Trail Running Calendar United Kingdom 2025-2026

Welcome to the most comprehensive guide to trail races in the UK for 2025-2026! Our curated list features an impressive 1338 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.

Join a seven hour timed event on a scenic trail along the River Wear with glorious views of Durham Cathedral; run or walk as many laps as you like from 3 km up to ultra distances. Limited to 300 entries with a friendly festival vibe.

Join the Nottingham Running Festival at Colwick Park for fast, flat lakeside and racecourse routes with a half marathon, 10K, 5K and junior race. Enjoy chip timed results, themed medals, free photos and an event village while supporting Not..

Tackle a scenic trail 10K or half marathon through Alexandra Gardens with distant views of Windsor Castle. Chip timed results, free race photos and a lively event village make this a great day out for runners and supporters.

Join the Plum 10k on 30 August 2026 in Pershore, Worcestershire, hosted by Pershore Plum Plodders. Enjoy a scenic 10 km through local countryside with friendly club support and a welcoming atmosphere for runners of all abilities.

Muntjac 15 links five woodlands via hilly single track and forest paths for a scenic but testing trail run. Join fellow runners on 30 August 2026 for a memorable off road challenge.

Enjoy a scenic trail marathon and half at Woldingham School with rolling valley and North Downs views on a 13.1 mile loop. Perfect for runners who love woods, ridge paths and rewarding post race treats.

Take on the stunning North York Moors at the Hardmoors 26.2 Roseberry Trail Races in Guisborough, offering marathon, half and 10k trail options. Expect steep climbs, self navigate routes and a pure off road test of endurance and navigation.

Take on the GNR Time Turner 7 hour challenge in Durham and run as many laps as you like on a scenic riverside loop with views of the Cathedral. Walkers welcome and finishers receive themed medals, goody bags and vegan options.

Take on the Steam Challenge in Bridestowe on 30 August 2026 for a scenic out and back on an old rail line, run or walk 5.3 km laps and complete as many as you can within the event time limits. Places are limited to 70 entrants and medals aw..

Tackle the Hebden Fell Race on Monday 31 August 2026 at Powder House Field for a sharp 1.5 mile challenge with roughly 400 feet of climb. Expect a steep ascent, topside running and a testing uphill finish through walls and streams.

A short, steep fell race at the Reeth Show, taking runners across fields up to Fremington Edge and back through quarry workings to finish on the showfield. Competitive and family friendly with junior and senior categories for all ages.

September 2026

Tackle Derbyshire terrain at the Eyam Fell Race, a testing 10 km route up Sir William Hill and across Abney Moor before a steep wooded return to the village. Enjoy post race BBQ, bar and prizes from the Barrel Inn.

Challenge yourself on the classic Muker Show Fell Race in the Yorkshire fells on Wednesday 2 September 2026. A short but brutal route plunges through the river then climbs to Fremington Edge for a thrilling, punchy finish.

The Hades Hill Fell Race will take place in Whitworth on Thursday 3 September 2026. You can run 8 kilometers.

Chase the sunset across Ickworth Park's limestone paths, woodland and meadows in a scenic 5 km or 10 km trail run. Finishers receive medals and top three men and women take home trophies in this atmospheric evening event.

Take on the stunning coastal challenge of the Ring O' Fire Race Series on Anglesey, with the epic Ring O' Fire 130, a new relay format and the Firelighter 50. Entries are open and race services cover maps, checkpoints and bag transfer for a..

Run along the Thames at the Henley River Half Marathon, 10K and Junior Race starting and finishing at Temple Island Meadows. Enjoy a scenic mixed terrain course, themed medal, free photos and an event village with food and charity options.

Enjoy a scenic 10 km trail around Malham, passing Malham Cove and Malham Tarn, with a big climb to Weets Top and a long descent to the finish. Entries include a post race meal, a bottle of beer and event goodies for a festive finish.

Join a guided 30 mile trail along the scenic Jurassic Coast from Studland Bay to Old Harry Rocks. This non competitive ultra is led by an experienced coach and suits well trained runners ready for big climbs.

Run a scenic 30 mile ultra around the Rhymney Valley Ridgeway in South East Wales, with ridge top views, trails and woodland. Staffed checkpoints, no time limits and post race care make this a welcoming challenge.