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 2189 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.

An untimed 5k and 10k adventure run at Lyons Lane Motocross LTD in Shrewsbury on October 17, 2026. The course uses a MotoX track and includes brook crossings, hill climbs, a mud crawl and a water slide finish.

Cadair X is a 13.1 mile mountain half marathon with 1165 m of ascent that climbs to the 893 m summit of Cadair Idris. The marked route crosses woodland, glacial lakes and technical summit terrain and a GPX file is available.

A guided 10-mile trail run through the Chilterns along canals, reservoirs and past Britain’s oldest post windmill; includes trail technique coaching and a finisher’s medal for 2026. On-site parking and a 15 minute walk from the station.

The Up and Running Events - Chatelherault Country Park will take place in Ferniegair on Saturday 17 October 2026. You can run between 6 and 20 kilometers.

A *50 km* trail on the marked Brenig Way from Corwen to Llyn Brenig dam, with 1450 m ascent, varied upland and forest terrain, three checkpoints, required kit and GPS trackers provided.

Multi-distance running event in Knaresborough with 10k (ish), half, 20-mile, marathon and ultra options on a 6.5-mile loop through parkland and a converted rail track. Feed stations, finisher medal and post-race refreshments are provided.

Two trail races from Shotley Bridge, County Durham, with a **25 km** course and a **53 km** ultra that passes reservoirs, moorland and woods. The 53 km route has three feed stations, mandatory safety kit and live chip timing.

A 9.1 km fell race in the North York Moors at Sutton Bank Visitor Centre on 18 Oct 2026, with about 250 m of climb. Pre-entry only, teams allowed, minimum age 18.

A looped 8 hour ultramarathon at Delamere Forest where runners complete as many about 6 km laps as they can. The mixed gravel and trail course uses a single lap line with aid station, lap timing and a finishing medal.

Join the Aberfan Memorial Run in Merthyr Tydfil to honour the 1966 victims and support the Aberfan Memorial Charity. Choose 5 km to ultra on a scenic tarmac loop along the Taff Trail with flexible start times and official timing.

A roughly 12K off-road race on 18 October 2026 that follows bridle paths along the Imber Range and passes close to the Westbury White Horse, with limited places, age and equipment restrictions, and finishing medals for all.

An off-road 10 km through undulating bridle paths and woodland around Westacre, Norfolk, featuring optional obstacles, a ford crossing near the finish, on-site registration, a water point at 5 km, refreshments and a bespoke medal for all en..

A multi terrain trail event in Stockland, East Devon on 18 October 2026 offering 10 km, 5 km and 3 km routes across fields, lanes and river crossings, with village hall HQ and on site refreshments.

An off-road race by Town and Country Harriers on 18 October 2026 in Keynsham, about 12.5 miles long, starting near The New Inn with parking at East Car Park; the course revives the Compton Dando route and crosses a stream.

Woodland half marathon and 10k at Bedgebury National Pinetum in Kent on 18 October 2026, with traffic-free forest trails, downloadable GPX maps, medals, free photos and limited free parking.

A 3 hour mountain marathon score event in the Dark Peak. Run solo or in a pair, navigating with a waterproof map. Post race refreshments are provided.

A three hour score-format fell run in Edale on 18 October 2026 where solo runners or pairs choose their own route to collect points across Peak District hills and moors. Navigation skills and FRA mandatory kit are required.

Two trail races at Danby Lodge on 18 October 2026, offering 10 km and 5 km loops with a 150 runner limit. Entries close 1 October or when full and fees differ for affiliated and unaffiliated runners.

Trail running in Wyre Forest on 18 October 2026 with a timed half marathon and a 7.6 mile Super Seven option, finishers medals, category prizes, medical cover and fully marshalled, signed routes.

Discover Warrington's historic transport networks on this circular half marathon. Enjoy a marshalled trail route along canals and rivers with chip timing and a finishers medal included.

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