Trail Running calendar near Gloucester 2025-2026

The One by the Canal is a scenic half marathon trail run held in November, starting at Cowley Recreation Ground and finishing in Watford's Cassiobury Park. The course follows the Grand Union Canal, offering runners a beautiful route through nature, woodland paths, and country trails. The event featu..

DirtRun In The Dark is an off-road running event held at The Wyre Forest, Callow Hill Visitor Centre. Participants tackle a 10km course consisting of two laps around forest tracks and trails, all run in the dark, making torches compulsory. The race welcomes runners aged 14 and above and allows canic..

The Trails & Tarmac 12hr Backyard Ultra is a challenging endurance running event held near Crickhowell in Powys, UK, set in the scenic Black Mountains. The race features a 4.2-mile loop combining equal parts trail and tarmac, with mostly flat terrain, one gradual climb, and a short steep section, pr..

The Bath Skyline running event, organized by Relish Running Races, offers 5km and 10km off-road races around the iconic Bath Skyline, featuring woodland trails, open meadows, and hilltop views of Bath. Held at the University of Bath's West Car Park, the course is mostly flat with some gentle rises,..

The Margam Trail Races, organized by Trail Revolution, will take place in Margam Park on November 15, 2025. This event features a variety of race distances, including 5km, 10km, and a half marathon, designed to challenge participants on the park's scenic forest paths and woodland trails. The course..

Dusk Till Dawn The Winter Edition is a challenging 12-hour running event held at Bridgend Miniature Railway in South Wales. Participants tackle three distinct 10-mile mixed terrain routes, aiming to complete as many loops as possible from dusk until dawn. The course features varied terrain including..

The New Forest Central Trail Run is a scenic trail running event held in the heart of the New Forest National Park, an Area of Outstanding Natural Beauty in the UK. Starting from Roundhill Campsite near Brockenhurst, the course features wide, hard-packed gravel paths weaving through ancient woodland..

The Centurion Wendover Woods 50 is a challenging 50-mile ultramarathon held entirely within Wendover Woods, England. The race consists of five 10-mile loops on forest trails featuring a mix of wide, soft paths with runnable climbs and descents, alongside steeper, more demanding sections. With 10,000..

The Rugged Radnage 10K Run, held in the Chiltern Hills near Radnage village, offers a challenging mixed-terrain course featuring roads, trails, footpaths, woods, and fields with notable ascents and descents. The event includes both 5K and 10K distances, with the 5K covering half of the 10K route. It..

The Callow Fell Race, organized by Mercia Fell Runners, is a challenging event that has transitioned from a summer to a winter series race. Covering a distance of 8.1 km with a total ascent of 762 meters, it is recognized as one of the toughest races in Shropshire. The course features steep climbs a..

The Cardiff Trail Half Marathon is an exciting running event set against the stunning backdrop of Castell Coch. Scheduled for November 16, 2025, this newly introduced race offers a unique blend of competition and scenic beauty, making it an ideal experience for both seasoned athletes and newcomers...

The Broadway Marathon & Half Marathon, organized by Cotswold Trail Events, takes place in Broadway, Worcestershire, within the scenic northern Cotswolds. The marathon features a challenging, hilly course primarily on trails and unpaved tracks, with some minor road sections. Starting and finishing in..

The Sundon Saunter is a scenic walking and running event held near Barton-le-Clay, UK, featuring routes of 13, 18, and 27 miles. The course traverses mainly field paths, tracks, woods, and some roads through undulating countryside, offering good views from the hills. The event is organized by LDWA B..

The Beckbury Trail is a 10K multi-terrain running event organized by Lawley Running Club, celebrating its 10th anniversary. Set in the scenic rural village and parish of Beckbury, Shropshire, the course features a mix of trail and a small section of road, including the challenging Badgers Bite Hill...

Roly's Run is an annual trail running event held in the scenic Meon Valley and South Downs Way, Hampshire, in memory of ultra-runner Rich Walklate (Roly). The 2025 edition offers three distance options: 15.5, 21.5, and 40 miles, featuring challenging ascents of 463m, 712m, and 1266m respectively. Th..

The Petzl Night Trails 10K at Salcey Forest is a unique night-time trail running event held near Northampton. Participants run a fully marked, two-lap 10k course on crushed stone paths through the flat forest terrain, illuminated only by their head torches—Petzl, the event’s sponsor, provides top-qu..

The Dormouse Challenge is a 6-hour running event held at the award-winning Salcey Forest in England. Participants run multiple laps of a 3.5-mile off-road loop through well-maintained forest paths, with terrain consisting mainly of crushed stone and forest floor, offering a natural trail experience..

Dark Valley, Night Trails is an exhilarating night-time running event hosted by BigFeat Events at Moors Valley Country Park. Participants can choose from 10km, 20km, or 30km looped trails, all set amidst the enchanting woods of Dorset. Runners will navigate the course using headtorches, guided by fl..

The Smurf Run in Aberdare, Wales, is a unique 7-hour time challenge event hosted by Saturn Running at the scenic Dare Valley Country Park. Participants can choose their distance, starting from a minimum of 3km, with laps of approximately 7km (4.37 miles) on well-maintained footpaths offering beautif..

The ATW Wendover Woods Trail Run & Canicross is an exciting event set in the picturesque Wendover Woods, offering participants a chance to challenge themselves on scenic trails. Scheduled for November 23, 2025, the event features various distances, including a 5K, 10K, and Half Marathon trail run, a..