Trail Running Calendar United Kingdom 2025-2026

The Borrowdale Trail Half Marathon is a scenic 21-kilometre trail race held in Keswick, Cumbria, along the shores of Derwentwater and surrounding fells. The hilly course offers varied terrain and stunning views, making it ideal for trail running enthusiasts. The route is well-marked, requiring no na..

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..

The Cracoe Fell Races, held near Cracoe on the B6265 between Skipton and Grassington, is a challenging fell running event organized by the British Open Fell Runners Association (BOFRA). The race covers 2.6 miles (4.2 km) with a climb of 900 feet (274 meters), starting with a gentle run through field..

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 Valley Park Tour of the Woods is a 10 km trail race held in the scenic Valley Park Woodlands in Chandler's Ford, Hampshire. Organized by Chandler's Ford Swifts Running Club, the race is uniquely divided into five stages ranging from 500 meters to 3 km, with recovery breaks between each that do n..

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..

Conquer Cannock is a running event held at Cannock Chase Forest, Birches Valley, Rugeley. The 2025 edition offers multiple race distances: 5k, 10k, 16k, and a mini-miler for children aged 3 and above. The course features mixed terrain with hills, loose surfaces, and exposed tree roots, providing a c..

The Gecko Gathering - Harlyn 2025 is a coastal running event held in Cornwall, Great Britain, featuring two distances: a 10.5 km and a half marathon (21 km). The half marathon route runs from Harlyn Beach to Padstow and back, while the 10.5 km race goes from Padstow to Harlyn, both following the sce..

The Hillfort Hustle is a scenic trail running event held in Aymestrey, Herefordshire, featuring 10-mile and 5-mile race options. The course traverses the beautiful North Herefordshire countryside, including a climb to the Iron Age Hillfort at Croft Ambrey, offering stunning views. Runners pass throu..

The Fell Em Doon 5 Miler is a midweek trail running event held in Ashington Community Woods, Northumberland. The race features a flat, wide, two-lap course covering 5 miles on good trail paths, making it accessible and fast-paced. It is organized by Ashington Hirst Running Club and welcomes runners..

The Paddy Buckley Round is a challenging, professionally guided running event held in Northern Snowdonia, Wales. Covering a loop of just over 100 km with approximately 9,000 meters of ascent and descent, it includes 47 mountain tops across major ranges such as Moelwyn and Nantle Ridge. The event is..

The Post Hill Relay is a team running event held in Post Hill Woods, Pudsey, West Yorkshire. Scheduled for July 22, 2025, it features a 3-person relay around a 2.5-mile loop on trail paths, offering a scenic and challenging course without the steep hill reserved for a later challenge. The race welco..

The Urban Night Series - Inter Club Champs 2025 is a competitive team-based urban orienteering event held in Halifax, starting from Dukes Bar on Market Street. Teams of two race to visit as many of the 30 checkpoints as possible within a two-hour time limit, using maps provided at the start. The eve..

Summer Nights is a self-navigation trail race organized by Essex Trail Events, taking place at The Wheatsheaf in Hatfield Peverel, Essex. Scheduled for July 23, 2025, the race covers approximately 6 miles on a new route. Participants receive a written route description on the day, with no course mar..

The Summer Midweek Race 3 - The Off-road One is part of the Tempo Summer Midweek Race Series held in Ilmington, UK, at the Ilmington Sports & Social Club. This event offers a unique off-road running experience, distinguishing it from the other road races in the series. Participants can enjoy a chall..

The Wharncliffe Woods 10km Trail is a fully inclusive trail running event held at Grenoside Woods Car Park, Woodhead Road, Grenoside, UK. The race features an undulating 10km course that is traffic-free and offers stunning scenery throughout. Suitable for all runners aged 15 and over, the course is..

Stately Trails: Aske is a scenic running event held at Aske Hall, a Georgian country house near Richmond, North Yorkshire. Participants can choose between 5km and 10km trail races, or a 5km walk, all set within the exclusive estate's beautiful grounds featuring parkland, woodland, pasture fields, an..

The ZigZag Great Barrow Challenge Day 1 takes place at the Suffolk Running Centre in Bury St Edmunds, IP29 5AX. This event offers runners the choice of 5k, 10k, half marathon, full marathon, or ultra marathon distances, allowing participants to run at their own pace. Day 1 features the Denham Flats..

The Saltaire - Rock up N' Run - Summer Evening Series is a vibrant running event held next to the Leeds & Liverpool Canal near Salts Mill in Saltaire, Shipley. It features two race distances: a 5K and a 10K, catering to a range of runners. The event offers a welcoming atmosphere with on-the-day regi..

EpicTrails 8km - Hunting out more trails is a guided social run starting from Milngavie Train Station, exploring local trails along the Clyde Coastal Path, West Highland Way, and other scenic routes. The event emphasizes a friendly, inclusive atmosphere where no runner is left behind, with regroupin..