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.
- 18/04/2026 Bristol “Track” Club 5km & 3km Road races
- 19/04/2026 Newport 10km Half Marathon & Marathon
- 19/04/2026 Trawsfynydd Multi Terrain 8 Miler
- 26/04/2026 London Marathon
- 03/05/2026 The British Inter-Counties Senior Mountain Race and Junior Hill & Fell Championships @ Sedbergh Cumbria
- 10/05/2026 Caerphilly 10km
- 13/05/2026 Swansea Bay 5km Series Race 1 of 3
- 17/05/2026 Barry Island 10km
- 17/05/2026 Sirhowy Loop 6.66 mile multi terrain race @ Caerphilly
- 17/05/2026 Sirhowy Challenge 10-mile multi-terrain race with 1500ft climb to Machen Trig Point @ Caerphilly
- 20/05/2026 SSAFA Cardiff 5K Road Race Series 1 of 3
- 24/05/2026 Treforest 10km
- 31/05/2026 Rack Raid 13 Stage Road Relay Grosmont Castle to Castell-y-bwch
- 31/05/2026 Dambuster Multi Terrain Run (approx 9K)- Llys Y Fran Reservoir
- 03/06/2026 SSAFA Cardiff 5K Road Race Series 2 of 3
- 06/06/2026 Welsh Castles 209 mile 20 Stage Relay @ Caernarfon to Cardiff Until 7th June
- 07/06/2026 Swansea Half Marathon
- 10/06/2026 Swansea Bay 5km Series Race 2 of 3
- 14/06/2026 Llangunnor 5km @ Carmarthen
- 21/06/2026 Lake Vyrnwy 10k Trail