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 2303 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.

A trail running festival in Aberfoyle on 10 October 2026 that marks its third edition, featuring the returning half marathon and a 63 km ultra across multiple race options.

An obstacle mud run at Hever Castle on 10 and 11 October 2026 offering military style obstacles across three distances. Courses include 3K, 6K and 12K with junior entries and an event village for spectators.

A members only LDWA event of about 50 miles in two loops from Crowcombe Village Hall, with routes across the Brendon Hills and the Quantocks in autumn. Mandatory kit, live tracker and recent 30 mile experience are required.

A trail half marathon on official pathways around Rivington, starting and finishing at Rivington and Blackrod High School on 10 October 2026. Organised by Chorley Women FC, the race requires prior half marathon experience.

A 24 hour looped endurance event in Haldon Forest where runners complete one lap every hour and choose distances from 10k to ultramarathon. The final lap decides the winners and all participants receive wooden medals.

A fully waymarked, fully supported sea to summit ultramarathon from the west coast to the summit of Ben Nevis, covering 28 miles with 5400 ft ascent. The one day event includes mandatory coach transfer, pit stops and professional medical co..

A multi terrain trail event at Endcliffe Park featuring a 10k trail and a 2.5k children's fun run. The event attracts over 1,000 runners annually and uses grass, paved paths and woodland trails.

Trail races in Cannock Chase Forest on 11 October 2026 offering Half Marathon, 10K, 5K and a Junior Race with chip timing, a themed medal, free photos and a serviced event village.

The Twin Peaks Race in Aberystwyth challenges runners with ascents of both Pen Dinas and Constitution Hill on an 11.7 km route. A shorter junior race on the promenade is also available. The event features varied terrain and finishes with a..

A 13.5 mile trail half marathon from Housesteads Roman Fort to Tyne Green Country Park in Hexham. The A B route features shuttle transport, staggered group starts, live chip timing and onsite bag drop, and supports a local children's charit..

Choose a scenic 10k or shorter 5k through the Chiltern Hills around Frieth, combining woodland paths and country roads. Expect rolling climbs and panoramic views for a rewarding, hilly challenge for road and trail runners.

Trail race in an Area of Outstanding Natural Beauty around Biblins Youth Campsite, Ross-on-Wye covering approximately 6 miles or 10k on mixed trails and single track. Entry is limited to 200 runners and prizes include individual and team aw..

A 7 hour timed trail event in Durham on 11 October 2026 with flexible lap-based distances, Scare Bear themed medals from 3 km, and aid stations plus goody bags including a vegan option.

A looped *20 mile* trail race on 11 October 2026 starting and finishing inside Landguard Fort in Felixstowe. The route crosses nature reserves, estuaries and the Port and includes support stations, a long sleeve T shirt and a finisher medal..

Tackle the Viking Chase, a 12 km fell race across the North York Moors on 11 Oct 2026, featuring 572 m of climb and sweeping moorland views. Entry on the day, adults only, with proceeds to Cleveland Mountain Rescue.

Withins Skyline on 11 October 2026 is a 6.2 mile fell race around Penistone Hill Country Park, including Top Withins and Bronte Bridge. Junior races include goody bags and Halloween themed fancy dress prizes.

An off road half marathon around the Goyt Valley with about 760 m of climb, marked junctions and required full fell kit. Two water points and hot food at the finish, held in aid of Buxton Rotary.

The Titsey Trail 10k is a community running event held on Sunday, 11th October 2026. Organized by runners for runners, it raises funds for a variety of local charities.

Grafham Water Trail Races on Sunday 11 October 2026 feature fully marked trail races from Marlow Park with 10k and half marathon options, water stations, on-course first aid, medals for finishers and prizes for top males and females.

A community fundraising running event in Old Basing featuring chip timed 10K and 6K trail races plus a 2K family fun run. The event offers medals, prizes and refreshments with proceeds supporting Friends of Old Basing Schools.

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