Trail Running Calendar United Kingdom 2026-2027

Guided 10 km trail run at Silent Pool near Guildford using parts of the North Downs Way and Netley Heath, with dusk and night options, group pacing, kit support and the chance to trial headtorches and trail shoes.

A mostly off road 10 km trail run at Trifarm on 09 Sep 2026, the second race in a four event series. The clockwise loop uses public footpaths and bridleways and includes on site parking, a finish water tap and championship points.

A three-evening summer 5K series around Leith Links, Fettes and Inverleith Park in Edinburgh. Events are chip timed, feature prizes and optional finisher medals, with entries priced at £12 per race or £30 for all three.

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.

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.

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 biannual series around Bewl Water near Lamberhurst Kent featuring 10 km, half marathon, marathon and 50 km ultra on mixed wooded trails and quiet lanes with mapped routes and GPX files available.

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.

An inflatable obstacle course event in Bakewell on 12 September 2026 offering 2.5K to 15K options with giant inflatables, music zones and a finisher's medal. Family and group discounts, on-course water and event facilities are provided.

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 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.