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.
- 10/01/2027 Welsh U14 U16 & U18 Indoor Open Day 2 of 2 @ Cardiff
- 16/01/2027 Welsh U14 U16 & U20 Indoor Championships @ Cardiff Until 17th January
- 06/02/2027 Welsh Senior & U18 Indoor Championships @ Cardiff Until 7th February
- 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
- 04/03/2027 European Indoor Athletics Championships @ Valencia, Spain Until 7th March
- 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
- 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