Trail Running Calendar United Kingdom 2025-2026

Trails & Tarmac Backyard Ultra (Summer BYU) takes place near Crickhowell in the Black Mountains, Powys. The course features a 4.167-mile loop that is half trail and half tarmac, with a single gradual climb and a short steep section. Designed for speed on largely flat terrain, the event uses an open-..

The Birnam Trail Race 2025 is a scenic and challenging trail running event held in Birnam Woods, near Dunkeld, Scotland. Limited to 100 participants aged 18 and over, the race features a varied 10K course with single-track paths, open overtaking areas, and technical sections, requiring careful footw..

The Peak District Challenge is a scenic trekking and running event held in the Peak District, starting and finishing in Hathersage. It offers five distance options catering to various skill levels: 25km (Copper), 50km (Bronze), 75km (Silver), 100km (Gold), and an intense 100-mile challenge to be com..

Hambledon Hilly takes place at Hambledon Vineyard in East Street, Hambledon, Hampshire (PO7 4RY). This is the 10th edition, moving to the vineyard—the first running event staged at England’s oldest commercial vineyard. The event offers five distances: 1km and 2km for youngsters, and 5km, 10km, and 2..

Skyline Scotland® is a premier mountain and trail running event held at Nevis Range near Fort William, Scotland. Established in 2015, it has grown into a world-class series featuring seven newly designed races ranging from 10km to 100km, including skyrunning, ultra, and trail options. The event attr..

Salomon Trail Marathon 2025 runs at Nevis Range, near Fort William, Scotland, and is part of Skyline Scotland. The event offers a marathon course described as a grand tour of Leanachan Forest, using well-maintained forestry tracks, paths, and trails for easy-to-fast terrain with panoramic mountain v..

Conquest of Avalon is Albion Running’s late-season ultramarathon in Somerset, finishing in Glastonbury after a final ascent over Glastonbury Tor. The event offers two distances: 50 miles and 30 miles. The 50-mile route begins at Ham Hill Country Park and, about 20 miles in, joins the 30-mile path, t..

Centurion Running’s Chiltern Wonderland 50 is a 50-mile single-loop ultramarathon set in the Chiltern Hills, starting and finishing in Goring-on-Thames, Oxfordshire. The route climbs around 5,600 feet and traverses picturesque villages rich in history, including locations made famous by British film..

The Great Whernside Fell Race, organized by Wharfedale Harriers, is a challenging 4-mile race with a 1,558 ft ascent. It starts from Scabbate Gate in Kettlewell, ascending through fields and rough terrain to the summit of Great Whernside before returning to the start. The course features a mix of gr..

The Run of the Mill is a challenging 14.6 km race with 966 meters of ascent, held in Alva Glen near the Ochils Woodland Park in Clackmannanshire, Scotland. The course starts and finishes at Alva Glen, passing through scenic footpaths to Tillicoultry, then ascending several summits including Andrew G..

The Three Shires Fell Race, organized by Ambleside AC, is a challenging fell running event held in the Lake District, starting and finishing at Tilberthwaite Farm. The race covers approximately 22 km (12.4 miles) with a climb of 1535 meters (4003 feet) over a new route introduced in 2025. The course..

The Triple Trail Races, held at Loddington Farm in Kent, offer three challenging distances: 25km, 50km, and 100km, traversing Kent's iconic North Downs Way, Greensand Way, and Weald Way. The 100km race is a unique single-loop ultra marathon showcasing scenic countryside, historic landmarks like Leed..

The Abersoch Half Marathon is a scenic 13.1-mile race held in the charming seaside village of Abersoch on the Llyn Peninsula, North Wales. The course primarily follows roads through the villages of Llanengan, Llangian, and Sarn Bach, culminating in an exhilarating final kilometer along Abersoch Beac..

The Tissington Trail Half Marathon Weekend is a scenic running event held in Ashbourne, Derbyshire, along the disused railway line from Parsley Hay to Ashbourne. Covering a 13-mile (half marathon) multi-terrain course with a slight downhill gradient, the race offers stunning views of the Derbyshire..

The Maverick X Series Afan Forest 2025 is a trail running event set in the scenic Afan Forest Park, South Wales. Offering four route options—Ultra (50 km, 1133 m elevation), Long (42 km, 970 m), Middle (25 km, 625 m), and Short (10 km, 232 m)—the course features a mix of hard-packed gravel trails an..

Salomon Jacobite 100 2025 is a 100-kilometre mountain and trail ultramarathon held at Nevis Range, near Fort William, Scotland. Run fully on established paths and trails, the course winds through Scottish Highlands, weaving glens, lochs, and over rugged mountain bealachs. It’s positioned within Skyl..

The Causeway Cost Ultra Marathon will take place in Portballintrae on Saturday 20 September 2025. You can run 42 kilometers.

The Norfolk Coastal Trail Marathon and Half Marathon take place along the scenic Norfolk Coast Path, starting from Holme-next-the-Sea for the full marathon and Burnham Overy Staithe for the half marathon, with both finishing at Morston Quay. The routes are mainly off-road, well-marked with acorn sig..

The Woods is a multi-distance trail race organized by Bys Vyken Events, held in Tehidy Woods on the North Coast. Runners choose from Rowan (3 hours), Ash (6 hours), Beech (9 hours) or Oak (12 hours), all on the same 4-mile loop. The course is described as testing and hilly, with the woodland terrain..

The Arrochar 10k is a scenic and varied terrain race held in Arrochar, Argyll, Scotland. The 10-kilometer course features a mix of track, forest roads, and paths, including a significant hill offering views over Loch Long. Runners cross the A83 trunk road with marshals' guidance and finish alongside..