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 2274 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 timed Friday run on a 5.3 km out and back towpath loop along the River Thames. The event is promoted as a ten pound charity entry for Rays of Sunshine and includes a double sided finisher medal.

A 47 mile point to point ultra along the River Thames from Henley to Kingston with three checkpoints offering food and drink. Finishers receive a bespoke medal and a technical tee shirt, mug or hat and top male and female receive trophies.

A summer trail race on the edge of the Peak District covering just over 20 miles through Cordwell and Linacre valleys. The largely unmarked route has GPX and route notes, two staffed checkpoints and medic cover.

ATW Odyssey12 is a 12 hour multi-terrain lap run at Riverside Park St Neots on 8 August 2026, held within the ATW First to Full Triathlon Festival. Entries are available solo, as pairs, or teams of 3 to 6.

A continuous 103-mile trail event along the North Downs Way from Farnham to Ashford, featuring about 11,000 ft of ascent, 12 aid stations, a 30 hour cut-off and published qualification and kit requirements.

Point to point trail ultras along the Stour Valley Path in Constable Country on 8 August 2026. The SVP100 covers about 102 km and the SVP50 is a shorter trail option; both offer medals, t shirts and UTMB Index points.

The GBultras | Ultra Great Britain will take place in Stranraer on Saturday 8 August 2026.

A 215 mile ultramarathon along the Southern Upland Way from Portpatrick to Cockburnspath with 12 checkpoints, mandatory kit and a 100 hour cut off. Entry is by application and participants must be at least 20 years old.

A BOFRA fell race at Arncliffe Village Green featuring a steep climb to a cairn and a two stage descent back to the green. A four mile road race is also held on the same day.

Two trail distances along the Mendip Way on 8 August 2026, finishing at Uphill Sands Beach. The routes feature woodlands, hilltop views and coastal terrain with aid stations and a cupless policy.

A 17 km fell race in the Lake District with 906 m of climb, visiting Grey Friar, The Old Man of Coniston, Dow Crag and White Pike. Entry is limited to 200, minimum age 18, and FRA mandatory kit and map and compass navigation are required.

Test your limits at Temple Newsam with an 8 hour looped ultramarathon on a scenic 5km mixed terrain course. Run as many laps as you choose in a flexible and supportive environment featuring full chip timing and medals for all.

Choose any number of laps on a scenic 5.3 km loop at Denbies Wine Estate to make distances from 5 km up to ultra. Timed event with a flexible 1.5 hour start window and support on a hilly off road course.

Join the Tegg's Nose Fell Race on Sat 8 Aug 2026 in the Peak District for a challenging 8 mile course with 525 m of climb and fine views. Held with sheep dog trials, this classic fell race accepts pre entries and entries on the day.

Tackle the Sticklepath Horseshoe a 15.5 km fell race over rugged moorland with 519 m climb. Pre entry is limited so book early. Bring map compass and solid navigation skills as this event is not suitable for beginners.

A trail running event in the Brecon Beacons on 8 August 2026 offering 24K and 51K routes with marked kilometres, marshals, stocked aid stations, chip timing and a finisher medal. An event village provides food, drink and free race photos.

A long-established August event in NE Wales from Cilcain Village Hall offering 32 miles, 24 miles and 16 miles routes that follow the Clwydian Hills and the Offa's Dyke Path over Moel Famau. Walkers and runners are welcome.

Test your endurance in County Down with this 31 km mountain race featuring 2800 meters of climbing. Navigate the peaks using traditional skills as GPS is prohibited in this authentic fellrunning challenge.

A trail running event on 8 August 2026 at the University of Stirling offering five routes from 5 km to 50 km across forest and Ochil Hills terrain. Outposts provide snacks and self serve water and the Ultra and Marathon have nine hour cut o..

The West 100 is a 100-mile team trail run in Cornwall, completed within 36 hours. A support crew provides food and meets runners regularly along the route. The event has strict kit and qualification requirements, including prior 100k experi..

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