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 2279 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.

An evening fell race on 3 September 2026 covering 8 km with 360 m ascent across Brown Wardle, Middle Hill and Hades Hill. Mandatory FRA kit applies and runners must reach the top of Brown Wardle within 24 minutes.

A trail 5 km race around Clowbridge Reservoir in Burnley with two anti clockwise laps, open to runners aged 11 and over. It is the first of a three week autumn series on 3, 10 and 17 September 2026.

Test your endurance at a looped off road running event featuring 6, 12, and 24 hour challenges. Enjoy a community atmosphere with on site camping and options for solo runners or relay teams on a flat farm based course.

A sunset trail event at Ickworth Park offering 5K and 10K routes across limestone paths, woodland and meadows. The 10K is chip timed, all finishers receive a medal and the event operates as cupless with water refill points.

Experience an endurance challenge along the coast with solo and relay options ranging from 50 to 130 miles. This multi day event features strictly timed checkpoints and self navigation in a stunning natural environment.

Challenge yourself on the Great Longstone Chase, a classic fell race in the Peak District with 4.8 miles of rugged trail and 290 m of climb. Limited to 200 pre entered runners, the event also offers junior races and post race refreshments.

A multi-day outdoor festival in Hope Cove, Devon combining coastal trail races from 5k to ultra, swim runs and a sea swim, with camping, family activities, forest school, live music and speakers.

A 42 km multi island marathon across four islands with boat transfers and ferry transitions that consider tides, finishing with 5 km on St Mary’s. The race is self-sufficient, requires starting with 3 litres of water and is limited to 150 p..

Scenic mixed terrain races follow the Thames from Remenham Farm, with a Half Marathon, a 10K and a junior out and back. Entries include chip timed results, a themed medal and free race photos.

A *10 km* trail race in Malham, part of the Due North Trail Trilogy, passing Malham Cove and Malham Tarn with a climb to Weets Top and a long descent. Includes drinks stations, a post-race meal, merchandise and age-category prizes.

A guided, hilly 30 mile ultra along the Jurassic Coast on Saturday 5 September 2026, passing Corfe Castle, Kimmeridge Bay, Swanage and Old Harry Rocks. Group-led with a provided kit list and an entry fee of £45 per person.

Experience a 30 mile ultra marathon along the scenic ridge tops of the Rhymney Valley Ridgeway Walk in South East Wales with no time limits and full course support.

A seaside trail event in Hornsea on the Trans Pennine Trail offering multiple distances from 5k to marathon, flat good-quality paths, marshalled course, cupless feed stations and bespoke medals with post-race treats.

A charity trail running festival centred at Colne Valley High School, Huddersfield, offering 50mi, 50km, 27km, 10km and a junior 1.4km run with waymarked circular routes, mandatory kit and staffed feed stations.

A multi-distance trek on the South Downs Way on 5 to 6 September 2026, starting in Eastbourne and passing Beachy Head, the Seven Sisters and Arundel. Distances of 100 km, 50 km and 25 km include covered rest stops, GPS tracking and medical..

Two linked fell races in Hayfield on 5 September 2026 offer a full 24.5 km AL route and a shorter 16 km BM option. A single entry covers both races, the field is capped at 200 and entries are handled through SiEntries.

An inflatable obstacle course 5K in Edinburgh, Midlothian on Saturday 5 September 2026, presented as the 2026 edition of the Inflatable 5K. A participant review notes a positive family experience with multiple people taking part.

Experience an incredible five stage triathlon challenge in the Lake District featuring a Windermere swim and a mountain run to the summit of Scafell Pike. This 112km course offers a unique and rewarding endurance experience.

Experience a 102 mile self navigation mountain race through Snowdonia Eryri National Park. This event features 5172 m of elevation and 11 supported checkpoints for qualified ultramarathon runners.

Trail running across Kielder Forest from Kielder Castle with distances from 5 km to a 52 km ultra, camping on site and outposts providing snacks and self serve water.

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