Trail Running calendar near Gloucestershire 2025-2026

We have found 289 Trailruns within 80 miles of Gloucestershire. See below where and when you can find the races.

The Worcester Ring Run is an exciting 23-mile running event taking place on October 25, 2025, starting from Droitwich Rugby Club. This scenic route features a clockwise loop along the Droitwich Canal and the Worcester & Birmingham Canal, offering a mostly traffic-free experience. Participants can en..

The Thames Trail Ultra is a challenging 47-mile point-to-point ultra-marathon along England’s longest river, the Thames. Starting near Iffley in Oxfordshire and finishing at the YMCA Y Centre in Henley-on-Thames, the course follows the Thames Path and Ridgeway National Trails. Runners experience a m..

The Giddy Horse Half Marathon, Trail, & Steeplechase Obstacle Course Races is an exciting running event taking place on October 26, 2025, at Chepstow Racecourse in the UK. Participants can choose from various race options, including a half marathon, 8-mile and 4-mile trail races, and steeplechase ob..

The Black Beacon Mountain Trail Races are challenging long-distance running events held in the Bannau Brycheiniog (Brecon Beacons) National Park, South Wales. The races are linear, crossing from north to south, finishing in Pontneddfechen. Participants can choose from four distances: 21 miles, 50 ki..

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November 2025

The November Nightmare is an exciting running event taking place over eight days in Telford, Shropshire, celebrating its 10th year. Participants can choose from various distances each day, including 8 miles, a half marathon (approximately 16 miles), or a full marathon. Runners can opt to compete in..

The OTT Ultra Marathon is a challenging 30-mile trail race held in the scenic Brecon Beacons, South Wales, starting from Merthyr Tydfil. The course features technical trails, including the Taff Trail and paths alongside the River Taff, leading to the Beacons Reservoir. A highlight is the climb to Pe..

The Dorset Hillfort Ultra is a scenic 38-mile running event set in the picturesque West Dorset, featuring a challenging course with approximately 1,300 meters of ascent. Participants will traverse from one ancient hillfort to another, enjoying stunning views of Lyme Bay and the Jurassic Coast. The r..

Big Night Out Winchester is an exciting night-time trail running event set in the scenic surroundings of Winchester, Hampshire. Participants can choose between a 22km or 12km course, both illuminated by headtorches as they navigate the trails and pathways. The event features a fully marked route wit..

The Beacons Ultra is a thrilling running event featuring three race distances: a 49-mile ultra, a 26-mile marathon, and a 13-mile half marathon. Set in the picturesque town of Talybont-On-Usk, nestled in the Brecon Beacons, the event showcases a mix of trails, mountains, canals, and roads. Participa..

Endurancelife Gower offers a series of trail running events set in the stunning Gower Peninsula, the UK's first designated Area of Outstanding Natural Beauty. Participants can choose from 10K, half marathon, marathon, and ultra distances, all featuring challenging terrain including grass, moor, beac..

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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 beautiful natural surroundings along country trails and woodland paths. The event fea..

The Bristol MoRun is a lively running event held at Ashton Court Park, featuring 1.5k, 5k, and 10k distances. The course combines paths and trails with hilly sections between 1km and 3km, suitable for dog walkers and off-road buggies but not wheelchairs. The 5k is a single lap, while the 10k covers..

The Southampton Half Marathon MoRun is a vibrant running event held at Southampton Common, featuring distances of 1.5k, 5k, 10k, and a half marathon. The course combines paths, trails, and grassy sections with an undulating terrain, suitable for dog walkers and buggy runners, though some parts may b..

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..

Dusk Till Dawn The Winter Edition is an exciting running event organized by Mad Running Junkies, set in the scenic Bridgend, South Wales. Participants will tackle three 10-mile routes over a challenging 12-hour period, starting at dusk and finishing at dawn. This event is designed for those looking..

The Trails & Tarmac 12hr Backyard Ultra is an exciting endurance running event set in the scenic Black Mountains near Crickhowell, Powys. Participants will tackle a 4.2-mile loop, completing as many laps as possible within a 12-hour timeframe. The first 11 laps must be finished within an hour each,..

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..

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 in South East 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..