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 1923 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.

Test your endurance at Frylands Wood by running four miles every hour until only one runner remains. Enjoy full support with on site facilities, refreshments, and a dedicated rest area as you push your limits.

Take on a legendary mud run in the Surrey countryside featuring over 100 obstacles across a permanent assault course. Choose from 5km, 7km, or 10km distances for an unforgettable test of endurance and teamwork.

Join the Arnison Crag Horseshoe fell race in Patterdale on Sat 29 Aug 2026, starting at King George Playing Fields as part of Patterdale Dog Day. A steep 5 km with 300 m climb, entries on the day £5, minimum age 14.

A short fell race of 4 km with about 120 m climb at the Show Field in St John's Chapel. Day entries cost £2 and there are separate junior races for children aged 4 to 12 plus an under 18 category.

Join this lively fell race at Bellingham Showfield as part of the country show, tackling 4 miles with 600 ft of climb across classic Northumberland terrain. No pre entry required; runners aged 16 and over can sign up on the day.

Tackle a classic Pennines fell race in Pendleton on 29 August 2026. The 8 km course packs 457 m of ascent across rough terrain, with on the day entries and homemade cakes and a cosy village pub to reward you.

Tackle the Tripsdale Trot on 29 August 2026 at the Bilsdale Show in Chop Gate. This 5.5 mile fell race through the North York Moors climbs 1437 ft and has a junior fun race alongside. Entry is on the day.

Join Kinloss Running Festival on the Moray coast for road and trail races from a 1 km fun run to the Back Yard Ultra and half marathon. Fast flat courses and a bustling race village raise funds for SSAFA and ABF The Soldiers Charity.

The Dales Dazzler will take place in Skipton on Saturday 29 August 2026.

UTMB Index

Test your endurance at this 55 km ultra marathon through the Mourne Mountains featuring over 3000 meters of ascent. This extreme mountain race summits several peaks including Slieve Donard and Slieve Bearnagh.

UTMB Index

A fell race in North Pembrokeshire on Sat 29 Aug 2026 covering 8 km with 330 m of climb. Entries are accepted in advance and on the day, and junior Mochyn du races have entry on the day only.

A four-stage, **43 km** hill relay around Glen Lednock starting and finishing in Comrie village with 1,733 m of ascent. Teams of five include a pair on leg two and the course mixes trail sections with rough mountain terrain.

Test your limits at this six hour trail challenge through an Area of Outstanding Natural Beauty. Run as many five kilometer loops as you choose across rolling fields and ancient woodland.

Experience a unique obstacle run in Glasgow featuring a variety of large inflatable structures. This event offers a 5k course designed for participants to navigate through multiple bouncy stations in Lanarkshire.

Run as many laps as you choose in this seven hour time challenge along the River Wear in Durham. Enjoy a flexible trail course with Cathedral views and inclusive support for all abilities.

Experience a fast and flat run at Nottingham Racecourse and Colwick Country Park. Choose between several distances including a half marathon and 10k while enjoying scenic lakeside paths and an active event village.

Experience a flat trail run through the scenic Alexandra Gardens with stunning views of Windsor Castle. Choose between 10k and half marathon distances with chip timing and free race photos included in a historic UK setting.

Join this established 10k event in the heart of Worcestershire. Managed by an England Athletics affiliated club, this race offers a professional environment for runners in the Pershore area.

Take on the Muntjac 15, a 15 mile trail around Danbury Essex with 1600 ft of climbing across scenic woodland and technical singletrack. Enjoy a well stocked checkpoint, a quality memento and bespoke local trophies.

Experience a scenic out and back trail run through the North Downs Way and Surrey countryside. Choose between a full or half marathon starting from the grounds of Woldingham School.