Trail Running calendar near Thornbury 2025-2026

The Gower Ultra 50, Ultra Bach & Trail Race are three long-distance trail running events held in the Gower Area of Outstanding Natural Beauty (AONB) in Wales. Following the Wales Coast Path, the races showcase stunning beaches, bays, coves, farmland, and fishing villages. The Ultra 50 covers a full..

Run to the Sea Bournemouth is a 50km ultramarathon featuring a flat, scenic, and well-organized point-to-point course from Moors Valley Country Park to Hengistbury Head, Bournemouth. The route includes diverse terrain such as forest trails, the Castleman Trailway, and coastal paths along the stunnin..

Bolt Round the Holt is a charity running event held at Alice Holt Forest, aimed at raising funds for GUTS, an organization focused on improving bowel cancer survival through early detection and treatment. The event features a scenic and undulating trail, offering participants the choice of a Half Ma..

The Quantock Hills Half Marathon, organized by Prosper Events, is a challenging and scenic trail race held in the Quantock Hills near Kilve Court, Somerset. The course features a mix of tough climbs, rolling hills, technical trails through forests, quiet country lanes, and open moorland, offering br..

The Run the Wild Half Marathon - Autumn Edition is a 13-mile (21.1 km) trail running event set in the scenic Chiltern Hills, just 40 minutes northwest of London. Featuring rolling hills with around 300m of ascent, the course offers stunning chalk hills and woodland terrain. Designed for all abilitie..

The Barrows and Downs is a trail running event featuring a marathon and half marathon set in the historic southern area of Salisbury Plain, Wiltshire. Participants run among ancient barrows dating back to 3500 BC, enjoying scenic views of the Wiltshire Downs. Both race routes start and finish at Til..

The Marlow Donkey is a challenge event organized by the Thames Valley LDWA, offering participants the choice of two routes: 16 miles and 25 miles through the scenic Chiltern Hills. The event welcomes both walkers and runners, providing basic refreshments along the route and a simple meal at the fini..

The Frieth Hilly 5km and 10km runs are exciting mixed-terrain races set in the picturesque Chiltern Hills, located between Marlow and Henley-on-Thames. Participants can expect a challenging course that features winding woodland paths and scenic country roads, offering stunning views throughout the r..

The Maverick Jurassic Coast 2025 is an exciting trail running event set in the stunning landscapes of the Isle of Purbeck, featuring four different routes: Ultra (101 km), Long (54 km), Middle (24 km), and Short (12 km). Participants will experience breathtaking views of the Jurassic Coast, includin..

The Centurion Autumn 100 is a challenging 100-mile trail race held in Goring and Streatley, England, along the River Thames. The course features four 25-mile out-and-back sections utilizing the Thames Path and Ridgeway National Trails, forming a cross-shaped route. Runners experience a mix of flat,..

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

The Keynsham Dandy is an off-road running race organized by Town and Country Harriers (TACH) in the Bristol area. The event covers approximately 12.5 miles, starting in Keynsham and featuring a scenic route that includes the revival of the Compton Dando path, complete with a stream crossing. The rac..

The Thames Trail Ultra is a challenging 47-mile point-to-point ultramarathon along England’s longest river, from Iffley in Oxfordshire to Henley-on-Thames. Organized by Go Beyond, the race follows scenic sections of the Thames Path and Ridgeway National Trails, offering a mix of country trails, rive..

The Giddy Horse Backyard event is a unique running experience taking place at Chepstow Racecourse in Piercefield Park. Scheduled for October 25, 2025, it features various race formats including 8-hour, 12-hour, 24-hour, and relay options, all set on a scenic 4.167-mile loop that combines woodland, p..

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 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..

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 30-mile trail race set in the scenic Brecon Beacons, starting from Merthyr Tydfil. The course features technical trails, including a climb to Pen y Fan, the highest peak in South Wales, and passes through reservoirs and forest tracks, offering stunning views. The race inc..

The Apocalypse Run - Stonehouse will take place in Stonehouse on Sunday 2 November 2025.