Trail Running Calendar United Kingdom 2026-2027

Welcome to the most comprehensive guide to trail races in the UK for 2026-2027! Our curated list features an impressive 2176 trail runs across the enchanting landscapes of Scotland, and Wales. From the iconic trails of London's green outskirts to the rugged terrains near Birmingham, from Glasgow's scenic paths to Liverpool's historic routes, we've got every trail enthusiast covered.

Whether you're a seasoned trail runner looking for your next challenge or a newbie eager to explore the world of off-road running, our calendar is your one-stop solution. Dive deep into the details by searching for a specific location or simply browse through to discover new trail runs. Looking for all running events? Check out the complete Running Calendar United Kingdom on running.life.

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 miles ultramarathon from Glasgow to Edinburgh along canals and towpaths, with GPS tracking, mandatory kit requirements and a 16 hour cut off. The event has 750 places and is scheduled for October 2026 and October 2027.

Looped trail event near Maidstone offering 50 km, 25 km and 10 km options. The route follows the North Downs Way and River Medway and includes covered rest stops, GPS tracking and camping at basecamp.

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.

Trail event in Dunwich on 10 October 2026 offering 10K, half marathon, marathon and ultra across flat coastal terrain. Courses are fully marked, electronically timed and count towards the Endurancelife seasonal leaderboard.

A non timed inflatable obstacle run in Cheltenham on 10 October 2026 offering 2.5k, 5k, 10k and 15k options with inflatable obstacles, music zones and on course hydration. Children aged 5 to 15 must run with a paying adult.

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.

A 55 km circular trail ultra across the Forest of Dean that follows a GPX navigation route through single track, riverside sections and ridges. Canicross has its own category and aid stations provide water, food and toilets.

The Tideswell Terminator is an 8.9 km trail race in Tideswell on 10 October. The hilly route gains 267 m, passes Peters Stone and Hay Cop, and finishes at Bishop Pursglove Primary School.

A ten hour lap event at Pippingford Park where participants aim to complete ten laps of roughly three, four or five mile loops. Each lap must finish back at the race village within the hour and the final grade is set by the shortest loop co..

A half marathon and 10K through Epping Forest, London on 10 October 2026, run on marked woodland trails with aid stations, chip timing and an eco friendly focus.

A 13.1 miles trail race from Drone Valley Brewery in Unstone through forests, fields and riverside paths, featuring 1,700 feet of elevation, a halfway aid station, a finisher medal and a voucher for a free pint redeemable on race day.

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