Celtic Trail Races
Saturday, 13 December 2025
Aberdare, Rhondda Cynon Taff, Wales, UK
The Celtic Trail Races on 13 December 2025 is a festive trail running adventure with a 50km Ultra, full Marathon and Half Marathon race.
Starting from the Dare Valley Country Park in Aberdare, the 50km route takes in areas of the Afan Forest and Rhigos mountain range, and finishes along the popular sections of the 'Coed Morgannwg Way'. Run through ancient woodlands, past hidden reservoirs, towering wind turbines and get unrivalled views of the Brecon Beacons National Park.
The Marathon follows circular route, also starting from Dare Valley Country Park. The Half Marathon is a linear route starting from Resolven.
These dramatic, rugged routes follow ancient tracks of Celtic origin, with amazing views across the Brecon Beacons, Black Mountain, South Wales Valleys and South Wales Coast. There are sharp climbs, long fast descents, river crossings and sections of single track.
This is a self-navigation event and all routes are fully marked with a combination of running arrows, flags and marking tape. Maps are provided and there will be a number of manned checkpoints with refreshments provided.
Organiser
Distances/Events
Half Marathon
Marathon
50K
