Trail Running calendar near Semington 2025-2026

The Forest of Dean Ultra Marathon will take place in Coleford on Saturday 18 October 2025. You can run 34 miles.

The Maverick Jurassic Coast is a challenging trail running event held in Corfe Castle, Dorset, along the stunning Isle of Purbeck and part of the famous Jurassic Coast. Scheduled for October 18, 2025, it offers five distances: Ultra (102 km), Long (54 km), Middle (24 km), Short (12 km), and Sprint (..

Centurion Autumn 100 is a 100-mile continuous trail race based in Goring-on-Thames and Streatley. The course forms a cross from four 25-mile out-and-back spurs along the Thames Path and Ridgeway, converging at Goring. Legs run Thames Path to Little Wittenham, Ridgeway to Swyncombe Farm, Ridgeway to..

Herepath Half is a trail running race staged in rural Somerset, starting from Thurlbear Primary School near Taunton. The course generally follows the circular Staple Fitzpaine Herepath Trail in the Blackdown Hills, spanning about 13.7 miles. Runners ascend to the Blackdown Heights, rewarded with exp..

White Horse Gallop is a roughly 12K off-road run held at Leighton Recreation Centre in Westbury, Wiltshire. The course traces bridleways and portions of the Imber Range, culminating in a close-up view of the iconic Westbury White Horse. Part of the Wiltshire Off Road Race League, the event awards a..

Keynsham Dandy is an off-road trail race organized by Town and Country Harriers (TACH) in Keynsham. The event starts from The New Inn, Bath Hill, and features a 12.5-mile course through riverside paths, rolling farmland and woodland, including the revived Compton Dando route with at least two stream..

The Giddy Horse Half Marathon, Trail, & Steeplechase Obstacle Course Races take place at Chepstow Racecourse in the UK. The event features a variety of distances including a half marathon, 8-mile and 4-mile trail runs, as well as 4-mile and 8-mile steeplechase obstacle course races. The trail races..

The Giddy Horse Backyard 2025 is a running event held at Chepstow Racecourse, UK, featuring races around Piercefield Park. The course is a 4.167-mile loop combining woodland, parkland, and tarmac trails, mostly flat with gentle elevation changes. The event offers solo races of 8-hour (33 miles) and..

Running Tribe Races in Buckinghamshire, England, offers endurance events at two venues: Courses 1–3 at Chalfont Park Sports Club in Chalfont St Peter and Courses 4–6 at Chalfont St Peter Community Centre. Runners can choose, on the day, from 7k, 10k, 14k, Half Marathon, Full Marathon, or a 30- or 40..

Thames Trail Ultra is a 47-mile point-to-point ultramarathon from Iffley (Oxford area) to Henley-on-Thames, run along the Thames Path and Ridgeway National Trails. Runners encounter a varied course of riverside paths, cross-country trails, and road sections, with scenic river views, historic towns,..

The Worcester Ring Run is a 23-mile running tour around Worcester and Droitwich, launching in 2025 at Droitwich Rugby Club. The clockwise route travels from the club along the Droitwich Canal, joins the Worcester & Birmingham Canal toward Worcester, passes Diglis and Diglis Bridge, goes through Pitc..

Thames Path Trail Run takes place at Windsor Racecourse, Windsor, UK. The event offers two trail distances: 21km and 16km, with gentle elevation gains of about 66m and 50m respectively, along the scenic Thames riverbank and surrounding countryside. Runners begin at Windsor Racecourse and follow clea..

Black Beacon Mountain Races are long-distance mountain trail events crossing the Black Mountains and Bannau Brycheiniog (Brecon Beacons) National Parks in South Wales, south to north. Four distances: 100 miles (+7500m), 50 miles (+3750m), 50 km Ultra Bach (+2200m), and 21 miles (+1200m). The 100-mil..

The Haldon Halloween Twilight Run takes place in Haldon Forest near Exeter, Great Britain, offering a festive running experience on November 1, 2025. Participants can choose from three distances: a 2.5 km fun run, 5 km, and 10 km races, including Canicross options for dog runners. The event features..

The Guided Run - Petersfield 10k will take place in Petersfield on Saturday 1 November 2025. You can run 10 kilometers.

Brewery Trail Run is a 6-mile (10 km) trail run through the Chiltern Hills organized by Run The Wild. The event pairs trail running with a brewery experience at the world famous Tring Brewery: after the run, participants enjoy a private brewery tour, a beer tasting, and receive a bottle of beer. It’..

Chiltern Ridge Winter 50K is a single-loop trail ultra starting and finishing at Berkhamsted Cricket Club in the Chilterns. The 50-kilometre course climbs about 800m and threads through Berkhamsted Common and the Ashridge Estate, then follows The Ridgeway National Trail to Aldbury and Wendover befor..

OTT Ultra Marathon is a 30-mile trail race through the Brecon Beacons in South Wales. Based around Merthyr Tydfil, the course begins near Cyfarthfa Castle and follows the Taff Trail before diverging onto riverside trails toward the Beacons Reservoir. The route climbs to Pen y Fan, the region’s highe..

The Wendover Woods Marathon, Half Marathon & 10k is a scenic autumn trail running event held in Wendover Woods, Buckinghamshire. The race features multi-terrain, hilly courses with significant climbs, making it a challenging yet rewarding experience for novices, seasoned runners, and marathoners see..

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..