Trail Running calendar near Watford 2026-2027

We have found 572 Trailruns within 80 miles of Watford. See below where and when you can find the races.

A summer 10k through country lanes around Mount Ephraim Gardens in Kent, with a separate junior run and downloadable route maps. The event raises funds for Oasis Domestic Abuse Services and includes a bespoke medal and garden entry.

Choose any number of laps on a scenic 5.3 km loop at Denbies Wine Estate to make distances from 5 km up to ultra. Timed event with a flexible 1.5 hour start window and support on a hilly off road course.

A riverside race series from Barnes along the Thames Path offering 10 km, half marathon and marathon distances. Flat out and back courses are marked and marshalled with staffed checkpoints and professional medical cover.

Mixed terrain 10k and half marathon around Wye with valley views and the historic chalk crown, based at Wye Village Hall with a small event village, toilets and refreshments.

Four hour team relay at Minley Manor, Hampshire where teams of four run repeated 4 km off road laps through woods and grassland. Male, female and mixed categories have prizes for the top three teams in each.

The Stopsley Trail Race on Sunday 9 August 2026 offers 5K, 5 miles and 10 miles on scenic undulating trails along the Bedfordshire and Hertfordshire border. Entries include chip timing, bespoke medals, free photos and participant goodies.

A summer charity trail in Cold Norton on 9 August 2026 offering 10 km and half marathon routes across grass, tracks and paths. Proceeds support Farleigh Hospice and entries close 31 July 2026.

A seven hour timed event on a signed loop along the River Thames in Egham. Participants choose their distance and receive medals, goody bags and aid stations on course.

A 50k and 100k trail event around Market Harborough on 15 August 2026, following long-distance footpaths with marked routes, aid stations and mandatory kit requirements. Free guided recces, pre-order merchandise and an event medal for all f..

This timed event on August 15, 2026, offers a flexible, multi-lap format on a smooth riverside course in Winchester. Runners can choose their start time and distance, from a single lap to an ultra marathon, within a 7-hour window. All finis..

A guided 10 km trail run in the Chiltern Hills on 15 August 2026, finishing with a Tring Brewery tour, tasting and a pint or soft drink in the brewery beer garden. Spaces are limited to 50 and a ticket price of £35 is shown.

Dirty Day is a Rat Race special-edition obstacle event at Forest Facility near Stamford, featuring a 4 mile loop with about 60 obstacles, family and extended lap options, extra adventure activities, and proceeds supporting rainforest conser..

Trail event on 16 August 2026 offering a competitive 15 mile run and a timed 15 km social hike. Over 18s only; starters receive a vest or T shirt and finishers get a medal and a free drink.

An off road Half Marathon along a riverbank and disused railway, starting and finishing at Henfield Leisure Centre. Facilities include changing rooms, showers and free parking, and medals are given to all finishers.

A 10 km trail run at Ramsbury Brewery on August 16, 2026, mostly off road through trails and woodland. Canicross friendly, entries include a medal, a pint cup and a free drink.

A timed, flexible run along a 3.28 mile out and back route beside the Stroud Waterways canal. Runners choose distances from 5 km up to ultra and may complete as many laps as they wish within a seven hour limit.

A *10 km* trail run on 21 Aug 2026 with a predominantly anti-clockwise course, mailed race details, limited parking and an included event T-shirt. Finishers can claim coffee and cake and official results are posted within 48 hours.

Seven hour timed challenge on a signed Thames-side course at Wraysbury Skiff & Punting Club with flexible starts, medals for 3 km finishers, goody bags including a vegan option, distance pins and on-course aid stations.

Trail races at Wendover Woods feature a half marathon, 10k, 5k and junior race across steep woodland with 181 m of climb. Entries include a themed medal, free photos, chip timing and post race goodies.

A 52 mile route across the South Downs National Park with 7,000 ft of ascent and a 23 hour time limit. Starts and finishes at Plumpton College and visits multiple villages with seven staffed checkpoints offering food and drink.

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.