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 2282 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.

MacTuffX Sutton Coldfield on 6 June 2026 pairs 10 functional Xercises with running in classic and double distances, offering Solo, Doubles and Relay entries plus a LITE weight division; entrants must be 18 or older.

A mountain hill race in the Western Mamores covering about 13 km and 1300 m of ascent over two Munro summits. The unmarked, clockwise route starts and finishes near Lower Falls and requires mandatory mountain safety kit.

A 12-hour backyard ultramarathon at the Bakehouse in Bristol on 6 June 2026 where one lap is run each hour; participants can complete between one and twelve laps and choose from 3 km to 6 km loops, with proceeds supporting Andy's Man Club.

Trail running at The Green Man at Inglewhite on 6 June 2026 offering 15K and 10K routes with chip timing, marked course, aid stations, medical cover and finishers' medal and technical t-shirt.

A three-race one-mile series at Jubilee Retreat on 6 June, 4 July and 1 August 2026, begun in 2009 to fund the Orion clubhouse. A reduced series rate is available and age-category and team trophies are awarded, with the third race part of t..

Trail running and rucking in the Mendip Hills near Winscombe with **8 km** and **14 km** routes, supplied GORUCK Rucker backpacks for ruck categories, finisher medals or patches and podium prizes for Pro categories.

A 5k obstacle course at Cassiobury Park where participants climb, crawl and slide across a largely flat, mixed-terrain route. The event supports fundraising for cancer research and includes a medal, refreshment facilities and on-course assi..

A muddy 5 km obstacle course at Willen Lake in Milton Keynes with timed waves, a minimum fundraising target and on-site facilities. Open to participants aged 13 and over and organised by Cancer Research UK.

A 5k obstacle event at Markeaton Park where participants climb, crawl and slide across mixed terrain to raise funds for Cancer Research UK. Waves start every 15 minutes and participants must be 13 or older.

A 5k muddy obstacle course at Graves Park featuring climbs, crawls and slides. Open to participants aged 13 and over, the event includes fundraising support, a medal and onsite facilities such as toilets and event parking.

A 5k muddy obstacle event at Prospect Park, Reading where participants climb, crawl and slide over grass, slopes and woodland. Organised by Cancer Research UK, the event includes on-course marshals, a fundraising target and a finishers meda..

Pretty Muddy 5k in Preston is an obstacle course through Avenham and Miller Park with climbing, crawling and sliding over a single lap on mixed surfaces. The event supports Cancer Research UK and requires participants to be at least 13 year..

A fell race in the York. Dales on Sat 6 Jun 2026 at Letcliffe Park, Barnoldswick. The course is 8.8 km with 550 m climb, allows day entry (£7), teams of three, and carries an FRA permit with UK Athletics insurance.

Fun Run 2026 at Bruern Farm Estate features trail routes of 2.5 km, 5 km and 5 miles with specific age accompaniment rules, participant medals and post race refreshments at the Bruern Farm Cafe.

A narrative, self-navigation trail race of about 7 miles on 6 June 2026, run under UK Athletics rules with a permit from the Trail Running Association. Race HQ is in the fete field and each entry includes a £3 tea tent voucher.

A 24 hour loop challenge in Worcestershire where each hour participants complete a 6.8 km circuit split into three laps. Individual and team relay categories are available, with mandatory night laps, timing, basecamp support and finisher it..

A 13.1 mile coastal half marathon around the Isle of Portland on 6 June 2026, featuring exposed clifftop sections and mixed terrain. The event includes GPS tracking, a checkpoint at Portland Bill and compulsory safety kit.

The The North Wales Pilgrim Trail Marathon will take place in Pistyll on Saturday 6 June 2026. You can run 42 kilometers.

A set of family friendly races in Bath that run through the Devonshire and Combe Down tunnels, offering distances from Colourburst fun runs to a 50 km event and supporting Sustrans.

A multi-distance event around the village of Ousden in Suffolk, based at the Suffolk Running Centre. Options range from 5k to ultra with aid stations every 10k, on-site parking and a bespoke finisher medal.

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