Trail Running Calendar United Kingdom 2026-2027
Explore the best trail runs in United Kingdom for 2026-2027! Our updated list features 2177 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
A timed, lap-based Friday run along the Thames with flexible rock up and run starts; the £10 affiliated entry is donated to Rays of Sunshine and participants receive a double-sided charity medal.
A 100 km team endurance trek across the South Downs in September 2026, combining checkpoints, support crews and fundraising for The Gurkha Welfare Trust.
A 24 hour loop race at OnePlanet Adventure in Llandegla where individuals or two person teams complete as many 3 mile laps as possible on forest trails.
A hill race on 11 September 2026 around Bennachie Visitor Centre, roughly 10km with 377m of ascent and prizes for the top three men and women.
A 100 mile ultra on runnable trails through Sherwood Forest and towpaths, with two forest loops, well stocked aid stations, a 30 hour cutoff, drop bag points and pacers allowed from about mile 51.
Timed trail event in Tehidy Woods with 3, 6, 9 or 12 hour options on a 4-mile loop; entry fees range £30 to £60.
Guided run over the 15 Welsh 3,000 ft peaks in Snowdonia, covering about 30 miles and 4,000 m ascent with support and catering.
A 50 km ultra on 12 September 2026 following the Boudicca Way from Diss to Norwich, passing Roman sites and South Norfolk villages. Limited to 250 places and licensed by the Trail Runners Association.
A biannual trail race around Bewl Water in Kent offering 10 km, half marathon, marathon and 50 km ultra routes with extensive lakeside trail and lane sections.
A fully way marked 47 mile trail ultra around Lake Windermere open to runners and walkers with GPS support, five feed stations and a 24 hour time limit.
A 100km loop around Leeds on waymarked LCW footpaths with nine supported checkpoints, mandatory GPX navigation, drop bags and required safety kit for participants.
An inflatable obstacle run in Bakewell with 2.5k laps, multiple distance options, music zones, on course water and a finisher's medal for all participants.
A multi-distance walk, jog and run along the River Thames from Putney Bridge to Henley in September 2026 and 2027. Distances span 10 km to 100 km with rest stops, catering, medical support and GPS tracking via an event app.
A 10.5 mile trail race across southern Dartmoor, reaching Ryder's Hill and the Red Lake Volcano through rocky, boggy terrain with several river crossings.
Multi-day trail ultramarathon in the Peak District offering distances from 12 km to 110 km, camping options, UTMB Index races and a GB Slam award.
A point to point 50K trail race along the Suffolk coast from Lowestoft to Aldeburgh on 12 September 2026 with aid stations and a 9 hour limit.
Backyard Ultra at High Lodge, Thetford Forest, where runners complete a 4.167 mile loop each hour until one remains; 6 and 12 hour time limited options are available.
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 off road traverse across nine gritstone edges raising funds for Edale Mountain Rescue Team, offered as walking, running or climbing with required navigation and safety kit.
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.