Saturday, December 12, 2026
Distance
Climb
Terrain
Difficulty
Now in its 7th year, the Celtic Trail Races offer three unforgettable winter challenges: a 50K ultra, a full marathon, and a classic linear half marathon. All courses are fully marked and weave through the wild beauty of Afan Forest and the Rhigos mountain range, finishing at Dare Valley Country Park.
Sharp climbs and long flowing descents
River crossings and remote-feeling single track
Hidden reservoirs and ancient woodland tracks
Soaring wind turbines and views across Brecon Beacons
Dramatic descent into Dare Valley Country Park
Start / Finish
Dare Valley Country Park (Ultra and Marathon); Resolven (Half Marathon)
Dare Valley Country Park
Terrain
Route
What you get
Finisher medal
Chip timing
Race photos
Free race photographs
GPS tracking for Marathon and Ultra
Electronic timing and safety tracking for Half Marathon
Checkpoints with refreshments
Marked route and land permits
GPS file, marked route and map
On the day
Toilets
Marshals on course
First aid on course
Before you enter
Other questions
Ultra: ~5850ft (1783m), Marathon: ~4200ft (1280m), Half Marathon: ~2200ft (671m).
Checkpoints with refreshments are provided along the course, but you may also carry your own hydration.
Aberdare, United Kingdom
Saturday, December 12, 2026
More races like this one
€48
entry fee
