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 2142 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.

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.

The Beat Box Hill 50k will take place in Tadworth on Saturday 10 October 2026. You can run between 21 and 50 kilometers.

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.

A countryside trail race in Tideswell on Saturday 10th October covering about 8.9 km with 267 m of climb, passing Peters Stone and the summit of Hay Cop before returning to finish at Bishop Pursglove Primary School.

A 10 lap ultra at Pippingford Park on 10 October 2026 with 3, 4 and 5 mile loop options, regular aid stations and close parking.

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.

Second edition trail half marathon from Drone Valley Brewery in Derbyshire, with varied terrain, about 1,700 feet ascent, a finisher medal and a free pint voucher.

A trail running festival in Aberfoyle on 10 October 2026 that marks its third edition, featuring the returning half marathon and a 63 km ultra across multiple race options.

A military style obstacle mud run at Hever Castle, Kent on 10 and 11 October 2026 with 3K, 6K and 12K courses plus a two hour survival experience.

A 50 mile LDWA qualifier in Crowcombe on 10 to 11 October 2026, run as two loops onto the Brendon Hills and the Quantocks; entries require a recent 30 mile completion.

Trail half marathon around Rivington with start and finish at Rivington and Blackrod High School, organised by Chorley Women FC on 10 October 2026.

A 24 hour looped endurance event in Haldon Forest where runners complete one lap each hour for 24 hours, with distances from 10k to ultra and on site facilities.

A fully waymarked and supported sea to summit ultramarathon of about 45 km and 5400 ft ascent from the coast to the summit of Ben Nevis, part of the Sea to Summit Trilogy.

Trail run in Belford with fully marked and marshalled routes of 9 miles and 4 miles, starting and finishing at Bell View; proceeds support Belford Show.

A 5K obstacle course at The Cheshire County Showground with 12+ obstacles where participants fundraise for Islamic Help water projects.

A multi terrain trail event at Endcliffe Park featuring a 10k trail and a 2.5k children's fun run. The event attracts over 1,000 runners annually and uses grass, paved paths and woodland trails.

Trail races in Cannock Chase Forest on 11 October 2026 offering Half Marathon, 10K, 5K and a Junior Race with chip timing, a themed medal, free photos and a serviced event village.

The Twin Peaks Race in Aberystwyth challenges runners with ascents of both Pen Dinas and Constitution Hill on an 11.7 km route. A shorter junior race on the promenade is also available. The event features varied terrain and finishes with a..

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