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 1888 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.

Tackle a 45 or 30 mile ultra run on a loop around Bristol. Starting from Aston Park School, the event offers two challenging distances. Registration closes on 21 August 2026.

Take on the Gateshead Trail 10 km through Derwent Walk Country Park on 22 Aug 2026. Enjoy mostly gentle trails and a social double loop. Finish in a lively village with food, music and coffee and grab a designer medal bottle opener.

The Beast of Llangattock is a Welsh trail running event with four distances, from 10 km to a 32-mile ultra. Routes showcase panoramic mountain views, open moorland, and historic trails. The event features well-stocked checkpoints, mandatory..

Trail half marathon and 10k around Carsington Water on 22 August 2026, on marked and marshalled paths. The event includes an event village with food and finish-line goodies and a discounted event t-shirt with entry.

The Hartsop Hop is a challenging 19.5 km fell run with 1370m of ascent, starting from Hartsop in the Lake District. Runners face significant route choices and a strict cut-off point. The course finishes with a steep final descent back to th..

Test yourself on the Falstone Falcon, a classic Northumberland fell race: 5.8 km with around 300 m of climb over rugged moorland. No pre entry needed, just turn up for £2 and race under FRA permit.

A long fell race across the Ochil Hills from Glen Devon to Stirling University, visiting multiple summit controls. The route includes two marked sections, mandatory navigation kit, and pre entry or limited on the day entry.

Choose from five distances on a fast, flat canal towpath course near Leeds. Enjoy a supportive atmosphere with multiple aid stations and finish-line treats like a BBQ roll and a bespoke medal. It's a popular event with a social focus.

Final event in the Phoenix Running 2026 Summer Series at Chorlton Water Park. Timed laps on a 5.3 km out and back riverside course let participants cover distances from 5 km up to ultra and all finishers receive a bespoke medal.

Celebrate 10 years of the Dunoon Ultra Marathon in the Scottish Highlands. Choose between a challenging solo ultra or a team relay on stunning, fully-marked trail routes. All finishers receive a medal, race bag, and post race refreshments.

Run the Borders is a 109 km loop on the Borders Abbey Way passing four ruined abbeys and historic towns. Options include a 50K, the full 109 km and a four person relay on mixed tarmac, trails and riverbanks.

A short, sharp hill race held as part of the Glenurquhart Highland Games. The 3.5-mile course climbs 700 feet, with much of it visible from the main field. It finishes back in the arena with a highland welcome.

Run your chosen distance on the scenic paths of Dare Valley Country Park. This 7-hour time challenge offers distances from 3km to ultra, with a unique cupcake medal for all finishers. Enjoy a bake-off themed aid station and post-run goody b..

Hit the trails at the Wendover Woods Running Festival in August 2026. Choose from a Half Marathon, 10K, 5K, or Junior Race on scenic woodland paths. Enjoy chip timing, a themed medal, and free race photos.

Gecko Gathering at Scorrier House in Redruth on 23 August 2026 offers trail races from 2.5 km to a half marathon plus a five hour Scorriergeddon endurance challenge, with a race village, music, food stalls, medals and awards.

A point to point mixed terrain run from Mayflower Park, Southampton, following The Old Way with a short river boat crossing, historic landmarks, sticker-collecting race bibs and options for coach transport and alternative eco medals.

A scenic 21km trail race taking place around Derwentwater and the Borrowdale fells. The well-marked, hilly course starts at Lingholm and finishes in Keswick, with a medal for every finisher. It is open to runners aged 17 and over.

A mountain trail marathon from Keswick that climbs Scafell Pike over a 44 km route with 1800 m of ascent. The mountain section is unmarked so navigation skills, mandatory kit and a printed map are required.

A new trail marathon and 50k ultra in the West Sussex countryside. Starting at Lancing College, the course ascends the South Downs Way to iconic landmarks like Chanctonbury Ring. It features aid stations, chip timing, and a bespoke finisher..

A trail event in Afan Forest Park offering two measured routes of about 6.5 miles and 10.5 miles with substantial climb and prize categories. A separate one mile Mini Beast for children includes a finisher medal and sweets.