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 1841 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.

Tackle the classic Doctors Gate Fell Race around Old Glossop: 12.7 miles with nearly 3000 ft of ascent across Pennine ridges and moorland. Expect big climbs, rugged terrain, finish line food and a prize presentation.

Magna Carta Winter on 21 February 2026 offers flat riverside 10 km, half and marathon routes along the Thames starting at Wraysbury Skiff & Punting Club. Enjoy marshalled turns, chip timing, medals and pro support on a highly rated course.

Looped trail and road races in Chalfont St Peter where runners choose on the day between 7k, longer loops, marathon and ultra marathon distances with aid, pacing and crew support.

Take on Any Kind of Weather Runner at Northampton Active on 21 February 2026, a lap based six hour challenge where you can choose distances from 5K up to an ultra. Limited to 80 entrants, enjoy aid stations, a finishers medal and a goody ba..

Take on the 42 mile St Peters Way Ultra, a scenic trail ultramarathon from Chipping Ongar to the chapel at Bradwell on Sea through rolling countryside and a dramatic sea wall finish. Expect waymarked muddy trails, basic checkpoints and a tr..

Winter trail runs at Derwent Reservoir offer 5 mile and 10 mile routes over mixed terrain, with live chip timing and finisher medals. The 5 mile allows one controlled dog per runner, the 10 mile has a 2.5 hour cut off.

Races start and finish at Brickfields Park in Bath and run through the Two Tunnels, offering distances from 500m Colourburst to 50km ultra, marked routes, feed stations and a charity contribution to Sustrans.

BigMud Trails at Queen Elizabeth Country Park offers scenic single lap routes across the South Downs with two climbs of Butser Hill. Choose 16 mile, marathon or 50 km distances and enjoy hearty aid stations and stunning views.

Take on the Hadleigh Legacy 10k at Hadleigh Country Park, a single lap off road trail across footpaths, fields and steep, muddy hills. Elite and main field waves, bespoke medals and free photos make it a rewarding winter trail test.

Tackle scenic laps through Thetford Forest at High Lodge with distances from 5k to ultra on a rolling 5 km loop. Enjoy aid stations, post race teas and cake, and a community vibe with 20% of entry fees helping forest upkeep.

Tackle a winter trail at Gatton Park on 22 Feb 2026 with a choice of 5K or 10K loops. Canicross and trail runner categories, friendly social vibes and a finisher medal make it a great day for runners aged 11 and up.

A fully signed 50k trail on the North Downs Way from Denbies Wine Estate that includes 2986 ft ascent and woodland at Norbury Park. The route has four aid stations, a 10 hour cutoff and a wooden finisher medal.

UTMB Index

An off road two lap 9.5 km race at Kinver Edge and the Rock Houses with a 100 runner limit. Age 14 and over, male and female categories, prizes for the top three and a medal for every finisher.

Join the Dirt Run, a two round multi terrain series in Northamptonshire at Irchester on 25 January and Brigstock on 22 February. Choose 5 km to 15 km on mixed trails, paths and roads with a muddy hill to test you and a custom medal for fini..

Take on the Sorbrook Slog on 22 February 2026, a lively 7 mile multi terrain race through footpaths, fields and gullies around Sorbrook and Sluvad in Cwmbran. Enjoy marshals on course, post race tea and cake and a finishers goodie bag.

The Terminator 2026 is a tough but rewarding 12 mile trail race around Pewsey, Wiltshire, mostly off road with muddy climbs and high point views. All finishers receive a unique T shirt and race village treats await.

Pair up for a winter challenge across Dartmoor's Eastern Tors, starting from the Rugglestone Inn in Widecombe. This demanding 11 miles route with 830 meters of climb needs teams, required kit and pre entry for a small, limited field.

A self guided 7 miles trail race around the Moss Valley near Eckington and Marsh Lane, starting and finishing at Green Lawns Community Centre. The route passes woodland, farmland and bridleways, with written instructions and no marshals on..

Enjoy scenic Gatton Park trails with canicross and trail options over 5K and 10K, with medals and dog treats. Chip timed races, onsite parking and post race goodies make for a fun winter run with your canine companion.

Run the Knype Pools 5 on 22 February 2026 with Biddulph Running Club, a scenic 5 mile trail loop around Knypersley Reservoir. Support the mayor's chosen charity and enjoy a friendly pre race fun run and community atmosphere.