North Downs 50 Ultra Challenge
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North Downs 50 Ultra Challenge
The North Downs 50 is a looped trail event based at Loseley Park near Guildford in the Surrey Hills. Routes follow sections of the North Downs Way and surrounding countryside, with varied terrain and notable views across the south.
Distances offered:
- 50 km loop, Loseley Park basecamp, ~830 m elevation
- 25 km loop, Loseley Park basecamp, ~530 m elevation
- 10 mile loop, Loseley Park basecamp, ~280 m elevation
The event includes a 24 km point to Milton Court near Dorking as the first half of the 50 km route, with an optional bus transfer from that finish back to Guildford. Entry categories and options include Solo Start, Ultra March for brisk walkers aiming for a 50 km time target, and Ultra Trailblazerz for faster competitive runners.
Support infrastructure comprises covered rest stops roughly every 12.5 km, with larger stops at about 25 km and 50 km. Snack stations appear every 12.5 km and meal stops every 25 km; hot drinks, water and energy drinks are provided and dietary requirements are catered for. Medical, podiatry and massage teams operate at rest stops and on the route. The course is fully signed using route markers and GPS route maps in the event app, and participants are scanned at rest stops for timing and tracking.
Basecamp services include camping options, parking at Loseley Park, and shuttle transfers to and from Guildford train station. Visit the organization's website for the most recent information.
