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.
- 07/12/2025 Aberystwyth 10km
- 31/12/2025 Nos Galan 5km @ Mountain Ash
- 10/01/2026 46th World Cross Country Championships @ Tallahassee, Florida, USA
- 18/01/2026 West Glamorgan Cross Country League Round 3 of 5 @ Margam Park
- 24/01/2026 Welsh Clubs Cross Country Championships @ TBC
- 28/01/2026 Afan Nedd Tawe Secondary Schools & Colleges Cross Country Championships @ Margam Park
- 01/02/2026 West Glamorgan Cross Country League Round 4 of 5 @ Kenfig Nature Reserve
- 07/02/2026 John Collins Cross Country League U11 to Masters 4 of 5 @ Chepstow Race Course
- 25/02/2026 Welsh Secondary Schools & Colleges Cross Country Championships @ Brecon
- 28/02/2026 John Collins Cross Country League U11 to Masters 5 of 5 @ Parc Bryn Bach, Tredegar
- 07/03/2026 Rhayader Round the Lakes 10km & 30km
- 08/03/2026 Llanelli 10km, Half Marathon & Full Marathon
- 14/03/2026 Nant Yr Arian Silver Trail Races 10km & Half Marathon
- 15/03/2026 West Glamorgan Cross Country League Round 5 of 5 @ Gnoll Country Park
- 21/03/2026 SIAB British Schools U15 & U17 Cross Country International @ Vaynol Park, Pentir, Gwynedd
- 22/03/2026 Merthyr Half Marathon
- 28/03/2026 Welsh Seniors 4 Stage & Masters 3 Stage Road Relay Championships @ Parc Bryn Bach
- 19/04/2026 Newport 10km Half Marathon & Marathon
- 26/04/2026 London Marathon
- 10/05/2026 Caerphilly 10km