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 2233 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.

Cronkley Fell Race is a 10.5 mile fell race with 1800 ft of ascent around Upper Teesdale and the River Tees. Organised by Durham Fell Runners, entries are via SI Entries and the entry price includes a free chip butty.

A mountain running event on Cuilcagh in County Cavan on 12 September 2026, covering 11.90 km with 870 m climb; only major junctions are marked, GPS is not allowed, and Level B mandatory kit is required.

A short fell race on Dartmoor of just under 5 km with 276 m ascent, starting and finishing at Sourton Village Hall. Junior races are available with marked short routes and low entry fees.

Experience the rugged beauty of the Dorset coastline with trail races ranging from 10k to a 50k ultra. Run through the historic Lulworth Castle Estate featuring scenic climbs and coastal views.

A charity ultramarathon along the Essex riverside on 12 September 2026, offering 10, 30 and 50 mile routes with marked trails, medical cover and checkpoints. Proceeds support Prostate Cancer UK.

A multi-terrain running event at the Flete Estate organised by Ivybridge Rotary Club, featuring 10K, 5K and 1K races, with marshalled routes, medical cover and finishers' awards for each distance.

A 22.4 mile circular challenge around Loch Venachar starting and finishing at Kirk Hall in Callander. The route gains about 1020 m and passes checkpoints at Bochastle, Brig o'Turk and a control near the 19.1 mile point.

MacTuffX Manchester at Etihad Campus on 12 September 2026 features solo, doubles and relay formats with ten Xercises and repeated 400 m or 800 m runs. Entrants must be 18 or older and a LITE weight division is available.

PIM Running Festival at Crathes Castle on 12 September 2026 features a half marathon, a 5 km and a 1.5 km children’s race. Entry proceeds support the conservation work of the National Trust for Scotland.

A series of fully marked, fully supported trail and ultra events in the UK that focus on a welcoming, inclusive atmosphere with generous cut-offs and runnable countryside courses.

A military style obstacle course event in Gisburn, Ribble Valley Lancashire on 12 September 2026, offering 12 km and 6 km race options with multiple military grade obstacles, team entries and an Elite competitive race with prizes.

Beast Race is a 10 km obstacle course in Banchory, Scotland on 12 September 2026, featuring hill climbs, water obstacles, island crossings and heavy mud. Regular entry is sold out and entry is currently by charity or corporate code only.

A fell race near Pwllheli over a single 8 km route with 490 m of climb that takes in the three peaks of the Eifl. Entry on the day only costs £10 and the event is insured by the Welsh Fell Runners Association.

Raven 7 is an 11.25 km fell race with 445 m of ascent around Llanarmon yn lal, based at the Raven Inn. Entry is £5 on the day and the course is partially marked.

A long, non-commercial fell race in the Black Mountains with a 27.4 km route and 1586 m of ascent. The event uses five checkpoints, requires full navigational kit, and operates on open access land with no on-course water provided.

An 81 mile single loop ultra on the Bunyan Way in Bedfordshire with a 24 hour cutoff, 1,219 metres of climb and seven aid stations. The runnable country route features live tracking, medical cover and a bespoke finisher medal and T shirt.

The Cairn William Hill Race will take place in Monymusk on Saturday 12 September 2026. You can run 11 kilometers.

A trail running event in Alton on 12 September 2026 offering a 10 km trail and a 2 mile fun run. The route uses gravel tracks and woodland trails and passes through the grounds of Alton Castle; medals for all finishers.

A 13 km marked trail race around Crosby Garrett with 400 m of ascent and views across the Eden and Lune valleys. Junior races run for ages U7 to U17 with on the day entry and separate junior fee.

A 50 mile circular ultramarathon through the Lincolnshire Wolds starting from Swallow Village Hall. The course gains about 1,370 m of elevation, features four aid stations, an 18 hour cut off and limited entry for 150 runners.

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