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.
Trail runs nearby

The Saturn 7 Hour Time Challenge in Durham is a flexible running event held at the Durham Amateur Rowing Club along the scenic River Wear, offering views of Durham Cathedral. Participants can run as many laps as they wish within a 7-hour limit, with each lap measuring approximately 4.37 miles (7 km)..

The Trail Outlaws Urban Trail Series, held at Biddick Academy in the UK, offers runners of all abilities the opportunity to enjoy or compete on local trails. The series features fully marked and marshalled courses, ensuring a safe and enjoyable experience. Distances range from 5K to half marathon, c..

The Wild Deer Running Session at Watergate Forest Park in Gateshead offers an interval-based trail run suitable for all abilities. The approximately 75-minute session covers 5 to 7 miles, featuring interval training and some hills, providing a challenging yet inclusive experience. The event is free..

The Hopper 12 hr Looped Trail Race takes place at Hamsterley Forest, County Durham, on June 21, 2025. Runners complete as many 4.2-mile loops as possible within 12 hours, each loop featuring approximately 650 feet of elevation gain. The event is designed to help participants practice pacing for Back..

The Chopwell Woods "Burger & Beer" Trail Runs, hosted by Wild Deer Events, take place annually at Chopwell Woods, a scenic 360-hectare mixed woodland near Rowlands Gill on the edge of Gateshead. Participants can choose from 5, 10, or 15-mile trail distances, with a 5-mile lap route available. The ev..

The Saturn 7 Hour Time Challenge in Durham is a trail running event held at the Durham Amateur Rowing Club along the scenic River Wear, offering views of the Cathedral. Participants have up to seven hours to run as many laps as they wish on a 4.37-mile (7km) or possibly a 3.28-mile course, with a mi..