North Downs 50 Ultra Challenge
Guildford, United Kingdom • 1 Aug 2026
North Downs 50 : event details
The North Downs 50 Ultra Challenge takes place on Sat 1 Aug 2026 with a Guildford basecamp at Loseley Park, Guildford. The event offers loop and point-to-point options and routes that use sections of the North Downs Way across Surrey hills, with views to the south.
Distances
- 50 km - Guildford basecamp loop, ~830 m elevation
- 25 km - Guildford basecamp loop, ~530 m elevation
- 24 km - Guildford to Milton Court (near Dorking), ~600 m elevation
- 10 km - Guildford basecamp loop, ~230 m elevation
Course options, categories and support
Participants may walk, jog, or run. Entry options include a Solo Start, an Ultra March category for walkers aiming to complete 50 km in under 12 hours, and the Ultra Trailblazerz category for faster, competitive runners. Camping is available and adjacent university-style en suite accommodation can be booked for Friday and/or Saturday nights. Transfers, parking and shuttle buses to the nearest train station are provided.
The route is fully signed with pink arrows and glow-sticks at night, and GPS tracking is available via the event app. Rest stops are provided roughly every 12.5 km, with major stops at ~25 km; snack stops every 12.5 km and a meal every 25 km. Medical, podiatry and massage support are available at rest stops. Visit the organization's website for the most recent information.