Saturn 7 Hour Time Challenge - Gilesgate

MAY
22
2026
Run with a view of Durham Cathedral in this 7-hour time challenge along the River Wear. Choose your own distance on a scenic trail loop, from a 3km fun run to a full marathon or ultra. Every finisher gets a themed medal and a goody bag.
Fri 22 May 2026
50 kilometers Marathon Half Marathon 7 kilometers

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Event Overview

This event is Day 2 of the Dun Holm Challenge, with "Dun Holm" being the historical name for Durham. Participants can run for up to 7 hours on a course along the River Wear, which offers views of Durham Cathedral.

Course and Distances

The course is a trail run along the river and is fully signed. The standard lap distance is 4.37 miles (7 km), though this is subject to change to a 3.28-mile loop based on conditions. Participants choose how many laps to complete, with a minimum distance of 3 km. There are turn points within the lap for shorter distances.

  • It takes 3 laps to complete a half marathon.
  • 6 laps complete a marathon.
  • 7 or more laps constitute an ultra-marathon.
  • A 50 km distance is also available.

Event Information

The event starts and finishes at the Durham Amateur Rowing Club. An aid station at the start/finish area provides drinks, crisps, cheese, fruit, cookies, and vegan options. Toilets and changing facilities are available on-site. Every participant who completes at least 3 km receives a finisher's medal themed around Durham, featuring the Dun Cow statue. Finishers also receive a goody bag, with a vegan option available. Distance pins for the half marathon, mega-half, marathon, 50km, and ultra distances are awarded. Parking is available via nearby free on-street spaces or city center pay-and-display. Runners may leave a bag in an unsupervised area at the start/finish. Headphones are permitted, and runners are asked to be considerate of other users on the public footpaths.

Participant Requirements

The event has a minimum age of 12. Participants wishing to run over 45 km must be 20 years of age or older; those aged 18-19 are restricted to a maximum of 45 km. Race numbers are collected on the day at registration. Visit the organization's website for the most recent information.

50 km
50km Distance
Marathon
Marathon (6 Laps)
Half Marathon
Half Marathon (3 Laps)
7 km
Full Lap 4.37 Miles (7km)
Minimum Distance 3km
7 Hour Time Challenge (minimum 3km)
Ultra (7 or More Laps)