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 2004 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 47 mile point to point ultra along the Thames from Henley to Kingston with three checkpoints offering food and drink. Finishers receive a bespoke medal and technical race kit and a 4.0 mph minimum pace is enforced.

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 103 mile trail race along the North Downs Way from Farnham to Ashford with 11,000 feet of ascent, 12 aid stations and a 30 hour cut off. The route is mostly trail and includes navigation using national trail markers.

UTMB Index

Experience a point to point ultra run through the historic English trails of Constable Country with 100 km and 50 km race options. Finishers earn UTMB Index points while traversing scenic footpaths from Newmarket or Sudbury to Brantham.

UTMB Index

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

UTMB Index

Cross the full length of Scotland on this 215 mile trail ultra marathon following the Southern Upland Way. Experience a coast to coast journey through mountains and forests with a 100 hour time limit.

Experience traditional fell running at Arncliffe Village Green in the Yorkshire Dales. This event features distances from 1.3 km to 3 km for seniors and juniors with challenging climbs over scenic terrain.

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.

Challenge yourself to a scenic 17 km Lake District fell race with about 906 m of ascent across classic high ground around Grey Friar and Old Man. Pre entry only via SI Entries from 14 April and all proceeds support Alzheimer's Research UK.

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.

UTMB Index

Long-established challenge event in north-east Wales offering 32 miles, 24 miles and 16 miles from Cilcain Village Hall. Routes climb the Clwydian Hills and follow the Offa's Dyke Path over Moel Famau with wooded returns.

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.

Experience the diverse terrain of Stirling with five trail distances ranging from a 5 km forest run to a 50 km mountain ultra. Navigate undulating trails and fell climbs starting from the historic University of Stirling.

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..

A muddy double loop trail race at Bordon with woodland, sandy open areas and technical single track. Spectators can see runners several times close to the arena.