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.
- 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
- 01/03/2026 Newport Half Marathon
- 01/03/2026 40th Barry 40 Mile & Marathon Track Race
- 07/03/2026 Rhayader Round the Lakes 10km & 30km
- 07/03/2026 UK Athletics Cross Challenge Round 4 of 4 @ Wollaton Park, Nottingham
- 07/03/2026 England Athletics Indoor U15 & U17 Age Group Combined Events & Junior Para Championships @ Sheffield Until 8th March
- 07/03/2026 British Masters Winter Throws Championships @ Oxford Until 8th March
- 08/03/2026 Llanelli 10km, Half Marathon & Full Marathon
- 08/03/2026 Cardiff 10 & 20 Mile Road Races
- 14/03/2026 Nant Yr Arian Silver Trail Races 10km & Half Marathon
- 15/03/2026 West Glamorgan Cross Country League Round 5 of 5 @ Tairgwaith
- 20/03/2026 World Indoor Athletics Championships @ Kujawy Pomorze, Poland Until 22nd March
- 21/03/2026 SIAB British Schools U15 & U17 Cross Country International @ Vaynol Park, Pentir, Gwynedd
- 21/03/2026 Spring Equinox 6 Mile Trail Run @ Wentwood Forest, Nr Newport
- 22/03/2026 Merthyr Half Marathon SOLD OUT
- 22/03/2026 Welsh U14 & U16 SportsHall Athletics Final @ Cwmbran Leisure Centre
- 27/03/2026 European Masters Indoor Championships @ Torun, Poland Until 2nd April
- 28/03/2026 Welsh Seniors 4 Stage & Masters 3 Stage Road Relay Championships @ Parc Bryn Bach incorporating the trials for the London Mini Marathon U14, U16 & U18
- 29/03/2026 San Domenico 10 & 20 Mile Road Races @ Merthyr Tydfil