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 1293 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 the rugged Ilkley Skyline on 15 August 2026, a 22 mile, 3000 ft fell run across eight moors including Beamsley Beacon and Round Hill. Start and finish outside the Hermit Inn in Burley Woodhead for classic moorland panoramas.

Take on the Foxton Hound Ultra on 15 August 2026 at Winwick Hall in Northants with 50k and 100k options that traverse scenic villages, Foxton Locks and the Naseby battlefield. Aid stations, hot food, medals and prize places await.

Choose 50 km or 100 km along the scenic Speyside Way, from whisky country to a coastal finish in Buckie. Well supported and steeped in tradition, this Scottish ultra offers big views and testing terrain.

SkyRun Eryri in Rhyd Ddu, Snowdonia on 15 August 2026 offers four mountain races from a 16 km trail to a 55 km ultra across rugged, technical terrain and stunning peaks. Staffed aid points and bold climbs await adventurous trail runners.

The Black Bull 15 is a charity trail run held near the Black Bull pub in Chelmsford. It offers two distances: a 15-mile trail route and a 15km option for shorter, faster runs, jogs or walks. The course uses varied trail surfaces through par..

Experience the Two Tunnels in Bath, a unique run through two lit, surfaced railway tunnels and rolling paths. Options span short Colourburst runs up to marathon and 50 km distances, with proceeds supporting Sustrans.

Explore the private grounds of historic Lambton Castle on scenic woodland and field trails with 5, 10 and 15 mile options. Chip timing, bespoke medals, event merch and on site parking; one well controlled dog per runner welcome.

Run a scenic 13.65 mile half around Morland on 16 August 2026, mostly off road through rivers, woodlands and Eden Valley villages. Partially self navigated with mixed terrain and a finisher medal and t shirt included.

Tidal Trails brings beach running to South Shields with scenic sand and Leas grass routes plus fun options from 2 km to an 8 km run and barefoot sprints. Enjoy live music, food stalls and family games for a festival day by the sea.

Take on the Henfield Half Marathon for a scenic off road 13.1 mile challenge along riverbank and a disused railway, finishing at Henfield Leisure Centre. Enjoy on site facilities, refreshments and a finishers medal.

Run the Southampton Running Festival on 16 August 2026 at Southampton Common with 5K, 10K, half marathon and junior races. Scenic laps through woodland, ponds and parkland, plus an event village and a focus on sustainability.

INFERNO in Edale on 22 August 2026 offers brutal Peak District trails from 10 miles to a 41 mile ultra, with muddy sheep tracks, rocky descents and a climb by a waterfall. Expect tough terrain, solid support and a hard earned medal at the f..

Summer Green Man Ultra offers scenic self navigated 45 or 30 mile loops around Bristol's Community Forest Path with checkpoints and a shared finish at Ashton Park School. Competitor tracking and finisher medals make it extra rewarding.

The Gateshead Trail 10k is a scenic, traffic-free 10-kilometre trail race in Swalwell, Gateshead, weaving through the Derwent Walk Country Park. The fast course features wide paths, only a few inclines, and a double-loop at the top, keeping..

Scenic trail run near Crickhowell offering 6 mile to 32 mile ultra options on 22 Aug 2026. Rugged climbs, sweeping Brecon Beacons views, well stocked aid stations and full race support.

Run scenic, undulating trails around Carsington Water with a half marathon or 10k option, each kilometre marked and marshals on course. Enjoy a themed medal, post race goodies and a lively event village for a festival finish.

Family friendly runs through the scenic fields and trails of Scorrier House, with 2.5k, 5k, 10k and half marathon options plus a 5 hour SCORRIERGEDDON challenge. Relax in the race village with music, food and bar; no pressure and no cut off..

Take part in the Eyemouth Twilight 5K on 28 August 2026, a chip timed certified seaside run with Scott's Mini Fun Runs for kids. All finishers receive medals, a goodie bag and a Giacopazzi's gelato.

Enjoy scenic trail running and canicross around Wimbleball Lake on August 28, 2026, with 5K and 10K routes for runners and dog teams. Camping, parking and toilets on site make it a relaxed lakeside race day with medals for all finishers.

Enjoy an early evening trail run through the private Newnham Park estate in Plympton with 8 mile and 4 mile options. Canicross runners welcome and proceeds support Bowel Cancer West for a scenic charitable outing.