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Tenacious Ten Endurance Challenge

Talgarth, United Kingdom • 9 May 2026

The Tenacious Ten Endurance Challenge is a demanding 10-hour loop race held at Mynydd Troed in the Black Mountains of Wales. Participants tackle a strenuous and technical 3.2-mile (5.1 km) loop featuring a harsh climb to the summit with stunning 360-degree views of the Black Mountains, Brecon Beacons, and Llangorse Lake. The course includes steep, technical downhills and open common trails, with runners choosing their direction after the first clockwise lap. The event welcomes solo runners, pairs, and teams of four, with a strict 10-hour cutoff. Facilities include a refuel zone, medical support, camping, and refreshments catering to all dietary needs. Visit the organization's website for the most recent information.

United Kingdom Wales Talgarth

Race information

Website Registration
3 mi
10 Hour 3.2-Mile Loop Race
Visit the organization's website for the most recent information.
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