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 2222 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.

Take on the Barrow Keswick Show Fellrunner on Mon 31 Aug 2026 in the Lake District: a punchy 6.5 km four mile course with 425 m climb, starting in the show ring and finishing by the showfield. Entry on the day £10, ages 15 and up welcome.

A 7 km fell race with 365 m of ascent in Machen on 31 August 2026. The route runs on steep, loose terrain so trail or fell shoes are recommended and entry is on the day with a £7 fee and age limit over 18.

A 7.4 km mountain race with 380 m ascent in the Clwydian Range, held during the Cilcain Show. It includes senior inter-regional and North Wales regional championships, junior races with free entry, and on-site facilities.

A scenic 5.6 mile undulating trail race around Upper Denby with homemade flapjack for finishers, age category prizes and a trophy for the first local man and woman home.

A trail event in Felsted on 31 Aug 2026 offering approx 10 miles or 10 km routes with written navigation only and no course markings. Entry includes a sandwich voucher and specific entry and transfer rules apply.

September 2026

A scenic 10 km fell race around Sir William Hill and Abney Moor starting and finishing in the historic village of Eyam, with a 3 km junior run, prizes from the Barrel Inn and a barbecue and bar in the courtyard afterwards.

A short but steep fell race held during Kilnsey Show on 1 September 2026, featuring a rope-assisted rock chimney descent for seniors, junior crag races with scree descents, limited pre-entry for seniors and specific footwear requirements.

Muker Show Fell Race is a short fell course that crosses a river and climbs to Fremington Edge, about 2.25 km with 170 m of climb. It includes youth categories, has no Under 9s class and counts for the BOFRA Senior Championship.

A short evening fell race of about 8 km and 360 m ascent featuring a tough opening climb, a rollercoaster route over local summits and a field finish. Mandatory FRA kit, an enforced cut off on Brown Wardle and a minimum age of 18 apply.

A trail 5k around Clowbridge Reservoir on a popular route off the Pennine Bridleway. The event is the first of a three race autumn series on 3, 10 and 17 September 2026 and is open to runners aged 11 and over.

A sunset trail event at Ickworth Park offering 5K and 10K routes across limestone paths, woodland and meadows. The 10K is chip timed, all finishers receive a medal and the event operates as cupless with water refill points.

Experience an endurance challenge along the coast with solo and relay options ranging from 50 to 130 miles. This multi day event features strictly timed checkpoints and self navigation in a stunning natural environment.

Challenge yourself on the Great Longstone Chase, a classic fell race in the Peak District with 4.8 miles of rugged trail and 290 m of climb. Limited to 200 pre entered runners, the event also offers junior races and post race refreshments.

A coastal festival near Hope Cove, Devon combining trail races from 5k to ultra with swim runs, a sea swim, camping, family activities, forest school and evening music.

A 42 km multi island trail marathon across the Isles of Scilly with boat transfers, marked coastal routes and organised support. Entry is limited to 150 runners and competitors must be self sufficient with a minimum of three litres of water..

A multi-terrain off-road race of about 4 miles in Shotton on 4 September 2026, with pre-entry fees (£10, £8 affiliated), prize categories by age, a minimum age of 17, and a 200-person entry limit.

A mixed terrain trail along the Thames at Remenham Farm in Henley on Thames offering a half marathon, 10K and a junior race, with chip timed results, a themed medal and free race photos.

A 10k trail race in Malham forming the third event of the Due North Trail Trilogy. The route passes Malham Cove and Malham Tarn and climbs to Weets Top before a long descent; drinks stations and a post race meal are provided.

A **30 mile** ultra run from Studland Bay around the Isle of Purbeck with about 4600 ft elevation. The guided coastal route uses the Purbeck Way and South West Coast Path and passes Corfe Castle, Kimmeridge Bay, Swanage and Old Harry Rocks.

A new *15 mile* trail event in September 2026 on the Rhymney Valley Ridgeway Walk, with 2,267 ft of ascent, mostly off-road terrain, one fully stocked checkpoint and organised entry support from Rudry to Parc Penalta.

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