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 2277 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.

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.

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.

Water themed trail running on the Isle of Purbeck with four single lap distances from half marathon to 54k. Routes run along coastal cliffs and Purbeck hills and include well stocked aid stations and GPX navigation advice.

A 15.5 mile off road loop around Loch Lyon in the Perthshire hills with about 1,500 ft of ascent, multiple river crossings and a mid race water station. Camping is available at the dam the night before.

Spartan Scotland at Hopetoun Estate on June 7, 2026 features Sprint, Super and Beast obstacle races plus a kids race. A one day Trifecta option and team entry choices are available and Tough Mudder runs at the same location that weekend.

Trail running at Wendover Woods on 7 June 2026 offering a half marathon, a 10k and a junior run on hilly forest trails with route maps, an on site cafe and spectator attractions.

A BOFRA fell race in Kettlewell on 7 June 2026, featuring a short steep climb to a skyline cairn followed by a fast descent with a brief scree section. Parking and registration are on the cricket field.

Coombe Hill Fell Race in Wendover on 7 June 2026 is a 7 km BS Category fell run with a steep climb and 220 m of ascent. Registration is at the Shoulder of Mutton pub and entry includes a post race pint with a reduced fee for FRA members.

Classic Lake District fell race from Howtown Bobbin Mill, testing runners over 13.3 miles with about 1400 m of climb across rugged terrain. Entry is on the day for £8 and limited to 100 starters so arrive early.

Take on the Passing Clouds fell race in the Peak District on Sun 7 Jun 2026, a scenic but testing 15.7 km trail with 565 m of climb around Tittesworth Reservoir. Entry on the day from £9 for members, parking charges apply.

Trail running at Alice Holt Forest on 7 June 2026 with 10 km and half marathon options, live chip timing, and canicross permitted; finishers receive a medal, merchandise and refreshments.

Trail running around Coniston Water with marathon, half marathon, a new 10k and a new 5k. Fully marked, marshalled courses, feed stations and an event village at Coniston Sports and Social Centre.

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