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 2333 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 fell race at the Reeth Show near Reeth DL11 6AR, featuring a 2.00 mile, 3.20 km course with about 700 ft of climb to Fremington Edge then back through quarry workings and fields. Age categories run from under 9 to senior.

An 8 hour timed event on 31 August 2026 in Bridestowe with repeated *5.3k* laps along a scenic disused train line. Entry is limited to 70 participants, minimum age 18, with medals for finishers.

Join the Dark Side Of The Combe on Mon 31 Aug 2026 in the Lake District as part of the Black Combe Country Fair at Bootle. This 12.5 km fell race with 625 m ascent is a tough, scenic test and has on the day entry.

Take on the Barrow Keswick Show Fellrunner on Mon 31 Aug 2026 in the Lake District: a punchy 6.5 km four mile course with 425 m climb, starting in the show ring and finishing by the showfield. Entry on the day £10, ages 15 and up welcome.

A 7 km fell race with 365 m of ascent in Machen on 31 August 2026. The route runs on steep, loose terrain so trail or fell shoes are recommended and entry is on the day with a £7 fee and age limit over 18.

The 55th Cilcain Mountain Race is a 7.4 km mountain event with 380 m ascent on the Clwydian Range. It includes Welsh Athletics senior short inter regional and North Wales regional championships and features junior races behind the showgroun..

September 2026

A 10 km fell race in Eyam on 1 September 2026 with a 3 km junior race for ages 11 to 16. Prizes are supplied by the Barrel Inn and a BBQ and bar are available in the courtyard.

The Kilnsey Crag will take place in Bradley on Tuesday 1 September 2026.

Muker Show Fell Race is a short fell course that crosses a river and climbs to Fremington Edge, about 2.25 km with 170 m of climb. It includes youth categories, has no Under 9s class and counts for the BOFRA Senior Championship.

A final-season evening fell race of about 8 km (5 miles) over Brown Wardle, Middle Hill and Hades Hill with 360 m ascent. It uses a 24 minute cut-off to Brown Wardle, requires mandatory FRA kit and offers pre-entry with set fees.

A **5 km** trail race around Clowbridge Reservoir, open to ages 11 and over. It is the first of a three-week Autumn series on 3, 10 and 17 September 2026 with entries via SiEntries and a £6.50 fee.

A six-day, multi-day ultramarathon across the Shetland Islands covering about 160 km with shared accommodation, guided support, medical cover and ferry links between islands.

A looped off road ultrarunning event at Top Barn Campsite with 24 hour, 12 hour 50 mile challenge and a new 6 hour option, on a well marked circa 5.6 mile course with camping, water stations and medals.

A sunset trail event at Ickworth Park offering 5K and 10K routes across limestone paths, woodland and meadows. The 10K is chip timed, all finishers receive a medal and the event operates as cupless with water refill points.

Experience an endurance challenge along the coast with solo and relay options ranging from 50 to 130 miles. This multi day event features strictly timed checkpoints and self navigation in a stunning natural environment.

Challenge yourself on the Great Longstone Chase, a classic fell race in the Peak District with 4.8 miles of rugged trail and 290 m of climb. Limited to 200 pre entered runners, the event also offers junior races and post race refreshments.

A multi-day outdoor festival in Hope Cove, Devon combining coastal trail races from 5k to ultra, swim runs and a sea swim, with camping, family activities, forest school, live music and speakers.

A 42 km multi island trail marathon across the Isles of Scilly with boat transfers, marked coastal routes and organised support. Entry is limited to 150 runners and competitors must be self sufficient with a minimum of three litres of water..

A multi-terrain off-road race of about 4 miles in Shotton on 4 September 2026, with pre-entry fees (£10, £8 affiliated), prize categories by age, a minimum age of 17, and a 200-person entry limit.

A scenic mixed terrain race along the Thames at Remenham Farm on 5 September 2026, offering a half marathon, 10K and junior race. The event includes chip timed results, a themed medal, marked course and an event village with food and photos..

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