Trail Running Calendar United Kingdom 2026-2027

Welcome to the most comprehensive guide to trail races in the UK for 2026-2027! Our curated list features an impressive 2188 trail runs across the enchanting landscapes of Scotland, and Wales. From the iconic trails of London's green outskirts to the rugged terrains near Birmingham, from Glasgow's scenic paths to Liverpool's historic routes, we've got every trail enthusiast covered.

Whether you're a seasoned trail runner looking for your next challenge or a newbie eager to explore the world of off-road running, our calendar is your one-stop solution. Dive deep into the details by searching for a specific location or simply browse through to discover new trail runs. Looking for all running events? Check out the complete Running Calendar United Kingdom on running.life.

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.

Night trail races at Delamere Forest with 10k, half marathon and a free 1k kids event. The course is marked with reflective signs, entries include a glow in the dark medal, drinks, timing and free high resolution photos.

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 run at Hogmoor with kids and adult loop options, varied sandy and muddy terrain, fancy dress encouraged, 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 night time 5k at Herons Reach Blackpool on 31 October 2026 over multi terrain parkland. Pre booked entry is required with set fees by age category and all finishers receive a glow in the dark medal.

November 2026

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.

A trail running event on 1 November 2026 at Sankey Visitors Centre in St Helens with 250 places, a minimum age of 15, and entries processed via SiEntries. Parking is very limited so car sharing is recommended.

Trail running events from Jenkin’s Field, Glenridding feature 10 km and 14 km routes with boat transfers to the start when available, compulsory kit checks for boarding, and well marked, marshalled courses along Ullswater’s eastern shore.

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