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 1315 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.

Run along the scenic, traffic free Tissington Trail from Parsley Hay to Ashbourne across two days of half marathons, with a gentle downhill and mixed terrain. Enter one or both days for a bespoke medal, photos and race day support.

The Bronte Half Marathon is a 13.1-mile trail race held in the scenic Bronte Country between Haworth and Hebden Bridge, Yorkshire. Known for its hilly course, the event supports Sue Ryder and offers a unique challenge alongside the Bronte B..

Event overview The Bradenham Blast takes place on Sunday 20th September 2026 and offers three trail distances: 5km 10km Half Marathon (21.1km) Routes run through beech woodland and across the Bradenham Estate in the Chiltern Hills, which..

Join the Clipston Trail Races on 20 September 2026 for a scenic half marathon or country 5 miler across bridleways, footpaths and lanes while supporting the village playing fields. Finishers receive medals and homemade cake from the WI.

Event overview The event takes place on Sunday 20 September 2026 at Raby Castle, Staindrop, Darlington, DL2 3AH. Registration opens 26/09/2025 and closes 17/09/2026. 5 km (11+) 10 km (13+) Half Marathon (15+) Standard entry prices listed..

BigSky Trails concludes the Classic Element Trail Series, sending runners from Hyde Common across open plains and winding New Forest trails with wide horizon views. Choose 18 mile or marathon and take a bespoke medal or opt for a tree.

Join the Yorkshire Weekend Saunter in Brighouse on 20 September 2026 for a relaxed run, jog or walk along scenic Yorkshire routes. Choose 5K, 10K or a half marathon and enjoy a jumble medal, hot food and a post race drink.

The 13 Valleys Ultra will take place in Keswick from Friday 25 September 2026 to Sunday 27 September 2026. You can run between 22 and 184 kilometers.

Run a scenic but challenging trail around Otley reservoirs, tackling routes from a half marathon to a 34 mile ultramarathon with steep climbs and Yorkshire crags. Limited to 200 entries and offering ITRA and UTMB qualifying points.

UTMB Index

Tackle 19 miles with about 3000 ft of ascent through Saddleworth, visiting five trig points on scenic trails and stretches of the Pennine Way. Self navigation, three manned checkpoints and hot soup at the finish make for a classic autumn tr..

Take on the scenic Cheshire Ring 100 Mile ultramarathon on 26 and 27 September 2026, part of the GB Ultras series. Expect tough but rewarding canal and countryside terrain with a well organised, permit backed race.

UTMB Index

Pilgrims Ultra on 26 September 2026 launches from Holy Island and offers 50k, 100k and 100 mile options along the scenic St Oswalds Way. Expect coastal views, Hadrian's Wall countryside, full tracking and finisher T shirt and medal.

Malham Charity Relays on 27 September 2026 is a friendly, all ages relay with mixed teams formed on the day. A punchy 1.1 km loop up Cawden Hill and back to the Lister Arms, entry £3 with all proceeds to charity.

Run the scenic Grantchester Charity Runs: choose a 10k or family friendly 3k across flat farmland near Cambridge, raising funds for Maggies and Addenbrookes Charitable Trust. Chip timing, medals and onsite refreshments.

Race scenic trails at Margam Country Park with castle views on a 5K or 10K loop. Fully marked and marshalled with chip timing, water stations and a finisher medal, ideal for new and experienced runners.

Experience the Wild Deer Scottish Trail Runs at Dalkeith Country Park on 27 September 2026, with scenic woodland trails and open estate terrain. Distances from 5 km to a 32.5 mile ultra welcome all abilities and are canicross friendly.

October 2026

Take on the rugged Pennine Way and coastal trails at the CBTE Charm Bracelet 100 and 50 in Dufton, 2 to 4 October 2026. Choose the epic 100 mile route or the tough 50 mile option with checkpoint support, GPS tracking and a finishers pie and..

Discover Dartmoor's wild beauty in OuterEdge Events' October trail races from Okehampton, with a tough, scenic 100 mile Full Circle and a 51 mile Granite 50. Expect rugged trails, big climbs, indoor checkpoints and full support.

The Run to the Sea Bournemouth will take place in Horsham on Saturday 3 October 2026. You can run 50 kilometers.

The The Maverick South Downs Trail will take place in Horndean on Saturday 3 October 2026.