Course
A ten-hour timed challenge on a 2.7-mile lap at Mynydd Troed in the Black Mountains, run as many times as possible before the final bell. Each lap climbs about 1,000ft on a steep ascent past false summits to the trig point, then a technical descent and open common. Fully marked, with clip stations at the trig point and the mountain base, and laps may be run in either direction after the first.
Key dates
- !RegistrationOpen now
- ★Race daySat 10 Jul 2027
About
The Tenacious Ten Hour Endurance Challenge is a test of endurance and determination in the Black Mountains of Wales. Participants run as many laps of a strenuous and technical 2.6 mile loop as they can in 10 hours, on a challenging course that takes on Mynydd Troed.
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