Trail Running Calendar United Kingdom 2025-2026

Welcome to the most comprehensive guide to trail races in the UK for 2025-2026! Our curated list features an impressive 1363 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.

Challenge yourself on the wild moorland of Blubberhouses at the Blubberhouses Moor Challenge Event on Sunday 22 March 2026. Online entries are open for a scenic North Yorkshire outing that rewards grit and views.

Join the Red Warrior Challenge at Margam Country Park on 22 March 2026 for mixed terrain races offering 5K, 10K and 20K options. Solo runners and canicross teams welcome at this sixth annual celebration of trail fun and challenge.

Join the Y2Y North Downs Trek / Run on 22 March 2026 for a scenic trek along the North Downs Way to YMCA East Surrey, Redhill. Choose 26.2 or 14 miles, enjoy support stops and finish with a commemorative medal and technical t shirt.

Thornbridge Brewery in Bakewell hosts the TFG Beer & Pudding Races, with 7 km and 13.5 km scenic trail routes in the Peak District. Waymarked courses and small group starts lead to a brewery finish where beer and Bakewell pudding await.

Run the Windsor Trail Run on Sunday 22 March 2026 at Alexandra Gardens, a flat, well marked trail with distant views of Windsor Castle. Choose 10K or Half Marathon with chip timing, post race goodies and an event village to celebrate.

Run the dramatic Cheviot Hills in this 11 mile fell race on 22 March 2026, tackling climbs up The Cheviot and Hedgehope for big views and serious ascent. Timed race with medals and marshals makes it a classic spring fell challenge.

Take on the scenic Rochdale Canal at Canalathon Ultra Running Festival with distances from 10 km to 100 km to suit every runner. Enjoy flat towpath routes, marshals, aid stations and a canal side finish at Sowerby Bridge Cricket Club.

Test your endurance at the Elephant Challenge in Salcey Forest on 24 March 2026, a timed 6 hour event where you run as many 3.5 mile off road laps as you like. Enjoy scenic forest trails, an optional medal or tree token and a chance to supp..

Join a guided 10km trail run at Hankley Common to explore the Lion's Mouth Atlantic Wall and scenic filming locations. Led by an experienced coach, this social group run offers kit advice and chances to trial trail gear.

Take on the Elephant Challenge at Salcey Forest on 24 March 2026, tackling repeated 3.5 mile loops over six hours. Runners, walkers, canicross and ruckers welcome, with an option to support Roald Dahl charity.

Experience the Petzl Night Trails 10K at Salcey Forest under torchlight, with Petzl demo head torches on site. Enjoy a flat two lap trail, a canicross option and post race hot drinks plus a medal or tree planting token.

The Moel Famau Easter 'Piece of String' Race is a fun and inclusive outdoor event held at the start of the Easter holidays. Participants can enjoy a scenic run on the region's popular hill, with routes ranging from 6 to 12 kilometers that a..

Beyond Bristol offers scenic 25 km and 55 km trail routes from Museum Square. Race under the Clifton Suspension Bridge, through Leigh Woods and along riverside and railway paths, with feed stations and a finisher medal.

Tackle 11 km of steep climbs and technical descents across Reeth and Arkengarthdale Moor at the Fremington Frenzy on 28 March 2026. Expect rugged single track, stunning moorland views and friendly post race cakes and coffee.

The Way of the Dead is a challenging 50k running event traversing Dartmoor from east to west, organized by Wild Running. Participants can compete solo or in pairs, with live GPS tracking and three checkpoints that also serve as feed station..

Run the traffic free Monsal Trail from Bakewell on 28 and 29 March in this two day weekend event. Choose a scenic Half Marathon or 10k that threads through four tunnels and across the Monsal viaduct with sweeping Derbyshire Dales views.

Join the NAV4 Daffodil Run and Walk at Pooley Bridge for scenic out and back routes to Hallin Fell, with 6, 10 and 13 mile options over trails and open fell. Finish with village hospitality and refreshments at Pooley Bridge Memorial Hall.

Tackle a scenic, hilly timed challenge at Pippingford Park with 10 hours to complete up to ten laps of roughly 3, 4 or 5 mile loops. Enjoy rugged trails, basic camping and a finisher medal and coloured shirt to celebrate your day.

Run through the stunning Lake District at the Grasmere Wild Trail Runs on 28 March 2026, with scenic 5 km and 10 km routes past Grasmere and Rydal waters. Canicross friendly, every finisher gets a medal, Wild Deer merchandise and a snack.

DalesRunner 20 invites trail runners to tackle the rugged Yorkshire Dales around Reeth and Arkengarthdale Moor. Expect very hilly, technical single track with steep climbs and wild descents on a fully marked route. Entries are limited.