North Downs Way 100
Always double-check with the organizer's website! This page may contain affiliate links.
North Downs Way 100 (103 miles)
The North Downs Way 100 is a 103 mile (167 km) continuous trail race along the North Downs Way from Farnham in the Surrey Hills to the Julie Rose Stadium in Ashford, Kent. The event on 7 Aug 2027 records a total climb of 11,000 ft (3,350 m) and a 30 hour finish limit. The course is approximately 80% trail and 20% road and includes 12 fully stocked aid stations and race medical support.
The route follows the National Trail posts and passes Puttenham, Guildford, Ranmore Common, Box Hill, Reigate Hill, Merstham, Oxted, Knockholt Pound (the 50 mile point), Wrotham, Holly Hill, the Medway crossing, Detling, Hollingbourne, Harrietsham and Charing before finishing in Ashford. The course has two small deviations from the footpath for the 50 mile aid station and the finish location. Marking includes permanent trail markers plus reflective tape, marker arrows and paint at key junctions; runners remain responsible for navigation and for negotiating unmarked road crossings.
Entries open 6 Sep 2026 and close 30 Jul 2027 or when places are filled. Entry fees are £225 for UKA affiliated runners and £227 for unaffiliated; the field is limited to 250 starters. Qualification requires a completed 50 mile race within 15 hours between 1 Jan 2021 and race day. The race is a Western States qualifier and held under a UK Athletics permit.
Mandatory kit must be carried at all times and includes a fully charged mobile phone with race medic and director numbers, a minimum 1 litre water capacity, a 1.4m x 2m survival blanket, a waterproof jacket with sealed seams and 10000mm+ rating, a whistle, primary and backup lights of at least 100 lumens each, a long sleeved base layer or fleece kept dry, and a cup. Drop bag and pacer, crew and award rules apply as listed in the event information. Visit the organization's website for the most recent information.