Dormouse Challenge
Friday, 21 November 2025
Salcey Forest, Northampton, UK
The Dormouse Challenge on 21 November 2025 at Salcey Forest near Northampton is a 6 hour running race on a 3.5 mile off-road loop.
You decide how many laps you're going to do on the day within the 6-hour time limit. If you're looking to cover a marathon distance you'll need to complete 7 laps (+ a little out and back) and a half marathon will be 3 laps (+ an out and back).
The course is along well maintained pathways of mainly crushed stone or very well trodden open forest floor. It is 90% trail.
This event includes a Canicross category - refer to event website for associated rules.
As well as this event, there is an afterwork night time event on the same day - The Night Trails 10K Salcey Forest.
Organiser
Distances/Events
3.5 mile laps - 6 Hour time limit