
About the event
Starting and finishing at Dare Valley Country Park, the Celtic Trail Marathon covers 26 miles through the Afan Forest, incorporating sections of the Coed Morgannwg Way. Participants will encounter a mix of wide forest tracks, sharp climbs, and long descents, with a total elevation gain of 4,200 feet. The route offers panoramic views of the Brecon Beacons and South Wales Valleys, passing through ancient woodlands and moorlands. Organized by Run Walk Crawl, this marathon on December 13, 2025, provides a challenging yet rewarding experience for trail runners.
Date:
Sat
Dec 13
2025
Location:
Distance:
Elevation profile:
Hilly
Website:
LinkElevation gain:
Number of participants:
Find the best training plan for your goals and the distance you’re planning to run:
Stories from Runnas
The Celtic Trail Marathon is a 26-mile circular race that starts and ends at Dare Valley Country Park, winding through the Afan Forest and along the Coed Morgannwg Way. Featuring 4,200 feet of elevation gain, this marathon on December 13, 2025, challenges runners with its diverse terrain and scenic vistas.
If you are an official race organiser with any questions about this page, please get in touch: races@runna.com
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