 1 | 7oaks Tri Club home page |
| Team Tangerine | 1 | 1 |
|
| Chelmsford Table Tennis League | 1 | 1 | Chelmsford Table Tennis League home page |
| Enfield & Haringey AC | 1 | 9 | Enfield & Haringey AC home page |
| Biggleswade AC | 1 | 1 | Biggleswade AC home page |
| Clapham Runners | 1 | 1 |
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| Newark Striders Running Club | 1 | 1 | Newark Striders Running Club home page |
| Ashford Striders | 1 | 1 |
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| Macclesfield Harriers & AC | 1 | 1 | Macclesfield Harriers & AC home page |
| Club Kingswood RC | 1 | 5 |
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| Bridgnorth Running Club | 1 | 1 | Bridgnorth Running Club home page |
| Pontyclun Road Runners | 1 | 1 | Pontyclun Road Runners home page |
| Tri London | 1 | 3 | Tri London home page |
| Horsforth Harriers | 1 | 2 | Horsforth Harriers home page |
| Rossendale Harriers & AC | 1 | 1 | Rossendale Harriers & AC home page |
| Ealing, Southall & Middlesex AC | 1 | 1 | Ealing, Southall & Middlesex AC home page |
| Almost Athletes | 1 | 1 | Almost Athletes home page |
| Paddock Wood AC | 1 | 1 | Paddock Wood AC home page |
| Maldon Rugby club | 1 | 1 | Maldon Rugby club home page |
| Ardee & District AC | 1 | 2 | Ardee & District AC home page |
| Harrogate Harriers & AC | 1 | 1 | Harrogate Harriers & AC home page |
| KHOSA AC | 1 | 1 |
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| Holy Trinity Church Wallington | 1 | 1 | Holy Trinity Church Wallington home page |
| Team Phoenix OCR | 1 | 1 |
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| Hamwic Harriers Community Running Group | 1 | 1 |
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| Wakefield Triathlon Club | 1 | 1 | Wakefield Triathlon Club home page |
| Running Forever Running Club | 1 | 1 | Running Forever Running Club home page |
| Orpington Road Runners | 1 | 1 | Orpington Road Runners home page |
| Maidstone Harriers | 1 | 1 | Maidstone Harriers home page |
| Desford Striders | 1 | 1 | Desford Striders home page |
| St Kevins Amateur AC | 1 | 1 | St Kevins Amateur AC home page |
| Stevenage Striders | 1 | 1 | Stevenage Striders home page |
| Run 4 MS | 1 | 1 | Run 4 MS home page |
| Watford Joggers | 1 | 1 | Watford Joggers home page |
| UCL Athletics and Cross Country Club | 1 | 1 |
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| Riverside Runners | 1 | 1 | Riverside Runners home page |
| West Country Triathletes | 1 | 2 | West Country Triathletes home page |
| Sedgley Striders | 1 | 1 | Sedgley Striders home page |
| Epsom Allsorts | 1 | 1 | Epsom Allsorts home page |
| Alton Runners | 1 | 1 | Alton Runners home page |
| Poole AC | 1 | 1 | Poole AC home page |
| Chelmer RoadRunners | 1 | 1 | Chelmer RoadRunners home page |