Centurion North Downs Way 50

North Downs Way 50® : event overview

The North Downs Way 50® is a point-to-point 50 mile (approximately 81 km) trail race on 16 May 2026. The route follows the North Downs Way National Trail from Farnham in Surrey to Knockholt Pound on the outskirts of Greater London. The course covers about 5,600 ft (1,700 m) of climb and is listed as 20% road and 80% trail. The event is held under a UK Athletics permit and is the second race in the 50 Mile Grand Slam.

Course, logistics and rules

The route stays on the North Downs Way until the final half mile into the finish. Notable sections include Puttenham, Guildford, Ranmore Common, the climb to Box Hill, Colley Hill, Merstham and Oxted. The course is waymarked with North Downs Way signposts, Centurion marker arrows and pink ribbons, but runners are responsible for safe navigation and must negotiate several road crossings themselves.

There are 6 fully stocked aid stations with options for vegetarian, vegan and gluten-free diets, and hot food and drinks at the finish. Medical cover is provided, including static medical at the finish and race ambulances. Pacers and crews are not permitted and spectators are asked not to access check points. Mandatory kit must be carried at all times, including a charged mobile phone, at least 1 litre water capacity, survival blanket, waterproof jacket, whistle, headtorch, cup and a GPS tracking unit; missing items may incur a one hour time penalty. Cut-off for the race is 13 hours and additional cut-offs apply at aid stations. Entries require a prior marathon-distance qualifier within the event time window and a minimum age of 20. Entry fee information and entry dates are published for the 2026 event. Visit the organization's website for the most recent information.