North Downs 50 Ultra Challenge
Guildford, United Kingdom • 1 Aug 2026
North Downs 50 Ultra Challenge
The North Downs 50 takes place on Saturday 1 August 2026 from a Guildford basecamp at Loseley Park. It uses looped trail routes on the North Downs Way and surrounding Surrey hills with varied countryside and views to the south. Entrants may walk, jog, or run as individuals or in teams.
Support on the route includes covered rest stops roughly every 12.5 km with major stops at about 25 km and 50 km. Participants receive regular snacks, meals at about every 25 km, hot drinks, water and energy drinks. Medical staff, paramedics, podiatrists and massage therapists are available at rest stops and along the route. The course is fully signed with marker arrows and an event app provides Google route maps and GPS tracking. Timing scans at rest stops log progress and a finish-line package includes a medal, a finisher t shirt, a glass of fizz and a finishers meal.
There are category and logistics options for different needs, including a Solo Challenger start time, an Ultra March category for walkers aiming for target times, a new Ultra Trailblazerz category for faster runners, camping and adjacent university style en suite accommodation as bookable extras, plus shuttle buses and parking. Visit the organization's website for the most recent information.
- 50 km loop from Guildford basecamp, ~830 m elevation
- 25 km loop from Guildford basecamp, ~530 m elevation
- 24 km first half route to Milton Court near Dorking, ~600 m elevation
- 10 km loop from Guildford basecamp, ~230 m elevation