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 1295 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.

Run scenic lakeside and trail courses at the Nottingham Running Festival in Colwick Park on 30 Aug, with races from juniors to a four lap half marathon. Celebrate with a medal, chip timing and a lively event village supporting local hospice..

Run through Alexandra Gardens with views of Windsor Castle at the Windsor Trail Run on 30 August 2026. Choose a 10K or half marathon, enjoy chip timing, free race photos and a lively event village.

Join the Plum 10K on 30 August 2026 in Pershore, a friendly community race hosted by Pershore Plum Plodders. Enjoy a welcoming vibe and strong club support from one of Worcestershire's established running clubs.

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.

Take on the Woldingham Half or Full Marathon across scenic North Downs ridges, woodland and varied trail terrain with rewarding rolling climbs and countryside views. Finish with a finisher medal, race tee in your goody bag and post race sna..

A rugged trail challenge across the highest parts of the North York Moors, with 30, 14.5 and 9 mile routes featuring big climbs and self navigation. Bring mandatory safety kit and a cup for checkpoint drinks for spectacular views.

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

Join the Eyam Fell Race, a scenic yet testing 10 km fell course from Eyam to Sir William Hill and across Abney Moor with steep descents. Places are limited by pre registration and there is a BBQ and bar plus a junior 3 km on the day.

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.

Enjoy a sunset trail run through Ickworth Park's rolling woods and meadows with 5k and 10k options. Chip timed race with a finisher medal and first aid on site; bring grippy shoes and a torch for safety.

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 River Thames at Temple Island Meadows with half marathon, 10K and junior races supporting Royal Berks Charity. Enjoy mixed undulating trails, finisher medals, chip timing, free photos and a lively event village.

Run the Malham 10k on 5 September 2026, a scenic trail that passes Malham Cove and Tarn, climbs Weets Top then drops into a long panoramic descent. Enjoy rugged paths, big views and a lively finish.

Take a guided 30 mile run along the dramatic Jurassic Coast, passing Corfe Castle, Kimmeridge Bay and Old Harry Rocks. This hilly, non competitive adventure is ideal for experienced trail runners seeking scenic, supported miles.

Take on the RIDUM 30 mile trail ultra around the ridge tops near Cardiff, with about 4,252 feet of climbing and sweeping south east Wales views. Enjoy fully stocked checkpoints, race crew support and a finisher medal.

Its Grim Up North Running presents Hip Hip Hooray it's Hornsea, a seaside trail event in Hornsea, East Yorkshire along the Trans Pennine Trail. The race offers multiple distances—5k, 10k, 10-mile, 20-mile, half marathon, and marathon (two h..

Event overview Heights Ultra Trail is a charity running festival based at Colne Valley High School, Gillroyd Lane, Linthwaite, Huddersfield HD7 5SP. The event offers four marked races: 50 Mile 50 KM 27 KM 10 KM The event raises funds for..