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 1907 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.

Experience the Pilgrim’s Trail along the stunning Wales Coastal Path in this 21 km run from Cwt Tatws to Aberdaron. With no cut-offs, the event welcomes all abilities and includes a medal, T-shirt, and refreshments. It’s a scenic, community..

The Mersea Mix is a 7-mile self-navigation trail race on Mersea Island. Runners follow a written description on an unmarked course, starting at individual times. Entry includes a voucher for the venue's bar.

A guided *10 km* trail run from Silent Pool near Guildford, using North Downs Way and Netley Heath paths, led by a qualified guide. Group-paced, two 2026 dates, £16 entry and car parking at the meeting point.

A trail championship at Matterley Basin near Winchester on 4 March 2026, offering 10 km and 20 km races run on 5 km laps with mass starts and on-course water stations.

Join a guided 6km social run on the trails around Milngavie, illuminated by headtorch. The route explores the Clyde Coastal Path and West Highland Way. A qualified guide leads the group, with mandatory kit including trail shoes and a headla..

The MTC Winter Green Man Ultra offers 30 and 45-mile loops on Bristol's Community Forest Path. With four checkpoints and pacers guiding various finish times, it's a winter ultramarathon challenge. All finishers receive a medal and technical..

This event offers three distances—50 km, 25 km, and 10 km—through the scenic Chiltern Hills, starting and finishing in Amersham. It supports the charity Humanity Direct, with free entry available for fundraisers. The route explores villages..

UTMB Index

Trail races at Loggerheads Country Park in March 2026 offering 5 km, 5 km Canicross and a new 10 km course across riverside paths, rocky sections and stair climbs for varied trail running conditions.

A challenging 24-mile fell run across the Saddleworth moors, visiting ten reservoirs. It features significant elevation gain and three refreshment checkpoints. Full kit and pre-entry are required.

Coastal trail races between St Just and St Ives on 7 March 2026. Choose an 18 mile point to point or a 35 mile out and back with 7000 plus feet of ascent.

Run the iconic white cliffs of the Seven Sisters on England's south coast. Choose from four distances, from a 10K to a 32.5-mile Ultra, along the dramatic chalk coastline near Eastbourne. The event is part of the Endurancelife season challe..

UTMB Index

The John Muir Way Ultra Marathon offers a 50 km solo challenge and a 2-person relay on Scotland's coastal trail. Held on March 7, 2026, the mixed-surface route passes famous golf courses and heads towards the birthplace of John Muir.

A seven hour timed event on the flat canal towpath at Burton Waters near Lincoln, offering half, marathon and ultra options on a measured course. Limited to 50 entrants with transfers allowed given seven days notice.

Take on the 13th edition of the Dirty Dozen, a 12km off-road trail run through the rugged landscape of Cannock Chase. The figure-eight course passes forest paths, stone tracks, and the infamous Ditch of Doom. A shorter kids' race also offer..

This trail running event in Bedfordshire offers 25km and 50km distances through scenic, runnable terrain. It's a UTMB Index event, starting from Harrold. Finishers receive a medal to commemorate their achievement.

UTMB Index

Trail running at Hinton Admiral Estate on 7 March 2026 with 21.6 km, 15 km and 10.1 km routes; running, canicross and hike options through woodlands, heath and meadows. Finishers receive a medal, a drink and goodies.

Brutal @ Chawton offers a 5k or 10k off-road challenge on 7th March. The course combines muddy, water-filled terrain on Brick Kiln Farm with the technical trails and mining holes of Chawton Forest. A canicross option is available for runner..

Night trail races at Kielder, Grassholme and Derwent set in designated dark sky areas, with distances from 10K to 26.6 miles and a double option. The events note friendly volunteers and lively atmosphere alongside occasional signage and rou..

Tackle a scenic but testing 6.8 km fell course around Dolgarrog with 417 m of climb, hosted at Canolfan Porthlwyd. Entry on the day; minimum age 16 makes it perfect for adventurous runners.

Run scenic laps along the Thames towpath in Walton on Thames at the Ladybird Run, on flat off road trails with timed entries or a one hour rock up and run start window. Pick 5 km to ultra distances and complete as many laps as you like with..