OTT Ultra Marathon

Merthyr Tydfil, United Kingdom • 1 Nov 2025

The OTT Ultra Marathon is a challenging 30-mile trail race set in the stunning Brecon Beacons, known for its scenic and technical trails. The course begins at Cyfartha Castle and follows the Taff Trail, leading participants alongside the River Taff and up to the summit of Pen y Fan, the highest peak in South Wales. Runners will encounter five checkpoints along the route, providing essential hydration and nutrition. This event caters to both novice and experienced ultra runners, making it an excellent opportunity for those looking to test their limits in a breathtaking natural setting. Visit the organization's website for the most recent information.

Race information

30 mi
1143 m+
30 Miles
Visit the organization's website for the most recent information.
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