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 high level 10.5 mile trail race across rocky, boggy Dartmoor terrain, featuring an ascent of the Red Lake Volcano and a touch of Ryder's Hill. The route is fully marked and marshaled and requires runners to be at least 17 years old.

Trail ultramarathons in the Peak District on 12–13 September 2026 with distances from 12 km to 110 km, UTMB Index status and camping options. The event also forms part of the GB SLAM series.

A 50 km point to point trail along the Suffolk coast from Lowestoft to Aldeburgh, passing Southwold, Dunwich Heath and RSPB Minsmere. The fully marked course has four aid stations, a GPX route file and a nine hour time limit.

A Backyard Ultra at High Lodge, Thetford Forest where runners complete a *4 miles 880 feet* loop every hour; full, 12 hour and 6 hour entry options are available, with camping, basic aid station and chip timing.

A 40 mile ultra from Glenbuck Loch to Riverside Stadium in Ayr on 12 Sep 2026, featuring water stations, 10 mile checkpoints with food and drop-bag support. Relay teams of 2 or 3 split the route into 17, 14 and 9 mile sections.

A 20 mile unmarked traverse across nine gritstone edges raising funds for Edale Mountain Rescue Team. Participants walk, run, or climb with mandatory navigation and kit requirements and checkpoints offering refreshments.

Three fell races around Ventnor on the Isle of Wight offer routes from 3.8 km to 21 km with notable ascent. The series follows FRA rules, has entry limits and also serves as the SEAA Fell Running Championships.

A chip-timed trail event in the Surrey Hills offering 10k, 21k and 42k routes with marked courses, aid stations, finishers' medals and an event village at Shere Recreation Ground.

Tackle a classic Lake District fell run around Helvellyn and the Dodds, a rugged 18.5 km loop with 1450 m of climbing and stunning mountain views. Open to adults with pre entry or day entry for a proper fell challenge.

Ventnor Horseshoe on Sat 12 Sep 2026 offers a scenic but testing 12 km fell course around Ventnor with 443 m of climb. Part of the Isle of Wight Fell Series, it is perfect for runners seeking a tough coastal hill challenge.

Start the IOW Fell Running Series with St Boniface Fell in Ventnor on Sat 12 Sep 2026, a punchy 3.9 km race with 235 m of climbing across scenic Isle of Wight terrain. Pre entry or on the day entries welcome.

A 36 km, 2200 m ascent fell race around the Northern Fells from Hesket Newmarket. An FRA AL category English Championship event requiring navigation, mandatory kit and several summit checkpoints on an exposed loop.

Run as far as you like at Alice in Runderland, a timed multi lap event at Parc Taf Bargoed with flexible start times and on course support. Choose from one lap up to marathon and earn a bespoke finisher medal.

Cronkley Fell Race is a 10.5 mile fell race with 1800 ft of ascent around Upper Teesdale and the River Tees. Organised by Durham Fell Runners, entries are via SI Entries and the entry price includes a free chip butty.

A mountain running event on Cuilcagh in County Cavan on 12 September 2026, covering 11.90 km with 870 m climb; only major junctions are marked, GPS is not allowed, and Level B mandatory kit is required.

A short fell race on Dartmoor of just under 5 km with 276 m ascent, starting and finishing at Sourton Village Hall. Junior races are available with marked short routes and low entry fees.

Experience the rugged beauty of the Dorset coastline with trail races ranging from 10k to a 50k ultra. Run through the historic Lulworth Castle Estate featuring scenic climbs and coastal views.

A charity ultramarathon along the Essex riverside on 12 September 2026, offering 10, 30 and 50 mile routes with marked trails, medical cover and checkpoints. Proceeds support Prostate Cancer UK.

A multi-terrain running event at the Flete Estate organised by Ivybridge Rotary Club, featuring 10K, 5K and 1K races, with marshalled routes, medical cover and finishers' awards for each distance.

A 22.4 mile circular challenge around Loch Venachar starting and finishing at Kirk Hall in Callander. The route gains about 1020 m and passes checkpoints at Bochastle, Brig o'Turk and a control near the 19.1 mile point.

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