;
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
West Wales Junior Development Open - U12, U14 & U16 - Fixture 3 (Carmarthen Athletics Track)
08 August 26
Caerphilly 5K Road Festival of Running (Caerphilly)
09 August 26
British Milers Club Endurance Races & South Wales Throws (Ron Jones Stadium, Aberdare)
11 August 26
Actif Tywi Valley Path Half Marathon (Ysgol Bro Dinefwr, Ffairfach)
16 August 26
TROTS St Clears 10K (St Clears Leisure Centre)
23 August 26
Cardiff 10K & 2K 2026 (Cardiff City Centre)
06 September 26
Welsh Athletics Road Relay Championships 2026 - Juniors (Pembrey Country Park)
12 September 26
Welsh Athletics & Welsh Schools U14, U16 & U18 Combined Events Championships (Carmarthen Athletics Track)
19 September 26
Admiral Swansea Bay 1K, 3K & 10K 2026 (Swansea Bay)
20 September 26
Cardiff Half Junior Races (Cardiff City Centre)
03 October 26
Cardiff Half Marathon 2026 (Cardiff City Centre)
04 October 26
John H Collins Gwent Cross Country League 2026-2027 - Fixture 1 (Pembrey Country Park, Llanelli)
10 October 26
Welsh Inter-Schools & Colleges Cross Country Championships 2026 (Penlan Arena, Brecon)
21 October 26
John H Collins Gwent Cross Country League 2026-2027 - Fixture 2 (Llandaf Fields, Cardiff)
07 November 26
British Athletics Cross Challenge Series 2026-2027 - Fixture 1 (Llandaf Fields, Cardiff)
07 November 26
Welsh Inter-Regional Cross Country Championships 2026 (Dolerw Park, Newtown)
21 November 26