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.
- 22/05/2021 Welsh Athletics U17 U20 & Seniors 100m, 200m, Sprint Hurdles, high & Long Jumps @ Swansea
- 23/05/2021 40 Mile & Marathon Track Races @ Barry
- 23/05/2021 Loughborough International Loughborough Students v ENG v SCO v WAL v NIRL v GBJ v BUCS @ Loughborough
- 23/05/2021 Diamond League @ Gateshead
- 25/05/2021 Welsh Athletics Discus, Shot & Hammer Meeting 1 @ Aberdare
- 26/05/2021 Welsh Athletics U15 to Masters 800m 1500m 5000m & Triple Jump Open Meeting @ Carmarthen
- 26/05/2021 Welsh Masters (35+) Jumps Open Meeting @ Aberdare
- 27/05/2021 Bryggen Invitational @ Manchester
- 29/05/2021 England Senior & U20 Combined Events Championships @ Bedford Until 30th May
- 29/05/2021 British Milers Club Grand Prix @ Sport City, Manchester
- 29/05/2021 British Milers Club @ Millfield
- 29/05/2021 Cheltenham Harriers Open Meeting @ Cheltenham
- 30/05/2021 U17 & U20 Youth Development League @ Aberdare
- 30/05/2021 Devon Open 2 @ Braunton
- 02/06/2021 Welsh Masters (35+) Middle Distance Open Meeting @ Cwmbran
- 05/06/2021 European Cup & British Track 10,000m Championships @ Birmingham University
- 05/06/2021 U13 & U15 Youth Development League @ Swansea
- 06/06/2021 Senior Men & Women National Athletics League @ Yate
- 11/06/2021 Welsh Masters (35+) Sprints Open Meeting @ Swansea
- 12/06/2021 Welsh Athletics U13 U15 & U17 Open Meeting @ Newport Until 13th June