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 2299 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.

TrailFest at Holdenby House offers four traffic free trail distances inside a private estate, with routes on farm tracks, field edges and through a small wood, plus rolling hills and open countryside views.

A one lap 10K trail run through Yarrow Valley on 13 September 2026, routed along woodland paths and riverside trails with crossings of the River Yarrow. Based at the Flaming Grill Pub, entry is listed at £16 and every finisher receives a me..

An annual trail event on rough tracks around Ashtead Common offering a 10K and a 2k kids run while raising funds for local charities. The undulating course forbids earphones and encourages low impact travel to the nearby train station.

A 30K run in North Berwick with solo and three-person relay options, plus a scenic 10K circular walk. Chip timing, medals and event t-shirts are provided, and part of the proceeds support Scottish Veterans Residences.

Trail event on 13 September 2026 at Burton Pidsea Memorial Hall with a 10K, a 5K and a children's fun run. Online and on the day entries are available with separate affiliated fees.

A single-lap trail race in Colne Valley covering 6.0 miles with 300 m ascent, marshals and waymarks, finishing at Zapato Brewery with prizes for top finishers.

Experience an annual fun run at Barton Abbey in Oxfordshire featuring 10k and 5k courses on undulating terrain. Join several race distances or a flexible family fun run to support the maintenance of Steeple Barton Church.

SOX 10 km on 13 September 2026 at Ridgeway View Campsite near Wallingford features a multi terrain 10 km and a canicross 10 km, finishers get a medal, pint cup and free drink while fundraising supports the Thames Valley Air Ambulance.

A 6k forest run around Moreton on woodland paths with the last kilometre on a quiet country road. Held at Moreton Village Hall for participants aged 14 and over, with medals for all finishers.

Timed laps on a 5.3 km riverside course along the Thames allow runners to build distances from 5 km up to ultras. First 50 entries receive a black and yellow plushie and a Feisty mini me medal; a no medal option is available.

A 10 km fell race at Seatown and Chideock Hill on 13 September 2026 with about 570 m of climb. Entry is available beforehand or on the day for a £20 fee and the minimum age is 18.

A 12 km canitrail and trail run in aid of PAPYRUS at Halo Ogmore Valley Life Centre in Ogmore Vale on 13 September 2026, held in person with a stated ticket price and a no refunds policy.

An annual mid September mountain navigation event in the Lake District at Seathwaite Farm, Borrowdale. Courses range from a Classic of about 25 miles and 8000 feet of ascent to shorter options; maps, electronic punching and post race food a..

A running festival at Glamis Castle offering 1 mile, 5k and 10k routes to run or walk in support of Maggie's Dundee. Registration is £30 and entrants receive a t shirt and finishers medal.

Teddy Bear Run in Aston Park, Birmingham brings families together for 2.5K or 5K courses, a finisher teddy, and a teddy bears picnic. Participants are invited to fundraise for Birmingham Children’s Hospital with a suggested minimum of £10.

A seven-hour lapped trail event near Hitchin on a 5K off-road loop, with a Mini Mile and virtual option, event village amenities, parking and some proceeds donated to a local charity.

An off-road, timed 5K and 10K in the Essex countryside with a fully marshalled footpath route, village-hall finish, and fundraising support for the local Scout Group and tree-planting.

Defeat Delamere is a community running event at Delamere Forest on 13th September 2026 offering 5k, 10k, 16k and a Junior Race with race packs, finisher medals and t shirts included.

A trail 5k around Clowbridge Reservoir on two anticlockwise laps from Rossendale Valley Sailing Club. Part of a three race series in September 2026, open to ages 11 and over with about 25 m total elevation.

An eight-day, supported 185-mile ultramarathon along the inhabited Outer Hebrides, following the Hebridean Way with an extension to the Butt of Lewis. Accommodation, most meals, transfers, pit stops and professional safety cover are include..

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