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 2277 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.

Maggie's Dundee Glamis Castle Running Festival is an in person event at Glamis Castle on Sunday, September 13, 2026. Walk or run the 1 mile, 5k or 10k routes through the castle grounds while supporting Maggie's.

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 on a 5 km loop near Hitchin with a kids mini mile, event village and a virtual option. The format lets participants run or walk as many laps as they choose and some proceeds go to 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 measured 10 km held within the private grounds of Chevening House in Sevenoaks, Kent, featuring timed results, official photography and bespoke finisher medals as part of the British Landmark Series.

A roughly 10 km multi-terrain run around Crediton, mostly off road on footpaths, fields and quiet lanes. The course is signposted, offers water at 5 km and the finish, and includes medals, goody bags and category prizes.

A ten mile mixed terrain race on 13 September 2026 along the final section of the Mull of Galloway Trail from Sandhead to Stranraer. Entry includes return bus, on course refreshments, a finish goody bag and an eco medal; a four hour cut off..

A trail 5k at Clowbridge Reservoir held as part of a three race series on 3, 10 and 17 September 2026. The route is two anti clockwise laps from Rossendale Valley Sailing Club and is open to ages 11 and over.

An eight day 185 mile foot traverse of the Outer Hebrides that completes the Hebridean Way from Vatersay to the Butt of Lewis. The supported event includes ferry transfers, daily accommodation, medical cover and mandatory kit requirements.

A multi-distance run and trek in the Peak District near Hathersage on 18-19 September 2026, offering routes from 25km to 100 miles with GPS tracking, checkpoints, guided groups, and finish meal and goody bag.

Ben Nevis Skyline is a 30 km mountain trail race at Nevis Range near Fort William, held during the Salomon Skyline Scotland weekend. The event features live tracking, big screens, an event village and was a 2025 Golden Trail World Series qu..

A multi-day mountain and trail running event at Nevis Range from 18 to 20 September 2026, offering races from 5 km to 100 miles and an event village with live tracking, food traders and prize giving.

Enjoy a flexible timed event along the scenic River Mersey at Chorlton Water Park. Choose your own distance from 5km up to an ultra marathon on this flat and fast riverside trail course.

Salomon Skyline Scotland returns to Nevis Range near Fort William from 18 to 20 September 2026 with seven mountain and trail races, distances from 5 km to 100 miles, live tracking, big screens, local traders and a prize ceremony.

An 11th edition trail ultra based in Hawes, North Yorkshire, featuring a 70 km route over the three peaks with an optional +30 km extension, on course support, cutoffs and a mandatory minimum kit list.

A 50 km autumn mountain trail race based in Hawes, Yorkshire Dales, crossing Pen-Y-Ghent and returning to the start. The course has 1280 metres of ascent, GPX and course notes are supplied, and on-course refreshments are provided.

A 12 hour Backyard Ultra on a 4.2 mile loop near Crickhowell in the Black Mountains, mixing trail and tarmac. Medals are awarded for 32 miles and trophies go to the first placed male and female on the final lap.

A multi distance triathlon in Llanberis combining lake swims, repeated open road bike laps and lake plus mountain runs on the Llanberis Path. Double and Triple entrants must use support crews for night and mountain sections.

A 50 mile single-loop ultramarathon in the Chiltern Hills around Goring on Thames, with 5,600 ft of climb, five aid stations, full medical cover and a 13 hour finish cut off. The course is mostly trail and fully marked.

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