The Devil Half Marathon

Blaydon, United Kingdom • 9 Aug 2025

The Devil Half Marathon is a challenging 13.1-mile race held in the Land of Oak & Iron, Blaydon, Great Britain. Known as Derwent Valley’s hardest half marathon, it features a demanding 1666ft elevation gain through rugged, hidden trails. Runners face the tough Clockburn Lonnen climb within the first mile and navigate unforgiving terrain throughout the course.

The event offers on-course photography, post-run refreshments, music, and a finisher’s T-shirt. Cash prizes are awarded to the top male and female finishers. The race provides a tough but rewarding experience for those daring enough to take on the Devil. Visit the organization's website for the most recent information.

Race information

13 mi
1666 m+
The Devil Hm
Visit the organization's website for the most recent information.
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