Trail Running Calendar United Kingdom 2025-2026

Windy Hill Fell Race is a winter fell run based in the Oldham area, starting and finishing at the Rams Head Inn, an award-winning 450-year-old pub in Denshaw. The 12-mile route rewards with moorland views and around 2100 feet of ascent. Competitors traverse from the Rams Head toward Hollingworth Lak..

The Manchester 5k, 10k and Half Marathon Winter Warmer Run at Heaton Park offers three distances: 5k (one lap), 10k (two laps), and a half marathon (four laps plus an extra 1.1k). The undulating course is mainly park paths with one trail stretch and is wheelchair- and buggy-friendly; please stay lef..

North Lakes Half Marathon & 10KM, staged by Wild Deer Events with Timing Up North, is a road-running event in the Lorton Valley near Cockermouth, in the Lake District. It offers two distances: a Half Marathon (13.1 miles) and a 10K (6.2 miles), with routes described as fastish and largely on quiet c..

Grim Leodis is a 6.5-mile undulating loop race held near Wyther Lane, Kirkstall, alongside the Leeds and Liverpool Canal and the River Aire. The course features a mix of canal towpath, riverbank trails, and a short road section, offering runners a varied and scenic route. The lapped course is well m..

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 Cannock Chase Forest race offers runners a choice of 20, 15, 10, or 5-mile trail distances through the scenic and undulating forest paths of Staffordshire. Known for its beautiful and challenging course featuring hills, the event suits all abilities, from novices to seasoned athletes, making it..

Trails & Tarmac Backyard Ultra – Winter takes place near Crickhowell in Powys, Wales, inside the Black Mountains. The course uses a 4.167-mile loop, a 50/50 mix of trail and tarmac, with one gradual climb and a short steep section; the rest is flat for speed. It’s an open-ended Backyard Ultra where..

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 Wild & Mild Night Run is a challenging trail race held in South Brent, UK, featuring 9-mile and 5-mile distances across trail and open moorland. The course begins with a mainly uphill stretch along the river to Shipley Bridge, followed by a tarmac section before entering Dartmoor. Runners naviga..

Silverdale Circuit 2026 is a 19-mile, undulating but runnable route that starts in Milnthorpe and finishes after a section featuring Arnside Knott and the Fairy Steps. The course takes in Dalham Deer Park, Leighton Hall, Leighton Moss Nature Reserve, Silverdale, and a technical single-track coastlin..

The Billing is a winter trail race organised by Great Owl Running in Rawdon, Leeds. The approximately 14-kilometre single-lap loop climbs The Billing, skirts the top of Yeadon, then circles the Leeds Bradford Airport perimeter before returning for a second ascent. The undulating course runs on field..

The Anglezarke Amble Challenge is a winter moorland challenge event on Saturday 14 February 2026, based at Rivington Village Hall (BL6 7SE). The event offers two route options for walkers and a long route for runners. The official time limit for both routes is 10 hours. Entry fees listed are £12.00..

Whinlatter Moon Runner is a 10k head-torch trail race staged in Whinlatter Forest Park near Keswick, Cumbria. The fully marked course climbs through England’s only true mountain forest, using a mix of hard-packed gravel, single-track and muddy bridleways within the forest. Night running adds a wild..

Glentress Trail Races sit in Glentress Forest near Peebles in the Scottish Borders, about an hour from Edinburgh. The event offers three distances: 21km, 10km and a new 5km for 2026. The 21k course combines forest singletrack and MTB trail sections, with around 633m ascent and features such as The G..

Marriott's Way Marathon and Half Marathon, organized by Boghopper Races, takes place on Marriott’s Way, with the marathon starting in Norwich and the half at Whitwell. The course is a traffic-free, easy-to-follow trail suitable for runners and walkers, with generous time allowances. Distances are ap..

Glentress Trail Marathon is a demanding mountain-trail race held in Glentress Forest in the Scottish Borders, between Peebles and Innerleithen, about an hour from Edinburgh. Runners complete two 21k laps of the Glentress route, totaling around 42k with roughly 1,260m of ascent. The course blends for..

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 laps of approximately 4.37 miles (7 km), with options to complete distances from a minimum of 3 km up to ul..

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..

Dalwood 3 Hills 2026 returns to Dalwood Village Hall, Dalwood, Axminster (EX13 7EG), offering three multi-terrain routes around the countryside: 10 miles, 5km, and the new 3km Dalwood Doddle for families. Expect mud, hills, and, on the longer course, river crossings as you challenge yourself across..

The Winter Railway Ultra is a multi-distance trail race staged along the River Severn, on a disused railway line between Ironbridge and Bridgnorth, near Coalport, Telford. Runners can choose from 9 miles, 13.1 miles (half marathon), 19 miles (three-quarters marathon), 28 miles, or 37 miles. Each out..