Trail Running Calendar United Kingdom 2026-2027

Experience a festive 6.66 km Halloween trail run starting and finishing at a local brewery in Chelmsford. Participants enjoy a costume focused event with medals and drinks for finishers in a social atmosphere.

A 32 km, 1800 m ascent mountain event at Pen y Fan featuring three separate ascents via six different paths, with Classic and 16 kg weighted categories. Navigation is required and control marshals monitor checkpoints.

Nighttime trail laps at Alice Holt Forest on 31 October 2026 with 5 km, 10 km and 15 km options. Fully marked and timed courses include one outpost per lap and on-site facilities such as parking, food and a finisher medal.

A scenic half marathon around Dalmeny Estate and Cammo Nature Reserve near Edinburgh, featuring wooded trails, riverside paths and modest climbs. Chip timed, medal for finishers and event proceeds support South Queensferry RNLI.

Join this flexible charity run along the River Mersey in Manchester. Complete as many 5.3km laps as you like in seven hours on a flat riverside course to support Save The Rhino.

A volunteer run full and half marathon around Gargrave with multi terrain loops, refreshment stations and a sustainable finisher medal. Proceeds support a participant attending the World Scout Jamboree in Gdansk 2027.

A night trail running event at Delamere Forest with a "Spooky Halloween" theme, reflective route marking, and distances including a 10k, a two-lap Half Marathon, and a 1k kids race with medals.

Winter Sugar Loaf is a 9.6 km fell race near Abergavenny on 31 October 2026 with 485 m of ascent; entry via Fabian4 costs £9. The route is partially marked, full WFRA kit is mandatory and limited parking is available.

An evening Halloween trail at Hogmoor with kids and adult loops: 3.3K, 6.6K (including canicross) and 10K. The sandy, muddy course features oversized statues, on-site playground, free parking and medals for finishers.

A waymarked lakeside event around Ullswater offering a *20 mile* low level route or a *24 mile* Challenge with higher fell sections, staffed checkpoints and a written route description for participants.

A timed, lap-based run along the Itchen Way in Winchester with 2.62 mile loops, a seven hour limit, flexible start times, an aid station with vegan options, and a bespoke finisher's medal.

A coastal run on West Wittering Beach with panoramic sea and Downs views. Offers three distances 15.3k, 10k and 5k, chip timing, on-course water, finisher medals and a canicross option.

A coastal running event in Seaham with 5 km and 10 km courses starting at the Tommy statue. A one minute silence precedes each race; live chip timing and finisher medal, T shirt and snack are provided.

Trail races of a half marathon and a 10K through Newborough Forest and Llanddwyn Beach on 1 November 2026. Courses are waymarked with marshals, an event village and a finisher memento.

An off road ultramarathon from Maiden Newton of about 35.9 miles with roughly 1,300 m of ascent, passing hillforts and coastal views. Six aid stations offer water and cake, GPX files and maps are provided for navigation.

Forest trail races at Wendover Woods on 1 November 2026 include marathon, half marathon, 10k and a junior run over a multi-lap 10 km course with varied, hilly terrain and on-site facilities for spectators.

A ten mile road race around Derwent Water on 1 November 2026, organised by Keswick AC with Race HQ at Keswick School, tarmac roads, refreshments midrace and first aid provision.

A mixed terrain trail festival at Tentsmuir Forest near Tayport offering a half marathon, 10 km, 5 km, junior 5 km and a 1.2 km family fun run with marshalled, signposted routes and charitable proceeds for the Tayport Community Trust.

Cornwall’s only all-road marathon, held in Pensilva on 1 November 2026, follows a scenic route across Bodmin Moor and the Fowey Valley. The course has about 2200 ft of elevation and a 6.5 hour cut-off; entries are open.

A 10 mile off road trail in Stonehouse near Stroud on 1 November 2026, starting with about one mile uphill followed by nine miles of undulating muddy trails. Canicross runners are welcome and there is a 2 hour 30 minute cutoff.