Saturn 7 Hour Time Challenge - Durham

Durham, United Kingdom • 21 May 2026

The Saturn 7 Hour Time Challenge in Durham, part of the Dun Holm Challenge series, is a trail running event held along the scenic River Wear with views of Durham Cathedral. Hosted at the Durham Amateur Rowing Club, the course features a flat, fully signed loop of approximately 4.37 miles (7 km), with options for shorter laps to accommodate younger runners. Participants can run as many laps as they wish within seven hours, with distances ranging from a minimum 3 km to ultra distances over 45 km. The event welcomes all abilities, including walkers, and offers themed medals, distance pins, goody bags (including vegan options), and well-stocked aid stations. Facilities include toilets, changing areas, and parking nearby. Visit the organization's website for the most recent information.

Race information

50 km
50km Distance
26 mi
Marathon (6 Laps)
13 mi
Half Marathon (3 Laps)
7 km
Full Lap 7km (4.37 Miles)
7 Hour Time Challenge (minimum 3km)
Minimum Distance 3km
Ultra (7 or More Laps)
Visit the organization's website for the most recent information.
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