Trail Running Calendar United Kingdom 2026-2027

An evening head-torch trail around Swinsty and Fewston Reservoirs with half marathon, 10 km and 5 km options. The event limits entries to 150, has a minimum age of 16, and includes water stations and a finisher medal.

The Darlington Trail Night Run will take place in Darlington on Wednesday 7 October 2026.

The Phoenix Running - Slough will take place in Slough on Thursday 8 October 2026. You can run 5 miles.

A six hour multi-lap off road event at Sence Valley Forest Park where participants complete 3.3 mile laps at their own pace, with canicross allowed and options for a medal or tree token.

A 10k evening trail race within the enclosed grounds of Kiplin Hall near Richmond, North Yorkshire. The marked route passes formal gardens, woodland, grassland and lakeside paths and finishers receive a hot drink and cake.

A trail event at Cuerden Valley Park on Friday 9 October 2026 where runners complete repeated 5k laps within a six hour limit. Finishers receive an official time and a bespoke medal.

A lap based Friday timed run on the Thames towpath offering distances from a single 3.28 mile lap up to ultra distances, with the ten pound charity entry supporting Rays of Sunshine and a special double sided medal.

A fell race at Wasdale Head on 10 October 2026 that climbs to Kirk Fell over 2.4 miles with about 700 m ascent. Age groups run from Under 12 to Seniors and specific waterproof kit is compulsory.

A 57 mile ultramarathon from Glasgow to Edinburgh with live GPS tracking, staffed checkpoints and strict kit and qualifying requirements. The mostly canal and towpath route passes the Falkirk Wheel and the Antonine Wall.

A trail event on 10 October 2026 near Maidstone offering 50 km, 25 km and 10 km loop options with covered rest stops, GPS tracking and weekend camping. Medical support, catering and shuttle transfers are provided.

A 70 km circular mixed terrain ultra in and around historic Stirling, offered as solo entries or team relays of three or six, with aid stations, GPS live tracking and an overall 14 hour cut off.

A backyard ultra at Turvey House where runners complete a 4.167 mile (6.7 km) loop each hour; failing to start a loop on the hour means elimination. Entries include solo, paired teams alternating loops, and an 8 hour day cap.

A circumnavigation event in South Hams, Devon offering 100 mile, 44 mile and marathon routes along the South Hams Way and coastal paths, with multiple checkpoints, GPS trackers and a paid ferry crossing.

Endurancelife's Suffolk event in Dunwich on 10 Oct 2026 offers 10K, half marathon, marathon and ultra trail options across forest, moorland, grass and beach and counts toward the Season Leaderboard.

A family friendly inflatable obstacle event in Cheltenham on Saturday 10 October 2026, offering lap-based distances of 2.5k, 5k, 10k and 15k with music zones, on-course water and finishers medals.

A 32 mile trail through the Cambrian Mountains from Camp Plas near Dolanog, capped at 100 runners and fully marked with checkpoints and a 14 hour cut off. The weekend includes on-site camping, catering, live music and lakeside activities.

SkyRun the Mournes features three demanding skyrunning races in the scenic Mourne mountains. Runners can choose from distances of 50 km, 35 km, or 20 km, each with significant elevation gain. The event is scheduled for October 10th, 2026.

Langdale Horseshoe is a 21.1 km October fell race over rocky, pathless terrain that requires prior mountain running experience. Entries open 1 August via SI Entries and the field is limited to 550 competitors.

A 50k mostly off-road ultramarathon on Bennachie with over 5000 ft of ascent, visiting multiple peaks and starting and finishing at the Bennachie Visitor Centre. Pre-entry only with 150 places and a 4 hour cut-off at about 19 miles.

Trail event at Box Hill, Surrey offering 21K, 31K and 50K options on marked routes with marshal support, chip timed results and a finish village with a themed medal and free race photos.