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 2195 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.

Self-navigated trail races in the Peak District offering 41, 26.9 and 15.5 mile courses with large ascent, stocked checkpoints and a finisher medal. Courses start in Edale near the train station.

A summer ultra on the Community Forest Path near Bristol with a 45 mile full loop and a 30 mile partial loop. The event features four checkpoints, bespoke finisher medals, timed tracking from 2026 and a mandatory kit list.

An inflatable obstacle run in Newcastle with looped 2.5k laps and distance options of 2.5k 5k 10k and 15k, music zones, finisher medal, on course water and family and group discounts.

Trail half marathon and 10k around Carsington Water on 22 August 2026, run on marked trail paths with marshals and an event village. GPX files are available for both courses.

A 19.5 km fell race around Hartsop with 1,370 m of ascent. The route visits Rest Dodd, the col beneath High Raise, Kidsty Howes, Nan Bield Pass and Gray Crag and includes a 70 minute cut off for CP2.

A challenging fell race in Northumberland's beautiful countryside. The 5.8km route features 300m of climb and is part of the regional championship. Entry is available on the day.

A 33 km fell race across the Ochil Hills with 1770 m of ascent, starting at Glen Sherrup and finishing at Stirling University. Summit controls mark the route and runners must carry compulsory map, compass, whistle and waterproofs.

Summer Extravaganza offers five distances on a flat canal towpath near Kirkstall, Leeds. The event includes regular feed stations, marshals, a bespoke finisher medal and food options at the finish.

Phoenix Afterglow is the third event in Phoenix Running's 2026 Summer Series, featuring timed laps on a 5.3 km out and back course along the River Mersey. Participants have a seven hour limit and receive a finishers' medal.

A 10th anniversary trail ultra around the Loch Eck Loop on 22 Aug 2026. The solo race is 52.22 km with 983 m ascent and a three leg relay is available; the course is signposted with two checkpoints and finisher goodies.

Run the Borders follows the waymarked Borders Abbey Way around the Scottish Borders, visiting four ruined abbeys. It offers a full 109K, a 50K and a four person relay with checkpoints, drop bags and mandatory kit.

A short hill race of about 3.5 miles with 700 feet of climb held as part of the Glenurquhart Highland Games in Drumnadrochit. Entry fee £10 and minimum age 17.

A 7 hour time challenge at Dare Valley Country Park where runners pick their distance from a 3km minimum. The event features a cupcake magnet medal, a baking competition, aid tables with vegan options, and free parking.

Trail races at Wendover Woods feature a half marathon, 10k, 5k and junior race across steep woodland with 181 m of climb. Entries include a themed medal, free photos, chip timing and post race goodies.

A 52 mile route across the South Downs National Park with 7,000 ft of ascent and a 23 hour time limit. Starts and finishes at Plumpton College and visits multiple villages with seven staffed checkpoints offering food and drink.

A short fell race in Burnsall with a steep 274 m climb over 2.4 km. Entry on the day is available for £6 and junior races run alongside village sports.

An 8.8 km (5.5 mile) fell run around Pen Y Gwely reservoir near Rhydycroesau, featuring tracks, paths and fields with 225 m of climb. The course is partially marked, entry is £7 on the day and the minimum age is over 15.

A 10 km marked trail around Bertha Loch and Almondbank with technical and muddy sections, woodland terrain and handcrafted finisher medals. Routes change by season and the August run accompanies a 12 hour lapped event.

A 12 hour trail challenge on a 10 km loop around Bertha Loch where runners go solo or in teams. The event features chip timing with live results, water on course, medics, marked marshalled trails, prizes and medals for finishers.

A seven mile trail race in Carron Valley Forestry on 22 August 2026, following an undulating loop toward Meikle Bin and back past Carron reservoir. The event is limited to 200 runners, chip timed, with funds shared between two charities.

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