Trail Running Calendar United Kingdom 2026-2027

A 50 km ultramarathon from Diss to Norwich along the Boudicca Way, limited to 250 entrants with a 10 hour time limit. Entry includes checkpoints, GPS tracking, first aid, a medal and a light meal at the finish.

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 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.