Trail Running Calendar United Kingdom 2025-2026

Stevie G Memorial Charity 10k is a 10-kilometre trail race held at Eglinton Park in Ayrshire. The route guides runners and walkers through the park’s grounds on a fully marked course, with friendly marshals to help along the way. Proceeds support the local mental health charity Release Ayrshire, as..

The Marlow Donkey is a Thames Valley LDWA challenge walk based in Marlow, Buckinghamshire, offering 16- and 25-mile routes through the Chiltern Hills. The start and finish are at Liston Hall, Marlow. The shorter course includes an 8-mile checkpoint cut-off, after which participants must revert to th..

Aliens V's Trail Runners Daylight Trail is a trail running event held near Rendlesham Forest, a popular area known for its natural beauty and UFO lore. Scheduled for October 12, 2025, the event offers both a full marathon and a half marathon, with routes that are 95% off-road across diverse terrain...

North Chilterns 50K is a 50-kilometre trail ultra starting from the Putteridge Bury Estate near Luton. The route climbs 798m+ across the North Chilterns, offering undulating ridgelines and viewpoints at Warden Hill and Barton & Pegsdon Hills. Runners follow the Chiltern Way toward Lilley, out to War..

The Breidden Hills Race, organized by Mercia Fell Runners, is a challenging fell running event set in the scenic West Midlands. Participants will tackle a distance of 11.5 km with a total ascent of 790 meters, making it a demanding course for runners. The race requires pre-registration and is open t..

Castle C’alf is a 12 km (7 mile) fell race organized by Calder Valley Fell Runners. The course climbs approximately 490 m and runs through the private Castle Carr estate, finishing in the latter part of Castle Carr Half. The event uses a flagged route starting from The Hare and Hounds pub in Chiserl..

Tywarnhayle 10K 2025 is a trail race organized by Truro Running Club as part of Cornwall's Multi-Terrain Race Series. The course starts at Mount Hawke Cricket Club and follows coastal paths around Chapel Porth, returns toward Porthtowan, then loops around Tywarnhayle Mine, offering spectacular views..

The Skedaddle Speyside 10k is a scenic trail running event held in Archiestown, Scotland, on October 12, 2025. The point-to-point course starts at Archiestown Village Square, winding through Elchies woods and offering stunning views of the Little and Meikle Conval hills, Ben Rinnes, and the Cairngor..

The ATW Holdenby House Trail & Canicross event takes place on the historic 2,000-acre Holdenby Estate in Northamptonshire, featuring a scenic 5.4 km traffic-free trail through estate grounds and surrounding farmland. Participants can choose from 5k, 10k, or half marathon distances, with laps corresp..

Comber Cup 2025, hosted by Ballydrain Harriers, takes place at Billy Neill Playing Fields, Comber Road, Dundonald, Northern Ireland. This cross-country fixture is a regular part of the Northern Ireland Cross Country League and is run on the Ballydrain course (not the Bobby Rea course). The programme..

Cannock Chase Running Festival, held at Cannock Chase Forest in Birches Valley near Rugeley, is a RunThrough UK event within Cannock Chase Area of Outstanding Natural Beauty. Runners choose from 5K (one lap), 10K (two laps), half marathon (four laps), plus a Junior Race. The undulating, mixed-surfac..

South Downs Way Ultra Run is a 30-mile trail event in West Sussex, starting and finishing on Harting Down. The route highlights the best of the South Downs Way, including Beacon Hill, Cocking Down and Kingley Vale, with sections through ancient woodland and nature reserves as it reaches toward the s..

Carnethy Skyloop is a Category A long hill race organized by the Carnethy Hill Running Club, held in the Pentland Hills south of Edinburgh. The course covers around 16 miles with about 6,200 feet of ascent, and echoes the traditional Pentland Skyline in places but follows a distinct line through rou..

Titsey Trail 10k is a single-lap, off-road 10-kilometre race through the Oxted Woodlands, Limpsfield Common and the High Chart area of Surrey and Kent. The largely forest-trail course uses tracks, footpaths and bridleways, with a brief 200m stretch along a country lane; it starts flat, climbs modera..

The Frieth Hilly 5km & 10km is a challenging mixed-terrain running event held in the scenic Chiltern Hills near Frieth, between Marlow and Henley-on-Thames, about 35 miles from central London. The race features winding woodland paths and country roads, offering stunning views throughout the course...

Buckingham 10k is a charity running event in Buckingham Town Centre. The 10km multi-terrain route, organized by Run for the Sky, starts in the town centre and winds through Stowe Avenue, Stowe National Trust Gardens and farmland, offering a small-town atmosphere that blends urban and countryside sce..

Peak Raid Race 2 – Hayfield is the second race in Explorer Events’ Peak Raid series, a four-race fell-running event in the Peak District. Held in Hayfield, competitors tackle a 3-hour score format across varied terrain—from high moorland to limestone dales. Participants select their own route, aimin..

Let's Run Adventures presents The Pathfinder, a self-navigated running and walking challenge near Commondale, North Yorkshire. The event offers 15- or 25-mile circular routes starting from Commondale Village Hall. Participants traverse the North York Moors on old drover tracks, moorland paths, and s..

Hadrian’s Wall Half Marathon is a 13.5-mile trail event in Hexham, in its fifth year in 2025. The race starts at the World Heritage site of Housesteads Roman Fort and finishes at Tyne Green Country Park. The route follows the Hadrian’s Wall Trail for about six miles, then heads toward Newbrough, thr..

The Withins Skyline is a challenging fell race organized by Wharfedale Harriers, held in the scenic Penistone Hill Country Park area. The course covers 6.2 miles with an 820-foot climb, starting at the cricket pitch near Penistone Hill and looping through notable landmarks such as The Stoop, Top Wit..