Trail Running calendar near Henley-on-Thames 2026-2027

The Bitton Road Runners Race - Warmley will take place in Warmley on Saturday 8 August 2026. You can run 5 kilometers.

Riverside races from Barnes along the Thames Path offering 10 km, half marathon and marathon courses with marked routes and checkpoint support.

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.

Charity trail run in Cold Norton on 9 Aug 2026 offering 10 km and half marathon routes on grass and tracks, with proceeds to Farleigh Hospice.

Race one of the AWT Backyard Ultra Series in Ruislip on 9 August 2026 uses six hourly 5 km laps for a total of 30 km. Entry is free and the event is held in person with free parking.

An informal, untimed 6-mile group run around Croome Park with a lake-and-bridge route, multi-terrain surface, post-run cake and tea, and proceeds donated to the National Trust.

A mainly trail 5k along the Jurassic Coast from Peveril Point via Durlston Country Park to Anvil Point Lighthouse and back into Swanage. The race is part of Swanage Lifeboat Week and the Purbeck Trail Series.

A measured off road 5K at Westley Heights Country Park, Race 4 of the seven-event Crown to Crown 2026 series hosted by Pitsea Running Club.

Beat The Tide 10k runs along Worthing and Lancing beaches with an aid station at 5 km, canicross welcome and on-site drinks and pizza at Perch on the Parade.

A four-race summer series at Dinton Pastures offering 5 km, 10 km and a 2 km kids event. Off-road, traffic free course with chip timing, medals, marshals and on-site support.

Midweek Chasing Numbers at The Last Hop in Staines is a flexible seven hour time challenge along the River Thames with distances from 3 km up to 50 km and ultra options.

A 7 hour timed running event on a looped course along the River Thames in Egham. Distances range from 3 km up to 50 km with aid stations, goody bags and distance pins available.

Two trail ultramarathon options follow the Harborough Round around Market Harborough, with GPX files, multiple aid stations, TRA licensing and a comprehensive mandatory kit list for runners.

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 through the Chiltern Hills finishing with a brewery tour and tasting at Tring Brewery, including a drink and on‑site pizza options.

Special-edition Rat Race obstacle event at Forest Facility near Stamford, featuring a 4 mile loop with about 60 obstacles, family and teen options, and additional on-site activities. Proceeds support Project Jungle rainforest conservation.

City centre races that run through Bath's two long, lit railway tunnels, offering distances from Colourburst to 50 km with feed stations and UK Athletics affiliation.

Obstacle course races at Badminton Estate on 16 August 2026, with Sprint 5 km, Super 10 km, Beast 21 km plus a kids race and spectator options.

Off road half marathon in Henfield on 16 August 2026 with riverside and disused railway sections, flint paths and stiles; facilities include changing rooms and free parking.