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.
- 05/12/2026 John Collins Cross Country League Round 3 of 5 @ Blaise Castle Bristol
- 13/12/2026 Festive 10km @ Cardiff
- 13/12/2026 European Cross Country Championships @ Beograd, Serbia
- 13/12/2026 Festive 10km @ Cardiff
- 17/12/2026 Severn Bridge 5 Mile Night Race 4 of 4 @ Chepstow
- 31/12/2026 Nos Galan 5km @ Mountain Ash
- 10/01/2027 West Glamorgan Cross Country League Round 4 of 5 @ Margam Park
- 27/01/2027 Afan Nedd Tawe Schools U14 to U20 Cross Country Championships @ Margam Park
- 07/02/2027 West Glamorgan Cross Country League Round 5 of 5 @ Kenfig Nature Reserve
- 13/02/2027 John Collins Cross Country League Round 4 of 5 @ TBC
- 17/02/2027 Welsh Schools Cross Country Championships @ Brecon
- 27/02/2027 Welsh Clubs Cross Country Championships @ Pembrey
- 28/02/2027 Swansea 10 & 5 Mile Races
- 06/03/2027 John Collins Cross Country League Round 5 of 5 @ TBC
- 20/03/2027 Schools International Athletics Board (SIAB) Welsh V Scottish V Irish V English U16 & U18 Schools Cross Country @ Leeds Grammar School
- 21/03/2027 Swansea Half Marathon
- 03/04/2027 Welsh Seniors & Masters Road Relay Championships @ Builth Wells
- 18/04/2027 Newport 10km & Half Marathon & Marathon
- 18/04/2027 Wales V England Masters Marathon @ Manchester
- 25/04/2027 London Marathon