Trail Running Calendar United Kingdom 2026-2027
Explore the best trail runs in United Kingdom for 2026-2027! Our updated list features 2175 exciting trail runs across the country. Find your next trail run in United Kingdom below and join the trail community at these great events! Search for a location or view races near London, Birmingham, Glasgow, Liverpool, Scotland or Wales.
September 2026
Two fell races in Hayfield on 5 September 2026 offering a 24.5 km route with 1270 m climb and a 16 km route with 675 m climb.
Inflatable 5K in Edinburgh on 5 September 2026 is a non timed inflatable obstacle event with multiple distances, music zones, on course water and a finisher's medal.
A five-stage endurance event from Windermere to Scafell Pike and back covering 112 km with swim, road bike, mountain run and trail sections.
A 102 mile self navigation ultramarathon across Snowdonia Eryri with 5,172 m of ascent, 11 checkpoints and a 42 hour cut off. Entrants need prior 50 mile ultramarathon experience, mandatory mountain kit and GPS tracking.
Trail running at Kielder Castle on 5 Sep 2026 with routes from 6 km to 50 km, on-site camping, cup free outposts and timed results.
A 45 mile mountain ultramarathon around Snowdonia based at Betws y Coed with ridge trails, five staffed checkpoints and live GPS tracking. Entry for 2026 is full and participants must meet qualifying criteria and carry mandatory mountain kit.
A 50 km off-road Dartmoor challenge with a 30 km option, scenic moorland route from Okehampton to Ivybridge supported by mountain leaders and checkpoints.
A 24 hour, 56 mile unmarked circular hike and ultra run in the Peak District starting and finishing in Hazel Grove on 5 to 6 September 2026 with checkpoint support.
A fell race in Edale where teams carry a barrel across the moor alongside individual and children's races, with proceeds supporting local primary schools.
A 12 or 24 hour trail event in Glenmore Forest near Loch Morlich, Aviemore, run on a measured 4 mile loop with 400 ft ascent per lap. Support crew limits, mandatory kit and weather guidance are issued before the race.
A trail half marathon in Malham village on 5 September 2026, featuring Malham Cove, Malham Tarn and a climb to Weets Top as the opening race of the Due North Trilogy.
Trail running in the Shropshire Hills from Carding Mill Valley with Marathon, Half Marathon and 10K options across The Long Mynd and National Trust land, waymarked route, on-course aid stations and a finishers medal.
Backyard Ultra at Hardwick Hall Estate on 5 September 2026 where runners repeat a 4.16 mile loop each hour until only one remains, with on course aid and support.
Timed loop trail event in Borders Forest Park: complete as many 4.366 mile laps as possible in 8 hours with electronic wristband timing.
A 7.1 km fell race across Longshaw Estate and Grindleford Valley held alongside the Longshaw Sheepdog Trials with FRA rules and included trial access.
Experience a challenging 6 mile moorland race across the rugged terrain of Dartmoor including steep climbs and woodland trails. This historic off road event finishes with a fast downhill run at the iconic Haytor Rock.
A traditional fell race from Glenridding around Catstye Cam, Helvellyn, Grisedale Tarn and St Sunday Crag with manned checkpoints, compulsory mountain kit and limited entries. The route includes specific path requirements to protect sensitive land.
Two ultra-distance events along the Saints Way Trail in Cornwall on 05 September 2026, offering 28-mile and 56-mile routes, live GPS tracking, feed stations, medals and race photography.
Mud Tribe is a muddy obstacle-course event near Brentwood, Essex offering 1.5 km and 5 km options with foam, achievable obstacles, finish-line facilities and a female-only wave; under-15s require a paying adult.
Enjoy a scenic trail run through the Staffordshire countryside starting and finishing at a canal side pub. This charity event features a 10k route followed by evening food and music.