The fixture list is always provisional. In case of any competition date or venue changes please keep checking back and the links to organisers websites. Only UK Athletics / Welsh Athletics licenced events are listed.
- 06/03/2027 Rhayader Round The Lakes 10km & 30km
- 13/03/2027 British Cross Challenge 3 of 3 @ Nottingham incorporating the UK Inter-Counties Cross Country Championships
- 13/03/2027 West Wales Indoor Athletics Championships @ Swansea Until 14th March
- 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
- 04/04/2027 Trawsfynydd Multi Terrain 8 Miler
- 18/04/2027 Newport 10km & Half Marathon & Marathon
- 18/04/2027 Wales V England Masters Marathon @ Manchester
- 25/04/2027 London Marathon
- 02/05/2027 Cardiff 5K Race For Victory
- 05/05/2027 Afan Nedd Tawe U14 U16 U18 & U20 Schools Championships @ Swansea
- 09/05/2027 Caerphilly 10km
- 16/05/2027 Barry 10km
- 23/05/2027 Llanelli Half Marathon & 10km
- 21/06/2027 Afan Nedd Tawe U14 & U16 Girls Schools Cup Match @ Swansea
- 23/06/2027 Afan Nedd Tawe U14 & U16 Boys Schools Cup Match @ Swansea
- 27/06/2027 Porthcawl 10km
- 15/07/2027 European U20 Championships @ Bydgoszcz, Poland Until 18th July
- 17/07/2027 Rabbit Run Multi Terrain 12km, Half Marathon or Marathon @ Merthyr Mawr