| Sport | Race | Date | Number of results |
|---|---|---|---|
| Track & Field | Rosenheim League (Open Meet Format) | Wed, August 18, 2021 | 4 |
| Track & Field | BMAF T&F Championships | Sat, August 21, 2021 | 2 |
| Track & Field | London Inter Club Challenge | Sat, August 21, 2021 | 1 |
| Trail & Fell Running | Shere 42k | Sat, August 21, 2021 | 1 |
| Track & Field | BMAF T&F Championships | Sun, August 22, 2021 | 2 |
| Road running | Summer League 10k | Sun, August 22, 2021 | 31 |
| Road running | The Big Half | Sun, August 22, 2021 | 29 |
| Road running | Thorpe and Egham Half Marathon | Sun, August 22, 2021 | 1 |
| Trail & Fell Running | Ennerdale Show Race | Wed, August 25, 2021 | 1 |
| Road running | RunThrough Lee Valley Velopark 10mile | Sat, August 28, 2021 | 1 |
| Triathlon | Conquer the Chilterns Triathlon | Sun, August 29, 2021 | 1 |
| Road running | Antrim Coast HM | Sun, August 29, 2021 | 1 |
| Road running | Riga 10k | Sun, August 29, 2021 | 1 |
| Track & Field | Rosenheim League (Open Meet Format) | Wed, September 1, 2021 | 5 |
| Road running | Serpiesphere virtual 5k | Wed, September 1, 2021 | 18 |
| Trail & Fell Running | Forest Five | Sat, September 4, 2021 | 1 |
| Road running | Harvel 5M | Sat, September 4, 2021 | 1 |
| Road running | Southampton Marathon | Sun, September 5, 2021 | 1 |
| Road running | Maidenhead Half Marathon | Sun, September 5, 2021 | 7 |
| Road running | Paddock Wood Half Marathon | Sun, September 5, 2021 | 2 |
| Road running | MK Festival of Running Half Marathon | Sun, September 5, 2021 | 3 |
| Duathlon | London Duathlon Full | Sun, September 5, 2021 | 4 |
| Track & Field | South London Athletics Network Open | Wed, September 8, 2021 | 2 |
| Road running | Palma de Mallorca 10km | Sun, September 12, 2021 | 1 |
| Road running | Richmond Running Festival Half Marathon | Sun, September 12, 2021 | 8 |
| Road running | Great North Run Half Marathon | Sun, September 12, 2021 | 8 |
| Road running | Brighton Marathon | Sun, September 12, 2021 | 2 |
| Road running | Ingatestone 5M | Sun, September 12, 2021 | 1 |
| Track & Field | Veterans AC 10,000m Champs | Wed, September 15, 2021 | 6 |
| Road running | Under the Lights 5k | Thu, September 16, 2021 | 5 |
| Road running | Serpiesphere virtual 5k | Thu, September 16, 2021 | 20 |
| Road running | Pride Run 10k | Sat, September 18, 2021 | 5 |
| Track & Field | Kent Masters Track and Combined Events Championships | Sun, September 19, 2021 | 1 |
| Road running | Hampton Court Palace Half Marathon | Sun, September 19, 2021 | 7 |
| Road running | Stevenage 10k | Sun, September 19, 2021 | 1 |
| Aquathlon | Worthing Aquathlon | Sun, September 19, 2021 | 1 |
| Road running | Chester Half Marathon | Sun, September 19, 2021 | 1 |
| Road running | Windsor Womens 10k | Sat, September 25, 2021 | 1 |
| Road running | RunThrough Lee Valley Park Half Marathon | Sat, September 25, 2021 | 1 |
| Track & Field | Belgrave Harriers Throwing Championships | Sun, September 26, 2021 | 2 |
| Road running | Ealing Half Marathon | Sun, September 26, 2021 | 6 |
| Road running | Hackney Half Marathon (RunThrough) | Sun, September 26, 2021 | 5 |
| Road running | Berlin Marathon | Sun, September 26, 2021 | 11 |
| Road running | Dartford Bridge 10k | Sun, September 26, 2021 | 2 |
| Trail & Fell Running | Triffic Trail 10k | Sun, September 26, 2021 | 4 |
| Road running | London Marathon | Sun, October 3, 2021 | 56 |
| Road running | Dorney Lake Marathon | Sun, October 3, 2021 | 1 |
| Road running | Henley Half Marathon | Sun, October 10, 2021 | 0 |
| Road running | Broad Street Run 10M | Sun, October 10, 2021 | 1 |
| Road running | Greater Manchester Marathon | Sun, October 10, 2021 | 20 |
excludes Sunday League and Last Friday of the Month