Centurion North Downs Way 50

Event overview

The North Downs Way 50® is a point-to-point 50 mile (81 km) race along the North Downs Way National Trail from Farnham in Surrey to Knockholt Pound on the outskirts of Greater London. The course has a total climb of 5,600 ft (1,700 m) and is the 15th running of the event. The route reflects the first 50 miles of the NDW100 and is the second race in the 50 Mile Grand Slam. The published field size is 325 starters. The published entry fee is £115 (£117 unaffiliated). Minimum age to enter is 20. Entries for 2026 open 21 June 2025 and close 4 May 2026.

Course, support and rules

Approximately 80% of the route is trail and 20% road. The course follows the North Downs Way and does not deviate from the trail until the final half mile into the finish. The route is marked by national trail signposts, Centurion marker arrows and pink ribbons. There are six fully stocked aid stations and hot food and drinks at the finish. Medical cover includes race medics, static finish medical provision and two race ambulances. Runners must finish within a 13 hour limit; additional cut offs apply at aid stations.

Pacers and crew are not permitted and spectators are not allowed at checkpoints. A finish line bag may be deposited at registration (maximum 50 litres). Mandatory equipment must be carried at all times; examples include a charged mobile phone, minimum 1 litre water capacity, survival blanket, waterproof jacket, whistle, headtorch (minimum 100 lumens), cup and the supplied GPS tracking unit. Awards include a finisher medal and prizes for top finishers and vet categories. Visit the organization's website for the most recent information.