Trail Running calendar near Thornbury 2025-2026

We have found 302 Trailruns within 80 miles of Thornbury. See below where and when you can find the races.

The Wendover Woods Marathon, Half Marathon, and 10k is a scenic running event set in the picturesque Wendover Woods, Buckinghamshire. Participants can choose from multiple race distances, including a marathon, half marathon, 10k, and a junior run, all featuring a challenging multi-terrain course wit..

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 cliff tops, woodl..

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The Salt Settlers Six Hour Race is a timed endurance event held in the Lower Otter Valley near Budleigh Salterton. Participants aim to complete as many 4.4km loops as possible within six hours on a mostly flat course with a slight 12m ascent per loop. The race accommodates runners and walkers, offer..

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..

Bristol MoRunning is a charity running event held at Ashton Court Park, featuring 1.5k, 5k, and 10k races to support Movember’s men’s health initiatives. The course combines trail and path running, with a hilly section from 1km to 3km, suitable for dogs and off-road buggies but not wheelchair access..

The Southampton Half Marathon Morun is a community-focused running event supporting Movember, held at Southampton Common. Participants can choose from a 1.5k Mini MoRun, 5k, 10k, or the half marathon, all chip-timed with instant results. The event promotes fun, fitness, and awareness for men's healt..

DirtRun In The Dark is an exciting 10km off-road running event set in the scenic Wyre Forest at the Callow Hill Visitor Centre. Participants will navigate a two-lap course under the cover of darkness, making headlamps or torches a mandatory requirement. The event welcomes runners aged 14 and above,..

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 event features a fun and challenging 10km off-road running series set against the stunning backdrop of the Bath Skyline. Participants can choose between day and night races, with routes that include a mix of solid stone paths, woodland trails, and open meadows, offering breathtaking..

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, renowned as Europe's best national park. Participants can choose from three distances: 10km, 17km, and 22km, all featuring well-maintained, easy-to-run gravel paths through ancient woo..

The Wendover Woods 50® is a challenging 50-mile trail race held within Wendover Woods, featuring five loops of 10 miles each on forest trails. The course includes a mix of runnable sections, smooth descents, and steep climbs, totaling 10,000 feet of elevation gain and descent. The event is supported..

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 Beckbury Trail is a 10K running event organized by the Lawley Running Club, celebrating its 10th anniversary. Set in the picturesque Shropshire countryside, the course features a mix of terrains, including a notable challenge known as Badgers Bite Hill. The route is fully marshalled and marked,..

Roly's Run is an annual trail running event held in the scenic Meon Valley and South Downs Way, Hampshire, UK. The 2025 edition offers three distance options: 15.5, 21.5, and 40 miles, featuring challenging ascents of 463m, 712m, and 1266m respectively. The courses form a clockwise loop starting and..

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...