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 2014 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.

ATW St Albans Summer 10K on 19 July 2026 is a single lap, chip timed 10K around Highfield Park and the Alban Way with a grass finish and mostly traffic free roads. The event village features a free family fun run, cafes, live music and fund..

On Sunday 19 July 2026 the Wye Valley Tunnel Run near Chepstow offers Colourbust fun runs plus 10 km, half and full marathon courses along the Wye Valley Greenway, including over 1 km of tunnel, support stations and finish medals.

Gecko Gathering Harlyn on 19 July 2026 is a coastal event in Cornwall offering a 21.1 km out-and-back between Harlyn and Padstow and a 10.5 km point-to-point race, timed by a mobile app with medals for all finishers.

Trail races of 10 miles and 5 miles through Ashdown Forest featuring hard packed trails, 1568 ft of elevation and long climbs and downhills. The event includes a bespoke medal, vouchers for winners and free parking.

Experience a diverse range of distances at the Revesby Running Festival on the historic Revesby Estate. Choose from 5km to a half marathon or take on the unique Challenge The Estate individual and team events.

Join the Pete Bland 50th Kentmere Horseshoe on Sun 19 Jul 2026 in the Lake District for a challenging 19.8 km course with 1006 m of climb around classic Lakeland tops. Pre entry required; refreshments and parking at Kentmere Village Hall.

Tackle a scenic but testing 9.7 km trail in Coniston's Lake District with 732 m of climb, part of the Coniston Country Fair on Sun 19 Jul 2026. Entry on the day is £6 or included with fair admission. Minimum age 18 and teams are not allowed..

A scenic trail run in Herefordshire starting from Aymestrey. Choose between a 10-mile route with 1,800 feet of climb or a 5-mile option. The course features lanes, forest tracks, and trails.

A traditional off-road fell race on 19 July 2026 at Selworthy Beacon, about 4 miles with 1000 ft ascent and self-navigation required; entry is £12 for FRA members and £14 for non-members.

Gather your team for a 100 mile relay through the beautiful coastal and countryside scenery of South Devon. This 16 leg event supports local charities and celebrates teamwork along a stunning route starting in Totnes.

Set your own distance goal in this 6-hour trail running challenge. Runners complete as many 5K loops as they can on a scenic, 95% off-road course. Every finisher receives a medal.

Experience the woodland trails and lakeside scenery of Llys y Fran Lake in this professional series event. Featuring a timed path course through Pembrokeshire this trail run offers both ten and five kilometer distances.

Run a scenic 10k multi terrain course along the riverbank of the Ouse to celebrate the Goole bicentennial. This flat route features chip timing prizes and a celebratory atmosphere in the picturesque village of Hook.

Experience a multi loop cross country run through the scenic Surrey Hills on the tracks around Holmbury Hill. Choose between a half marathon or a ten mile distance and earn a bespoke medal at this well marshalled event.

Celebrate a 50th anniversary with a chip timed 5 mile trail race through the scenic woodland of Queen Elizabeth Country Park. This summer cross country event offers a friendly club atmosphere and post race refreshments.

The Valley Park Tour Of The Woods will take place in Chandler's Ford on Sunday 19 July 2026. You can run 10 kilometers.

A trail half marathon on the Pennine Way around Bowes, passing Bowes Castle, Blackton Reservoir and Goldsborough Carr. The route crosses moorland and streams and finishes at Bowes & Gilmonby Village Hall with on-route checkpoints.

Experience a guided three day journey through Northern Snowdonia covering 47 mountain peaks and 9000 meters of ascent. This fully supported 100 km loop offers a professional mountaineering experience in small groups.

Tackle the rugged Bowland slopes at the Hapton Fell Race, a challenging 5 miles with about 400 m of climb near Burnley. Day of entry makes it ideal for last minute plans and friendly club rivalry.

Experience a two lap trail race through 400 acres of historic parkland at Alderley Park. This five mile course features scenic views of an arboretum and lakes and includes a technical finisher t-shirt for all participants.