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 2216 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 largely off road 10 mile multi terrain race at Stover School near Newton Abbot, routing through Stover Country Park and nearby fields, with a 1 mile fun run, age and safety rules, on course cutoff and prizes for multiple categories.

Scenic out and back races along the Thames Path from Petersham & Ham Sea Scouts HQ to Barnes, offered as 10 km, half marathon and marathon options with staffed checkpoints and medical cover.

A club organised 12 km fell race with about 490 m of ascent around Old Town, Hebden Bridge, including a flagged section through the private Castle Carr estate. Pre-entry is required and strict FRA kit rules apply.

A long running cross country race through the valleys of the rivers Dove and Manifold near Thorpe, featuring a river crossing at the Stepping Stones. A Mini Dash offers a shorter 1 1/4 mile race for U12s.

A 21.7 km half marathon across Swaledale moors on 4 October 2026, starting and finishing at The Dales Bike Centre. The route uses moorland trods and hard packed tracks, includes mandatory kit and aid stations but no cups.

A trail half marathon in the Quantock Hills on 4 October 2026, featuring technical forest trails, moorland and stream crossings, with marshals, two feed stations, awards and weekend camping and bunk house options.

A roughly 42 km trail run through Swaledale and Wensleydale on 4 October 2026, featuring moorland tracks, grassy pasture and a self-navigated Wensleydale loop. Mandatory kit is required and aid stations provide water and food.

A charity 5 mile off road trail race through Cawston Park in Norfolk, chip timed and marshalled, raising funds for Norfolk Lowland Search and Rescue with on site parking and refreshments.

A Thames Valley LDWA challenge walk in Marlow offering three mapped routes of about 25km, 40km and 50km with checkpoint cut offs and a 150 entrant limit. Entry fees differ for LDWA members and non members.

Multi-terrain 10 km and 5 km runs around Thompson, Norfolk, with bespoke medals for all and trophies for top finishers. Proceeds support the Thompson Millennium Green Charitable Trust.

A lap-based trail event at Mill Marsh Park on 04 October 2026, with a 5.3 km lap that can be repeated for distances from 5 km to ultra. Flexible start times, a 7 hour time limit, and medal or lower-cost no-medal entry options are offered.

A 10 km trail race along Bridlington sea-front, Sewerby and Danes Dyke on 4 October 2026. Trophies for the top three men and women, medals for all finishers, 2.5 hour time limit and headphones are not permitted.

A junior fell running race in the Pennines for ages 6 and up. The 2 km course starts near a classic pub. Entry is available on the day.

A 50 mile coastal ultramarathon along the Essex saltmarshes, starting at South Woodham Ferrers Rugby Club and finishing at Maldon Promenade Park. Fully supported with aid stations, GPX route files, a shuttle option and a 15 hour cut off.

A traffic free one lap 5K through Roundhay Park that passes the lake and climbs to the Mansion House. Entries are limited to 300, chip timing is provided and finishers receive medals and individual prizes.

A MacTuffX functional fitness race in Brierley Hill on 4 October 2026 combining ten Xercises with repeated runs in solo, doubles or relay formats. Standard and LITE weight divisions are available with individual and team entries.

A community organised 10 km race at Imberhorne School on 4 October 2026 that uses bridleways and residential roads, is fully marshalled and raises funds for local charities.

Half marathon and 10 km races at RAF Greenham Common in Thatcham, Berkshire. The traffic free, flat course has water stations, free parking and a children's race paid on the day for £5; proceeds support New Life Special Care Babies.

An off road marathon from Salisbury to Winchester on 4 October 2026, run mostly on historic country tracks. The event offers full, half and a five mile mini, includes buses and finisher items, and raises funds for local charities.

Castle Carr is a 24 km fell race in the South/West Pennines near Hebden Bridge on 4 October 2026, with about 1200 m of ascent and official FRA permit and insurance.

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