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.
- 14/06/2025 Welsh U13 U15 & U20 Championships @ Swansea Until 15th June
- 15/06/2025 Barry Island 10km
- 23/06/2025 Afan Nedd Tawe Schools Athletics Association U14 & U16 Girls Cup Match @ Swansea
- 25/06/2025 SSAFA 5km Series 2 of 3 @ Cardiff
- 26/06/2025 Afan Nedd Tawe Schools Athletics Association U14 & U16 Boys Cup Match @ Swansea
- 28/06/2025 Welsh Senior & U17 Championships incorporating the GB&NI Trials for the European U23 Championships @ Cardiff Until 29th June
- 05/07/2025 National Athletics League Senior Men & Women Round 2 of 3 @ Cardiff
- 05/07/2025 Welsh Schools U15 U17 & U20 Championships @ TBC
- 06/07/2025 Porthcawl 10km
- 06/07/2025 U17 & U20 Youth Development League Round 3 of 3 @ Swansea
- 09/07/2025 Welsh Schools U14 & U16 Cup & Plate Finals @ Brecon
- 12/07/2025 Welsh Inter Regional U15 U17 & U20/Senior Championships @ Carmarthen
- 13/07/2025 Ammanford 10km
- 13/07/2025 Mic Morris Torfaen 10km
- 17/07/2025 European U23 Athletics Championships @ Bergen, Norway Until 20th July
- 19/07/2025 London Diamond League
- 19/07/2025 British Schools U17 International England V Wales V Scotland V Ireland @ Derby
- 19/07/2025 National Athletics League Senior Men & Women Round 3 of 3 @ Basingstoke
- 19/07/2025 12km Rabbit Run Multi Terrain Race @ Merthyr Mawr
- 20/07/2025 U13 & U15 Youth Development League Round 3 of 3 @ Swindon