Skip to content
iRun42
167 kmTrail🇬🇧 Farnham, United Kingdom

North Downs Way 100

Saturday, 7 August 2027In 9 months · Start 07:00

Official site Hotels & flights

Course recordsMen 15:18:41 · Mark Darbyshire (2019)Women 18:13:58 · Alice Robinson (2025)

A summer 103-miler along the North Downs Way from Farnham through the Surrey Hills, over Box Hill and Reigate Hill and across the Medway to a stadium finish in Ashford, Kent. A Western States qualifier.

The North Downs Way 100 is a trail 167 km ultra in Farnham, United Kingdom, on Saturday, 7 August 2027, starting at 07:00. The point to point course has 3,350 m of elevation gain (mountain), and the start temperature on race day has averaged 16°C in recent years. Entry is first come, first served, and the standard fee is about $295. The cut-off is 30 hours.

Something out of date? Suggest a correction · Organizer of this race? · Send photos

Facts checked 31 Oct 2026 against centurionrunning.com.

Elevation gain
3,350 m
Mountain · ↓ 3,375 m
Highest point
267 m
above sea level
Temp at start
16°C
Peaks around 21°C
Entry fee
≈ $295
Open entry
Finishers
—
typical year
Course
Point to point
30h cut-off
Getting thereFly into LHR (London), about 37 km from the start

Plan your trip to Farnham

Race weekends book up early. Searches are set for the race dates.

North Downs Way 100 course map

A detailed route is not available for this race yet. The marker shows the race location.

North Downs Way 100 elevation profile

Mountain: about 3,350 m of climbing and 3,375 m of descent. A detailed profile isn’t available for this race yet.

North Downs Way 100 race-day weather

At start
16°C
Peak during race
21°C
Humidity
68%
Chance of rain
16%
Wind
15 km/h

7 August in past years

Historical averages for 7 August ±3 days, 2016–2025, from 07:00 for 5 hours (70 days sampled). Source: Open-Meteo / ERA5.

North Downs Way 100 finish times by age group

No data yet. We’re collecting age-group results race by race.

Course records

Men
15:18:41 · Mark Darbyshire (2019)
Women
18:13:58 · Alice Robinson (2025)

As of the 2025 season.

Runner reviews

What time could you run here?Adjust your goal time for this course’s hills and typical race-day weather.Race time calculator →

North Downs Way 100: questions and answers

When is the North Downs Way 100 2027?
The North Downs Way 100 is on Saturday, 7 August 2027, with the start at 07:00 local time.
How hilly is the North Downs Way 100?
The course has 3,350 m of climbing and 3,375 m of descent, with a high point of 267 m above sea level. We rate it mountain. It is a point to point course on trail.
What is the weather usually like at the North Downs Way 100?
Around the race date in 2016–2025, the temperature at the 07:00 start averaged 16°C, rising to about 21°C during the race, with 68% humidity. It rained on about 16% of those days.
How do you get a place in the North Downs Way 100?
Entry is first come, first served. The standard entry fee is about $295. Check the official site for the current registration dates.
What is the cut-off time for the North Downs Way 100?
Runners have 30 hours to finish.

Guides for this race

Share this race

Organizing this race? Add it to your website

Show your runners the course facts and race-day weather. Paste this code into your site; it displays the badge below and links to this page. It updates automatically when the race details change.

Around the same time

All races in August 2027 →