Trail Running Calendar United Kingdom 2025-2026

Dovedale Big Daddy is a Limestone Series fell race organized by Wainwright Running Ltd, taking place around the Manifold and Dovedale valleys with Ilam Primary School as the base (DE6 2AZ). The route covers about 20.4km with roughly 1,370m of ascent, featuring nine steep climbs and descents that tes..

Purple Gecko Events presents the Haldon Winter Run in Haldon Forest, Devon. This timed, low-pressure trail race welcomes runners of all abilities to choose from three distances: 2.5K, 5K, and 10K, with canicross options available. The course is fully marked, with water points along the way, and meda..

Lavenham 10K Race, the Lavenham Old Railway 10k Trail Race, takes place in Lavenham, Suffolk. The scenic 10-kilometre mixed-terrain route runs along a former railway line through the village’s historic streets, with sections on footpaths, forest trails, shallow streams and quiet rural roads. It’s de..

Fountains Abbey Wild Trail Runs is a trail event hosted at the historic Fountains Abbey, a National Trust site near Ripon and a UNESCO World Heritage location dating back to 1132. The event offers three distances to suit different abilities: 5 km, 10 km, and a half marathon (13.1 miles). The course..

The Bedgebury Forest 10 and 5 Mile is a scenic trail running event held at Bedgebury National Pinetum and Forest in Kent. Featuring multi-terrain, undulating courses, the race offers 10-mile and 5-mile distances suitable for various fitness levels, along with a junior run for younger participants. R..

Hardmoors 26.2: Saltburn Trail Marathon is held in Saltburn-by-the-Sea, starting at Saltburn Learning Campus in Marske Mill Lane. The event offers three distances: Trail Marathon (~28 miles), Half Marathon, and Trail 10k (~7.5 miles). Races traverse coastal and moorland terrain along the Cleveland H..

Devil's Punchbowl 10km is a guided trail run around the Punchbowl in Hindhead, Surrey. The 10km route follows scenic trails with several hills, run at a group pace rather than a race. It suits those new to trail running or who prefer running with others, especially at dusk or night.Top views are pau..

Big Bear Events' Squirrel Challenge happens at Daventry Country Park, NN11 2JB (Welton Road). The format centers on a 3.3-mile off-road loop, largely on new crushed-stone paths (about 80% runnable) with the final route to be decided in autumn to incorporate new park sections. In a 6-hour window, par..

Punk Panther Harrogate Hustle is a scenic trail race around Harrogate and Knaresborough, offering 14, 20 and 34-mile options (Ultra 34 miles, a 20‑mile trail, and a shorter route). The course loops Harrogate within a 3–4 mile radius, mostly on attractive country paths and through Nidd Gorge; the ult..

The Westonbirt Arboretum Winter Night Race is an exciting running event set in the stunning National Arboretum, featuring over 2,500 tree species. Participants can choose between 5km and 10km routes, which showcase the arboretum's diverse landscapes and solid terrain, providing a unique blend of tra..

The Duergar Nightcrawler is a 10-mile winter night trail run around the Simonside Hills near Rothbury in Northumberland, England. Hosted by Cold Brew Events Ltd, the event takes place at Newcastle House, Front Street, Rothbury. Runners experience torch-lit trails as darkness falls, with the theme dr..

Pendle Way In A Day is a Winter Ultra in East Lancashire, starting in Barley at the foot of Pendle. The main route covers about 45 miles with around 6,100 ft of ascent, with a 30-mile option. The course passes through Blacko, Barnoldswick, Earby, Laneshawbridge, Wycoller, Boulsworth Bottoms, Catlow..

UK Ultra's Hibernal Hills 50 Mile is the season opener held at Queen Elizabeth Country Park, Hampshire. This ultramarathon covers about 50 miles on 99% trail, 1% road, with 6,400 feet of ascent and descent and undulating hills throughout. The route starts via the Staunton and Monarchs Ways, then cli..

Pilgrim Challenge is a two-day 66-mile or one-day 33-mile ultramarathon along the North Downs Way in Surrey. The start is at Sandy Farm Business Park in Farnham, and the route winds through countryside, villages and rolling downs with about 2,374 meters of ascent. The course is fully marked with sig..

The Ardgartan Trail Race is a challenging 21-mile foot race held at Ardgartan Forest Park in Arrochar, Scotland. The course is approximately 90% off-road, featuring a loop around the Ardgartan Peninsula with a mix of tarmac, forestry trails, and an open hill section leading to Lochgoilhead. Runners..

Nav4 LAW75 is a 75-mile winter endurance event from Skipton Castle to Appleby’s Market Cross in Cumbria. The route follows Lady Anne’s Way, with sections of The Dales Way and Pennine Journey, crossing Wharfedale, Wensleydale and the Upper Eden Valley. This two-day, self-supported challenge is limite..

The Cold Norton Charity Winter 10K & Half Marathon Trail Event is a winter charity trail run in Essex, raising funds for Farleigh Hospice. Held at Charity Farm, Crows Lane, Woodham Ferrers, it offers 10K and 13.1-mile routes run mainly on grass, tracks and rural paths around Woodham Ferrers. The cou..

The Glasgow 5k, 10k and Half Marathon Winter Warmer Run takes place on Glasgow Green, near Nelson's Column, Glasgow. Entrants choose 5k (one lap), 10k (two laps) or a half marathon (four laps plus an extra 1.1km). The course is flat and mostly on paths, with one trail section; buggy-friendly and whe..

Lakeland Paws Grizedale Growl takes place in Grizedale Forest on the east side (LA22 0QJ). In season 4, it is the event’s second Grizedale appearance. Runners choose between a 10k loop with 260m of ascent and a shorter 6k route with 150m.The course runs on wide forest paths and is billed as the most..

The Westonbirt Arboretum Winter Day Race is a scenic running event set in the stunning National Arboretum, featuring over 2,500 tree species. Participants can choose between a 5km or 10km race, with routes that showcase the beauty and diversity of the arboretum's landscape. The event is designed to..