In case of any competition changes please keep checking back and the links to organisers websites. Only UK Athletics / Welsh Athletics licenced events are listed.
- 07/09/2021 Welsh Athletics Throws Open Meeting 6 @ Aberdare
- 12/09/2021 Great North Run Half Marathon @ Newcastle
- 12/09/2021 Kenilworth Half Marathon
- 12/09/2021 Torbay 10km & Half Marathon
- 18/09/2021 Welsh Athletics U20 & Seniors Open Meeting @ TBC Until 19th September
- 18/09/2021 Dymock 10km & Half Marathon
- 19/09/2021 Swansea Bay 10km
- 19/09/2021 Pumsaint Trail Half Marathon
- 19/09/2021 Bristol 10km & Half Marathon
- 19/09/2021 Swindon Half Marathon
- 21/09/2021 Welsh Athletics Throws Open Meeting 7 @ Aberdare
- 25/09/2021 British Schools U17 International Wales V England V Scotland V Ireland @ Derby
- 25/09/2021 Welsh Athletics U13 U15 & U17 Open Meeting @ TBC Until 26th September
- 26/09/2021 Pembrokeshire Half Marathon & 10km
- 26/09/2021 Corsham 10km
- 03/10/2021 London Marathon
- 03/10/2021 Cardiff Half Marathon
- 10/10/2021 Birmingham 10km & Half Marathon
- 10/10/2021 Bournemouth Half Marathon
- 16/10/2021 Gwent Cross Country League (All Ages) @ TBC