Trail Running Calendar United Kingdom 2025-2026

The Trails & Tarmac Backyard Ultra, organized by Limitless Trails, is a challenging endurance event held near Crickhowell in the Black Mountains. Participants run a 4.2-mile loop combining 50% trail and 50% tarmac, featuring mostly flat terrain with one gradual climb and a short steep section. The r..

XTERRA Matterley is an off-road sporting event held at the scenic Matterley Basin in Hampshire, United Kingdom. Scheduled for February 14-15, 2026, it offers a variety of race formats including duathlons and trail runs suitable for athletes of all levels. The duathlon races feature distances such as..

The Anglezarke Amble Challenge is a scenic endurance event held in the West Pennine Moors near Rivington, England, often called the "Little Lake District." It offers two walking distances: a 17-mile short route and a 24-mile long route, with runners restricted to the longer course. The route feature..

The Silverdale Circuit is a challenging yet runnable 19-mile race held near Milnthorpe, accessible from the M6. The undulating course features notable ascents including Arnside Knott and the Fairy Steps, where runners can enjoy magical views of Morecambe Bay and The Lakes. The route passes through s..

The Billing is a unique winter running event organized by Great Owl Running, taking place in February. This approximately 14km race starts at the Emmott Arms in Rawdon, Leeds, and features a challenging course that includes a climb up The Billing, a lap around the Leeds Bradford Airport perimeter, a..

The Whinlatter Moon Runner is a 10k head torch trail race held in Whinlatter Forest Park, Keswick, Cumbria. This night-time event offers a unique running experience, blending the wild and peaceful atmosphere of the forest after dark. The fully marked, hilly course features a mix of hard-packed grave..

The 'Rayne'ing Medals Anniversary Challenge is a running event celebrating six years of Hare & Tortoise Running, taking place on The Flitch Way in Rayne. Participants can choose from five entry options, including a marathon, 6-hour timed event, 5km, 10km, and half marathon. The course features 5km l..

The Glentress Trail Marathon is a challenging 42-kilometer trail running event held in the scenic Glentress Forest, located in the Scottish Borders between Peebles and Innerleithen, about an hour from Edinburgh. The marathon consists of two laps of a 21-kilometer circuit featuring a mix of forest si..

The Dalwood 3 Hills is a popular multi-terrain running event held near Axminster, Devon, featuring three distances: a challenging 10-mile course with hills, mud, and river crossings; a 5km "Dalwood Dash" offering a shorter but still muddy and hilly route; and a new 3km "Dalwood Doddle" fun run suita..

The Glentress Trail Running Event, held in the scenic Scottish Borders at Glentress Forest near Peebles, offers trail races of 21k, 10k, and a new 5k distance ideal for beginners. The courses feature a mix of forest singletrack, gravel trails, moorland, and sections of mountain bike trails with chal..

The Saturn 7 Hour Time Challenge in Durham is a flexible running event held at the Durham Amateur Rowing Club along the scenic River Wear, offering views of the Cathedral. Participants can run as many laps as they wish within a 7-hour limit, with each lap measuring approximately 4.37 miles (7 km) or..

The Cracoe Cracker Challenge is a scenic running and walking event held in the Yorkshire Dales, starting from Cracoe Village Hall in North Yorkshire. Participants can choose between a 25-mile or 12-mile route, both offering beautiful countryside views. The event welcomes walkers and runners aged 16..

The Dartmoor Winter Traverse is a fully supported endurance challenge held in February, offering participants a 50 km or 30 km route across Dartmoor's remote moorlands in South West England. The 50 km course runs from the southern to northern edges of Dartmoor, passing notable wild locations such as..

Endurancelife Northumberland offers a scenic trail running event along the dramatic Northumberland coastline, featuring distances of 10K, half marathon, marathon, and ultra marathon. The course showcases stunning views of sandy beaches, dunes, rocky cliffs, and iconic landmarks like Bamburgh Castle...

BigMud Trails (EARTH) is the first event in the Classic Element Trail Series, celebrating the element of Earth. Set in the scenic Meon Valley at Queen Elizabeth Country Park, participants can choose between a 16-mile or marathon distance, both featuring challenging single-lap courses with significan..

SilverBackTrails Lilla’s Revenge is a 10-mile trail running event held in the scenic North York Moors National Park. The course follows part of the iconic Lykewake long-distance footpath, visiting historic sites such as Lilla Howe, home to the oldest cross on the Moors, and Louven Howe, a Neolithic/..

The Derwent Reservoir 5 & 10 Milers is a popular winter running event returning for its seventh year, offering participants a choice between 5 or 10-mile routes around the scenic Derwent Reservoir, located on the border of Durham and Northumberland. The courses feature a mix of terrain, including fi..

The Two Tunnels Races, taking place in February 2026, offer a unique running experience through Bath's historic underground tunnels, the longest of their kind in the UK. Participants can choose from a variety of distances, including ultra marathons, half marathons, 10km, 5km, and family-friendly Col..

The St Peters Way Ultra is a 43-mile ultramarathon across Essex, starting from Chipping Ongar and finishing at Bradwell on Sea, at the UK's oldest chapel. The course follows an ancient pilgrimage route over 1,500 years old, passing through historic villages, numerous churches, and scenic Essex count..

The ZigZag - Thetford Festival of Running takes place at High Lodge in Thetford Forest, Brandon. This intimate event offers multiple race distances including 5k, 10k, Half Marathon, Full Marathon, and Ultra Marathon, all run on a mainly flat 5km loop course through pathways, trails, and woodland wit..