Trail Running Calendar United Kingdom 2026-2027

A summer evening 5 km series across three Edinburgh parks with chip timing, marked courses, finisher medals and category prizes. Enter single races for £12 each or all three for £30.

A three-race autumn trail series featuring a 5k course around Clowbridge Reservoir near Burnley. The route is two laps of a trail path, open to ages 11 and over, with a published entry fee of £6.50.

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 team endurance event covering 100km along the South Downs Way in under 30 hours, with standard teams of four plus support crew and a new relay option for 2026. Teams raise funds for the Gurkha Welfare Trust.

Robin Hood 100 is a 100 mile trail ultramarathon through Sherwood Forest and nearby parks, featuring a twice-run 30 mile forest loop, marked aid stations, drop bags and a 30 hour cutoff.

A multi-duration trail event at Tehidy Woods on 12 September 2026, using a marked 4 mile loop. Runners choose from 3, 6, 9 or 12 hour formats and compete on a hilly, technical woodland course.

A guided mountain run across the 15 Welsh 3000s in Snowdonia, including the Carneddau Glyderau and Snowdon ranges and the Crib Goch traverse. About 30 miles with 4000 m of ascent and a minimum age of 18.

A beginner friendly 50 km ultramarathon along Norfolk's Boudicca Way from Diss to Norwich, open to runners and walkers with a 10 hour cutoff. The field is limited to 250 and entries include checkpoints, GPS tracking and a post race meal.

A multi-distance race series around Bewl Water near Lamberhurst, Kent, on wooded trails and quiet country lanes. Available distances include 10 km, half marathon, marathon and a 50 km ultra with measured GPX routes and published time limits..

A fully signposted 47 miles (75K) ultra around Lake Windermere with GPS tracking, six aid stations and a halfway bag drop. Competitors must register in person, carry mandatory kit and use the issued tracker for live monitoring.

A roughly 100 km loop around Leeds using the Leeds Country Way footpaths, mostly rural and waymarked with the owl. The event provides a GPX route, checkpoint food and a finishers' medal, and requires specific navigation and safety kit.

A family friendly inflatable obstacle run at Bakewell Showground on 12 September 2026, offering 2.5k, 5k, 10k and 15k routes with multiple inflatables, five music zones and a finisher medal.

A multi distance event along the Thames Towpath from Putney Bridge to Henley, with rest stops, GPS tracking, catering and medical support. Options include solo or team entries and a weekend festival of related walks.

A 10th edition 10.5 mile trail race across southern Dartmoor with almost 650 m of ascent, touching Ryder's Hill and the Red Lake Volcano. The route includes river and clapper bridge crossings, boggy and technical ground and finishes in Scor..

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 coastal ultra from Lowestoft to Aldeburgh on 12 September 2026, following varied paths via Southwold, Dunwich Heath and Sizewell with marked navigation, aid stations and a 9 hour time limit.

A forest backyard ultra at High Lodge where runners complete repeated 4.167 mile loops every hour until a single finisher remains. The event also provides 6 hour and 12 hour timed options 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 off road traverse from Fairholmes to the Robin Hood Inn that raises funds for Edale Mountain Rescue Team. Walkers, runners and climbers follow the route over nine gritstone edges and must meet specified navigation and kit requirem..

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.