Cardiff Marathons Events

Castle 2 Castle 2026

Caerphilly to Cardiff 20 Sep 2026

Run Cardiff Half for The Little Princess Trust 2026

Cardiff Castle 4 Oct 2026

Radyr Trail Races 2026 - Half Marathon & Marathon

Cardiff Harlequins Rugby Club 9 May 2026

Trelai Park parkrun / parkwalk

Trelai Park 25 Apr 2026

NOT The London Marathon

Norwegian Church Arts Centre 26 Apr 2026

South Campus Run Club ¦ Clwb Rhediad Campws Y De

Cardiff University Centre for Student Life 25 Oct 2025