North Downs Way 100

AUG
7
2027
A 103 mile continuous trail race along the North Downs Way from Farnham to Ashford with 11,000 ft of climb, a 30 hour cut off and a 50 mile qualifying standard.
Sat 7 Aug 2027
103 miles

Always double-check with the organizer's website! This page may contain affiliate links.

North Downs Way 100

The North Downs Way 100 is a 100 mile continuous trail race following the National Trail from Farnham in the Surrey Hills to Ashford in Kent. The published route covers 103 miles (167 km) with approximately 11,000 ft (3,350 m) of climb and a 30 hour finishing cut off. The course is made up of roughly 80% trail and 20% road and is marked by National Trail posts plus event tape, arrows and paint at major junctions.

The route passes Puttenham, Guildford, Ranmore Common, Box Hill, Reigate Hill, Oxted, Knockholt Pound (50 mile point), Wrotham, Detling, Hollingbourne, Harrietsham and Charing before finishing at the Julie Rose Stadium in Ashford. Race headquarters is at Farnham Leisure Centre. The event is held under a UK Athletics permit.

Entries open at 19:00 on 6 September 2026 and remain available until 30 July 2027 or until places are filled. Entry fee information and a qualification requirement are published: runners must have completed at least a 50 mile race within 15 hours between 1 January 2021 and race day to be eligible to start. A field of 250 starters is indicated.

There are a minimum of 12 fully stocked aid stations with hot drinks and selected hot food at specific stations, designated drop bag points, permitted pacers from Mile 54.5, one crew vehicle rule, race medics and mandatory kit checks with penalties for missing items. Visit the organization's website for the most recent information.

103 mi
100 Mile

Events nearby

Seven hour Time Challenge along the River Thames in Staines offering lap based distances from 3km to ultra, with medals, pins, aid stations and goody bags.
Trail event at the Cricket Green offering 1k, 5k and 10k distances with chip timing, medals, onsite music and food, raising funds for local charities.
A 7 hour Time Challenge on a signed riverside loop in Staines offering flexible distances from 3 km up to 50 km, with medals, distance pins, aid stations and goody bags.
Guided 30 mile trail run on the North Downs Way around Guildford, recommended for first time ultra runners with coach support and on route refreshments.
Add Event
Help us complete the calendar!
  • Distance is at least 5 km
  • Event has a website or Facebook page
Website
Optional: Please provide your e-mail address if we may contact you.
Report a change
We will only update the data if the information is also on the website.