Trail Running calendar near Semington 2024-2025

We have found 304 Trailruns within 80 miles of Semington. See below where and when you can find the races.

The Thames Trail Ultra is a challenging 47-mile point-to-point ultra marathon that runs along the scenic Thames River from Iffley in Oxfordshire to Henley-on-Thames. This popular event, previously known as the Thames Trot, features a diverse course that includes tarmac paths, muddy trails, and pictu..

The Thames Path Trail Run is an exciting running event set in Windsor, starting from the iconic Windsor Racecourse. Participants can choose between two scenic distances of 21km and 16km, both of which follow the picturesque Thames River, offering stunning views of the surrounding countryside. The ev..

The Black Beacon Mountain Trail Races are long-distance running events set in the stunning landscapes of the Bannau Brycheiniog (Brecon Beacons) and Black Mountains. Participants can choose from four race distances: 100 miles, 50 miles, 50k, and 21 miles, all culminating in Pontneddfechen. The races..

November 2025

The Wendover Woods Marathon, Half Marathon, and 10k is a scenic trail running event set in the picturesque Chiltern Hills, taking place in November. Participants can enjoy the stunning autumnal landscape while navigating a challenging, undulating course. The marathon consists of four laps, the half ..

The Druid's Challenge is a three-day ultra marathon event covering 134 km (83 miles) along the historic Ridgeway, set in the picturesque hills and countryside of the UK. Participants will experience ancient landscapes and significant historical sites while enjoying fully supported amenities, includi..

Enigma Fireworks is a running event taking place on November 7th and 8th, 2025, at Caldecotte Lake in Milton Keynes. The event features two marathons and two half marathons, with participants completing scenic laps around the lake. Each marathon consists of 7½ laps, while the half marathon includes ..

The South Downs Trail Run is an exciting trail running event set in the picturesque South Downs National Park, starting from Goodwood. Participants can choose from three distances: 21km, 19km, and 12km, catering to various skill levels. The route features a mix of forest tracks, bridleways, and scen..

The Chiltern Ridge Winter 50K is a trail running event set to take place on November 8, 2025, starting and finishing at Berkhamsted Cricket Club. This challenging 50K loop features scenic trails through the Chilterns, including significant sections along The Ridgeway National Trail. Participants wil..

The Salt Settlers Six Hour Race is an exciting running event set in the picturesque Lower Otter Valley, returning for its second year. Participants can complete as many 4.4 km loops as possible within six hours, with options for solo runners or pairs in a relay format. The course features a flat ter..

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..

The Dirt Half Challenge is a renowned half marathon trail race held in Leighton Buzzard, Bedfordshire. This award-winning event features a stunning course that begins in the historic town and includes a scenic route through Tiddenfoot Waterside Park, the Grand Union Canal towpath, and Rushmere Count..

The New Forest Central Trail Run is a scenic trail running event held in the picturesque New Forest National Park, renowned for its natural beauty. Participants can choose between two distances: 22km and 17km, both featuring well-maintained gravel paths that meander through ancient woodlands and hea..

The Wendover Woods 50 is a challenging 50-mile trail race set within the scenic Wendover Woods, featuring five 10-mile loops. Participants will navigate a mix of wide, soft trails and steep ascents and descents, totaling 10,000 feet of elevation gain. The event is fully supported with nine aid stati..

The Broadway Marathon & Half will take place in Broadway on Sunday 16 November 2025. You can run 26 miles.

UTMB Index

The Rugged Radnage 10K Run is a challenging mixed terrain race set in the picturesque Chiltern Hills near Radnage. Scheduled for November 16, 2025, this event features a scenic course that includes roads, trails, and footpaths, with both ascents and descents. Participants aged 15 and older can take ..

The Devil's Punchbowl 10k is a guided trail running event set in the scenic Devil's Punchbowl area in Hindhead, Surrey. This unique 10km run combines stunning natural beauty with a fun and challenging experience, perfect for both novice and experienced trail runners. Participants can enjoy breathtak..

The Serpent Trail Ultra Run is a 30-mile trail event that showcases the scenic beauty of the Serpent Trail and the Sussex Border Path, starting and finishing in Haslemere, Surrey. This guided run is designed for both seasoned and first-time ultra runners, providing an opportunity to learn from exper..

The Medal Mix Challenge - Day 1 is an inclusive running event organized by Running Events Devon, taking place on November 29, 2025. Participants of all abilities are welcome to join this 7-hour timed challenge on a scenic 5.3k out-and-back course along an old disused train line. Runners and walkers ..

The Box Hill Vertical KM is a unique guided trail run focused on tackling the hills of Box Hill and its surroundings. Participants will experience a specially designed route that achieves over 1000 meters of elevation gain in a short distance, without the use of hill repetitions. The event emphasize..

The Wittering Beach Run is a scenic running event set against the backdrop of West Wittering's beautiful beaches, known for their Blue Flag status. Participants can choose from three distances: 5km, 10km, and 15km, all of which feature stunning views of Selsey Bill, the Isle of Wight, and Chichester..