Trail Running Calendar United Kingdom 2025-2026

Welcome to the most comprehensive guide to trail races in the UK for 2025-2026! Our curated list features an impressive 1622 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 Swinner Swagger on 4 July, a 15.5 km loop from Usha Gap Campsite through Hartlakes and along the River Swale with grassy paths, a punchy climb and scenic singletrack. Limited to 100 runners, it is a rugged, rewarding trail run.

Take on the classic 20 mile Chevy Chase across rugged Northumberland fells and the summit of Cheviot. This unmarked navigational fell race demands solid mountain kit and rewards with sweeping upland views.

Take on the Darren Holloway Memorial Race Buttermere Horseshoe on Sat 4 Jul 2026 in the Lake District. This tough 35.5 km mountain course with 2515 m of climb rewards strong trail skills and spectacular fell scenery.

Take on the Fellrunner at Heptonstall Festival, a scenic 9.5 km fell race with about 500 m of climb in the South West Pennines. Finish to live music, food stalls and a free pint; entry on the day £7.

Tackle a classic Peak District fell race from Warslow Village Hall: 10 km with 675 m of climb across moorland and steep trails. Expect challenging ascents, sweeping views and a friendly village atmosphere.

Tackle a tough 15 km hill challenge with 960 m of climbing at Dollar Academy in Central Scotland on Sat 4 Jul 2026. Expect steep, rewarding climbs, lively team competition and easy entry online or on the day.

Fen Gallop 2026 is a scenic running event held in Willingham, Cambridgeshire, featuring flat, multi-terrain courses along country roads, footpaths, and bridleways. Participants can choose between a 10K race or a shorter 4-mile option, both..

Run the scenic Chiltern Ridge Half Marathon along the ancient Ridgeway on 5 July 2026. Expect 21.1 km of chalk trail with rolling climbs, great support, and a friendly field limited to 350 runners.

UTMB Index

Join the Bishop's Stortford Mitre 10k, 5k and 1K on 5 July for traffic free village running in East Hertfordshire to support new school sports facilities. Enjoy chip timed races, a free kids 1K and a finisher T shirt or tree planting option..

Join the community spirit of the Great Hucklow Fell Race in the Peak District, a testing 10 km route with 335 m of ascent across moorland, fields and steep climbs. Finish at the village school for free flapjacks and warm local hospitality.

Enjoy the Lyme Half Marathon around Lyme Hall, on scenic Peak District trails past Kerridge Ridge and White Nancy before finishing by the Macclesfield Canal. Entry includes parking and park access, and you can choose a medal or tree plantin..

Run summer trails through woodland and hills at the Cannock Chase Forest Half Marathon and 10k on 5 July 2026. Enjoy stunning scenery, bespoke medals, free photos and parking, with routes suited to beginners and seasoned athletes.

Run around Bewl Water on 5 July 2026 with 15 mile and 5 mile off road trail options offering stunning lakeside scenery. All finishers get medals and tees and the event supports Air Ambulance Kent Surrey Sussex.

Run the Cross Fell fell race in Garrigill on Sun 5 Jul 2026, a 24 km challenge with about 680 m of climb to the Pennines' highest point. Expect epic upland scenery and a friendly village race atmosphere with on the day entries.

Join the Langdale Gala fell race in Great Langdale on 5 Jul 2026 for a short but fierce 1.4 mile course with 300 m climb and Lake District views. Entry on the day at New Dungeon Ghyll Hotel with junior races and prizes for top finishers.

Join a guided 10 km group trail run through Thursley Common nature reserve, exploring heathland, famed boardwalks and abundant birdlife. This relaxed non competitive outing is ideal for nature lovers and trail newcomers.

Join Race 3 of the Jane Tomlinson Canal Race Series on 7 July in Methley, Leeds for a flat 5 km towpath run raising funds for the Jane Tomlinson Appeal. The final meeting adds a 1.5 mile fun run, medals for everyone and a lively post race B..

Join the Stoodley Pike fell race at Todmorden on 7 July 2026 for a sharp 5 km challenge with 213 m of climb and stunning moorland views. On the day entries welcome for £5, minimum age 14; car sharing is requested.

Join the 20 Barriers fell race in Carnforth on Tue 7 Jul 2026 for a testing 8 km with about 160 m climb across classic Bowland terrain. Entry on the day is £10 and proceeds go to local charities; the race is UK Athletics insured.

Take on the MTC Hafren Ultra, a scenic 27 mile point to point run over Plynlimon to the source of the River Severn and finishing in Caersws. Expect big climbs, technical river paths and sweeping upland views.