Trail Running calendar near Semington 2025-2026

We have found 344 Trailruns within 80 miles of Semington. See below where and when you can find the races.

Purdown Pursuit is a challenging 10km trail running race held around Stoke Park in Bristol, organized by the Town and Country Harriers (TACH). The event takes place near Countess Walk, Stapleton, and features a fully marked course with steep climbs, tree roots, and rocky terrain, requiring appropria..

The Hughenden Valley 10K is a popular trail running event held around the National Trust's Hughenden Manor estate near High Wycombe. The 10-kilometer course features a hilly terrain with over 195 meters of elevation gain, offering a challenging yet rewarding experience through beautiful woodland and..

The Pewsey Vale Ultra is an exciting new running event featuring a challenging 125km loop through the picturesque Wiltshire countryside, following the Pewsey Vale Circular walk route. Participants will experience a total ascent of 1902m, with the course well-marked and supported by checkpoints every..

Rabbit Run Wales is a trail running event set on the private grounds of the Merthyr Mawr Estate along the South Wales coast, within the Merthyr Mawr Warren National Nature Reserve. It offers stunning 12K (7.5 miles) and new 40K (approximately 25 miles) races, featuring diverse terrain including hill..

The My Little Care Bear Run, organized by Saturn Running, takes place at Dare Valley Country Park in Aberdare, Wales. This nostalgic 1980s-themed event offers a 7-hour time challenge where participants can run multiple laps of a 4.37-mile (7km) course on well-maintained footpaths with scenic country..

The Hughenden Valley Half Marathon is a scenic trail running event held around the National Trust's Hughenden Manor and its surrounding woodlands in the Hughenden Valley. Covering 21.1 km with over 450 meters of elevation, the course features hilly terrain with woodland and rural trails, offering a..

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The Maverick X Series Chilterns 2025 is a trail running event held at the historic Stonor Park estate near Henley-on-Thames, Oxfordshire. Set within the Chilterns Area of Outstanding Natural Beauty, the race offers four challenging routes ranging from 12 km to an ultra 52 km, featuring significant e..

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The Humanity Direct Chiltern Challenge is a one-day ultra running event held in the scenic Chiltern Hills, starting and finishing at Princes Risborough School, near London. Participants can choose from three distances: 10km, 25km, or 50km, catering to all levels from beginners to experienced ultra r..

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Dash & Splash is a unique 5-kilometre fun run held along Sandown Bay on the Isle of Wight, starting at Shanklin Rowing Club and finishing at Yaverland near the Yaverland Sailing Club. The course features a scenic route along the largest bay on the island, with participants running on hard sand at lo..

The Dragon Coastal Ultramarathon is a series of three ultra-trail races held along the scenic Wales Coast Path, finishing at Cardiff Bay. Scheduled for July 19-20, 2025, the event offers distances of 100 miles (Rhossili Bay to Cardiff Bay), 50 miles (Kenfig Nature Reserve to Cardiff Bay), and approx..

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Dusk Till Dawn is a challenging 12-hour running event held at Bridgend Miniature Railway in South Wales. Participants run as many loops as possible on three distinct 10-mile mixed terrain routes, featuring hills, technical downhill forestry trails, and minimal road sections. Starting at dusk and fin..

Bright Skies Surrey Hills is an exciting daytime trail running event held at Denbies Wine Estate in Dorking, Surrey. The event features a marathon, half marathon, and 10K race, including Canicross (dog running) options, as well as 1K and 2K races for children aged 3 to 12. The course offers an undul..

The Hillfort Hustle is a scenic trail running event held in Aymestrey, Herefordshire, featuring 10-mile and 5-mile race options. Both courses include a challenging climb to the Iron Age Hillfort at Croft Ambrey, offering stunning views of the North Herefordshire countryside. The route passes through..

The Wye Valley Tunnel Run is a scenic running event held at Wyedean School in Sedbury, UK, featuring 10km, half marathon, and marathon distances. The courses primarily follow the flat, shaded Wye Valley Greenway, an old railway line, including a unique 1.1km stretch through the refurbished and lit T..

The Valley Park Tour of the Woods is a unique 10 km trail race set in the picturesque woodlands of Chandler's Ford, Hampshire. This event, organized by Chandler's Ford Swifts Running Club, features a mixed terrain course divided into five stages, allowing participants to rest between segments withou..

The Surrey Slog, also known as the Holmbury Hill Challenge, is a challenging trail running event held in the scenic Surrey Hills near Peaslake. The race features a hilly, undulating multi-loop cross-country course primarily on tracks around Holmbury Hill, with well-marked routes and marshalled key p..

BigHeat Trails (FIRE) is the third event in the Classic Element Trail Series, held at Rother College in Midhurst, Surrey. Inspired by the element of fire, this trail running event offers two challenging single-lap distances: a marathon and a 16-mile run. The course features winding dusty tracks, sun..

The Summer Midweek Race - The Off-road One will take place in Warwick on Wednesday 23 July 2025.

The Beacons Way Ultra 100 Miles is a challenging ultramarathon held in the Brecon Beacons National Park, South Wales. Covering 100 miles with 6,143 meters of elevation, the race starts at Abergavenny Castle and follows the Beacons Way National Trail, including iconic peaks like Pen-y-Fan and the Car..

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The Beacons Way Ultra 100km is a challenging ultramarathon held in the Brecon Beacons National Park, Wales. Covering 62 miles with 3,451 meters of elevation, the race follows the official Beacons Way trail, starting near Talybont and traversing spectacular mountain scenery including Pen-y-Fan and th..