OTT Marathon

Dol-y-Gaer, United Kingdom • 17 May 2025

The OTT Marathon & 10 Mile Race is an exciting running event set in the stunning Brecon Beacons, starting and finishing at Parkwood Dolygaer in Merthyr Tydfil. The marathon covers approximately 26.2 miles, featuring challenging climbs and breathtaking views, with three checkpoints along the route. Participants must meet specific kit requirements for safety. The 10-mile race offers a shorter alternative, following the marathon route to the first checkpoint before returning via forestry tracks. All finishers receive a commemorative coaster and buff, making this event a must for trail running enthusiasts. Visit the organization's website for the most recent information.

Race information

26 mi
Marathon
10 mi
10 Miles
Visit the organization's website for the most recent information.
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