Trail Running calendar near Dunstable Downs 2026-2027

A mixed terrain trail along the Thames at Remenham Farm in Henley on Thames offering a half marathon, 10K and a junior race, with chip timed results, a themed medal and free race photos.

Test your endurance at a looped off road running event featuring 6, 12, and 24 hour challenges. Enjoy a community atmosphere with on site camping and options for solo runners or relay teams on a flat farm based course.

Mud Tribe in Brentwood is a muddy obstacle run with a 5 km course and a 1.5 km family option. The event features achievable obstacles, water elements without full immersion, finisher medals, hot wash downs and no chip timing.

A series of runs at Westonbirt Arboretum in Sept 2026 and Feb 2027, offering distances from 1 mile to half marathon on solid forest paths, with marked courses, feed stations, event medals and age‑based entry rules.

Choose a half marathon or full marathon along a flat, scenic riverside towpath from Walton on Thames to Hampton Court and back, run in laps for easy pacing. Limited places and medals for all finishers plus a giveaway for every entrant.

Women-only obstacle event in Brentwood, Essex featuring a supportive, non-competitive 5 km course for ages 7+. Includes varied obstacles, a finisher medal, hot wash-downs and on-site facilities.

A 50 km point to point ultra between Ramsbury Brewery and Renegade Brewery on varied off road terrain, with four aid checkpoints, chip timing, live tracking and a 9 hour cut off.

Trail marathon and half marathon in North Hampshire on 05/09/2026, with climbs to 280 m, scenic countryside routes, marked courses, aid stations and chip timing. A Military Cup allows serving units to compete as teams.

A 12-hour looped run at Bloor Homes Southern Regional Office in Newbury where participants complete 3.5 km loops to earn a bespoke medal, with prizes for most loops. The event supports New Life Special Care Babies, is limited to 100 entrant..

An ultra endurance event in Heartwood Forest where participants cover four mile loops within a 12 hour window, solo or in relays up to eight people. Winners are decided by distance and all finishers receive a medal.

Half marathon and 10k at Wimbledon Common on 6 September 2026, with marked trails, marshals and a 3.5 hour cutoff. An event village offers food, drink and finish line goodies and the event supports the Beder charity.

A scenic countryside trail event from Great Ponton through Lincolnshire villages offering four distances, checkpoint refreshments and finish food, organised as a charity challenge with beneficiaries to be confirmed.

Trail runs of 2 km, 5 km and 10 km take place along the Coln River valley near Coln St Aldwyns on 6 September 2026. Routes are mostly on trail and proceeds support Hatherop Primary School's Big Build Project.

An inaugural off road half marathon through Donyland Woods, Friday Woods and nearby countryside on Sunday 6th September. Entries were handled online and the event is listed as sold out with 26 entrants.

A community trail race in Epney, Gloucestershire covering approximately 10 miles (16 km) along the canal towpath and local footpaths. The course is predominantly flat and includes marshals, an aid station and a GPX route file.

A 10 km race through the private grounds of Loseley Park in Guildford on September 6 2026, featuring timed results, bespoke finisher medals and official on-course photography.

A measured, mostly off road 10 km on the Flitch Way with chip timing, kilometre markers and finisher T shirt and medal. The event raises funds for the Village Hall and includes a one mile family fun run.

A community focused 10 km trail run at Dummer Down Farm on 6 September 2026. Off road course across grass, gravel and farm tracks with chip timing, a finisher medal and an event village; part of ticket sales supports Mind.

Guided 10 km trail run around Silent Pool near Guildford, following parts of the North Downs Way and Netley Heath forest. Sessions run at dusk or at night with headtorches in a led group and a recommended pace of about 10 min per mile.

A mostly off road 10 km trail run at Trifarm on 09 Sep 2026, the second race in a four event series. The clockwise loop uses public footpaths and bridleways and includes on site parking, a finish water tap and championship points.