North Downs 50 Ultra Challenge
Guildford, United Kingdom • 12 Jul 2025
The North Downs 50 Ultra Challenge is a premier endurance event set in the scenic Surrey Hills, featuring a 50 km loop starting and finishing at Guildford Basecamp. Participants can choose from various distances, including 25 km and 10 km options, making it accessible for all experience levels. The event promises a supportive atmosphere with fully marked routes, rest stops every 12.5 km, and provisions for food and hydration. Additionally, participants can opt for accommodation and enjoy a celebratory finish with medals and refreshments. This challenge is part of the UK's largest series of treks and trail runs, encouraging camaraderie and personal achievement. Visit the organization's website for the most recent information.