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 1402 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.

The Wormstones Fell Race will take place in Glossop on Wednesday 31 December 2025.

January 2026

The LDWA's Hangover Hike is an annual winter walking and running event held in Dewsbury, West Yorkshire, starting and finishing at The Leggers Inn. Participants can choose from three circular routes of 10, 17, or 21 miles, all converging at a main refreshment checkpoint, allowing flexibility to shor..

The Punk Panther Green Gateways will take place in Otley on Thursday 1 January 2026. You can run between 13 and 34 miles.

The Knacker Cracker is renowned as "Britain's toughest 10k," featuring a challenging course that includes significant elevation changes, with a total ascent of 473 meters. The race, set in the scenic surroundings of Box Hill and Denbies Vineyard, offers a unique experience for runners, including a k..

The Bell Challenge Day 5, organized by Running Events Devon, takes place on January 2, 2026, in Exmouth, Devon. This 7-hour timed event features a mainly flat, 5.3 km out-and-back course along a scenic, disused train line, fully paved and accurately measured as a road race. Participants of all abili..

The Walter Raleigh Round Half Marathon is a scenic 13.6-mile race starting and finishing in Budleigh Salterton, England. The course explores the birthplace and childhood countryside of Sir Walter Raleigh, featuring quiet back lanes, unsurfaced county roads, footpaths, the Otter Valley, High Peak, th..

The Hardmoors 30 is a challenging 31-mile winter ultramarathon held in North Yorkshire, England. Starting and finishing at Fylingdales Village Hall in Robin Hood’s Bay, the circular route traverses scenic coastal and moorland paths including the Cleveland Way cliff tops and the Cinder Track. Key che..

The Loch Morlich Running Festival, organized by Fitnessat58°, is an annual event held in Glenmore Forest Park, finishing at the scenic Loch Morlich beach. Scheduled for January 3, 2026, this festival offers two trail running distances: 5.6KM and 11.2KM, with trail shoes recommended due to the forest..

The Hardmoors 15 is an 18-mile circular trail race starting and finishing at Fylingdales Village Hall in Robin Hood’s Bay, North Yorkshire. The course follows scenic routes including the Cinder Track and Cleveland Way, featuring approximately 1,700 feet (518 meters) of ascent. Designed as a winter u..

The East Hanningfield Trail Marathon is a challenging off-road race held around the village of Danbury, starting and finishing at East Hanningfield Village Hall. The 26.2-mile circular course is approximately 95% off-road, featuring diverse terrain and navigated using written instructions rather tha..

The Acorn South By Five event at Bellahouston Park is part of a signature 5km running series held across six Glasgow parks over 12 weeks. Runners can participate in individual races or the full series, with five out of six races required to complete the challenge and earn the title "Fiver." The Bell..

The Brampton Trail Run is a 7-kilometre trail race held on the edge of Brampton, Cumbria. The course features an undulating, mostly off-road route with varied terrain and scenic views, making it a great way to start the new year. Participants are advised to wear trail shoes due to potentially muddy..

Dark Skies Surrey Hills is an exhilarating night trail running event set in the picturesque Surrey Hills, featuring races of 10 miles, 10K, 5K, as well as Canix and children's races for ages 3-11. Participants navigate through enchanting woodlands under the stars, illuminated by headlamps, making fo..

The Fitstuff G3 Series No.1 is a trail running event held at Newlands Corner, Drove Road, Guildford, Surrey. Participants can choose between 10km and 15km distances, with options to enter multiple races as part of bundled packages. The event features a scenic trail course starting from Newlands Corn..

The Winter Wipeout! is a challenging half marathon event set in the depths of winter, taking participants to the summit of Hedgehope and back. Scheduled for January 10, 2026, this event tests runners' resilience against harsh winter conditions, including potential sleet, snow, and strong winds. The..

Endurancelife North Cornwall is a trail running event set in the scenic village of Polzeath on the rugged North Cornwall coast. The races start on Polzeath's golden beach and traverse miles of unspoilt coastline, including the stunning Pentire Peninsula, peaceful fishing villages, and picturesque va..

UTMB Index

The Yorkshire Trail Runs at Harewood House, Leeds, offer scenic trail running across over 1,000 acres of gardens, woodlands, and farmland. Set in the heart of Yorkshire, this event features three distances: 5km, 10km, and a half marathon, catering to runners aged 11 and above. The 5km suits beginner..

The Hamsterley Forest Winter Trail Races, held at Hamsterley Forest Park in County Durham, offer a half marathon and a 10k run through crisp, undulating forest trails and tracks. The course features a mix of hard-packed gravel, twisting dirt paths, and occasional muddy bridleways, suitable for both..

The Country to Capital Ultra is a renowned 43-mile ultra marathon starting in Wendover and finishing at Little Venice, London. As the official opener of the UK ultra running season, it attracts runners worldwide to tackle a scenic and challenging course that includes Buckinghamshire countryside, cro..

The Skipton Sweetie Skedaddle is a scenic running event organized by It's Grim Up North Running, taking place along the picturesque Leeds and Liverpool Canal. This out-and-back race offers a variety of distances, from 5K to Ultra, catering to runners of all skill levels, including novices and experi..