;
SIAB Schools Cross Country International 2026 (Vaynol Park, Gwynedd)
21 March 26
Welsh Schools Sportshall Athletics Finals 2026 (Cwmbran Sports Centre)
22 March 26
Welsh Athletics Road Relay Championships - Seniors & Masters (Parc Bryn Bach, Tredegar)
28 March 26
Teifi 10 Mile Road Race (Lampeter Rugby Club)
05 April 26
Run With The Wind Sprints Open Meeting (Cardiff International Sports Stadium)
11 April 26
Swansea Harriers Neal Merry Open Jumps Meeting (Swansea University Athletics Track)
12 April 26
UK Youth Development League Midland Premier U18 & U20 - Fixture 1 (Outdoor Sports Complex, Yate)
19 April 26
Amman Valley Sprint Triathlon 2026 - Healthy Life Activities (Amman Valley Leisure Centre)
19 April 26
ABP Newport Marathon, Half Marathon, 10K & Mile (Newport City Centre)
19 April 26
Run With The Wind Sprints Open Meeting (Cardiff International Sports Stadium)
26 April 26
TCS London Marathon & Mini Marathon 2026 (London)
26 April 26
British Universities Track & Field Championships 2026 (Cardiff International Sports Stadium)
02 May 26
Carmarthen Mayor's 5K & Children's Fun Run - Healthy Life Activities (Carmarthen Town Centre)
04 May 26
Llanelli Multi-Sport Festival Weekend - Healthy Life Activities (North Dock, Llanelli)
08 May 26
Llanelli Multi-Sport Festival Weekend - Healthy Life Activities (North Dock, Llanelli)
09 May 26
West Wales Regional Track & Field Championships 2026 (Carmarthen Athletics Track)
10 May 26
Llanelli Multi-Sport Festival Weekend - Healthy Life Activities (North Dock, Llanelli)
10 May 26
British Milers Club Endurance Races & South Wales Throws (Ron Jones Stadium, Aberdare)
12 May 26
Run With The Wind Sprints Open Meeting (Cardiff International Sports Stadium)
13 May 26
Swansea Bay 5K Series - Race 1 (Swansea Bay Seafront)
13 May 26
West Wales Junior Open - U12, U14 & U16 - Fixture 1 (Cwrt Herbert Track, Neath)
16 May 26
UK Youth Development League Midland Premier U18 & U20 - Fixture 2 (Outdoor Sports Complex, Yate)
24 May 26
Run With The Wind Sprints Open Meeting (Cardiff International Sports Stadium)
03 June 26
Welsh Athletics U14, U16 & U20 Track & Field Championships 2026 (Deeside Stadium)
06 June 26
Mizuno Swansea Half Marathon 2026 (Swansea City Centre)
07 June 26
Swansea Bay 5K Series - Race 2 (Swansea Bay Seafront)
10 June 26
Welsh Inter-Regional Track & Field Championships - U14, U16 & U18 (Ron Jones Stadium, Aberdare)
13 June 26
British Milers Club Endurance Races & South Wales Throws (Ron Jones Stadium, Aberdare)
16 June 26
Dyfed Secondary Schools & Colleges Athletics Championships 2026 (Carmarthen Athletics Track)
18 June 26
West Wales Junior Open - U12, U14 & U16 - Fixture 2 (Penlan Arena, Brecon)
20 June 26
Dyfed Secondary Schools U14 & U16 NASUWT Cymru Cup & Plate Final 2026 (Carmarthen Athletics Track)
25 June 26
Welsh Athletics Senior & U18 Track & Field Championships 2026 (Cardiff International Sports Stadium)
27 June 26
Welsh Schools & Colleges Track & Field Championships 2026 (Ron Jones Stadium, Aberdare)
04 July 26
Welsh Schools U14 & U16 NASUWT Cymru Cup & Plate Final 2026 (Penlan Arena, Brecon)
08 July 26
Swansea Bay 5K Series - Race 3 (Swansea Bay Seafront)
08 July 26
UK Youth Development League Midland Premier U18 & U20 - Fixture 3 (Gloucester)
12 July 26
SIAB Schools Track & Field International 2026 (Belfast, Ireland)
18 July 26
British Milers Club Endurance Races & South Wales Throws (Ron Jones Stadium, Aberdare)
21 July 26