Trail Running calendar near Buckinghamshire 2026-2027

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.

A guided 16k trail run at High Lodge in Thetford Forest with forest facts and practical trail running tips. Runs are led at a conversational pace and groups are matched by ability to help participants enjoy the woodland routes.

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 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.

Multi-distance running event in Bath with long lit tunnels, races from 500 m to 50 km and a start and finish at Brickfields Park.

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.

A 10 km multi-terrain trail run at Ramsbury Brewery on August 16, 2026, with a canicross option. Entries include chip timing, a medal, race photos and a pint cup with a free alcoholic or non-alcoholic drink.

Trail 10k and new 5k around the Malvern Hills foothills with finisher medals, prizes, field parking and a two hour cut off.

A trail event at the Black Bull near Chelmsford on 16 Aug 2026 offering a 15 mile trail run and a 15 km social hike. The British Heart Foundation is the charity partner and finishers receive a medal 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 single lap 10 km off road race through Wyre Forest on 18 Aug 2026 with limited places, canicross allowed and no on the night prizes.