North Downs 50 Ultra Challenge

The North Downs 50 Ultra Challenge is a premier endurance event held in the Surrey Hills, starting and finishing at the Guildford basecamp. Participants can walk, jog, or run on looped routes of 50km, 25km, or 10km, featuring scenic trails along the North Downs Way with stunning southern views. The event offers full support including covered rest stops every 12.5km with food, drinks, medical aid, and massage services.

Optional university-style accommodation is available near the basecamp. The challenge is accessible from London and caters to all fitness levels, with GPS tracking, a timing system, and a celebratory finish featuring medals, t-shirts, and a meal. Visit the organization's website for the most recent information.