Trail Running calendar near Hafren Forest 2025-2026

The Breidden Hills Race, organized by Mercia Fell Runners, is a challenging fell running event set in the scenic West Midlands. Participants will tackle a distance of 11.5 km with a total ascent of 790 meters, making it a demanding course for runners. The race requires pre-registration and is open t..

Loggerheads Autumn Trails is an exciting running event featuring longer versions of popular 5k and 10k races, set in the scenic Loggerheads Country Park. Participants can choose from a 14k race, which consists of two loops of a 7k course, or a 7k Canicross discipline, welcoming runners of all abilit..

The Scare Bear Run in Aberdare, hosted by Saturn Running, is a unique 7-hour time challenge event set in the scenic Dare Valley Country Park. Participants can choose their distance, starting from a minimum of 3km, with laps of approximately 4.37 miles (7km) on well-maintained paths offering beautifu..

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

The Brenig Way 50K Trail Race is a challenging ultramarathon that covers 50 kilometers through remote upland scenery in Wales. Starting in Corwen, participants follow a marked footpath along country lanes, forest tracks, and riverside paths, crossing notable landmarks such as Clocaenog Forest and Ll..

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 a 23-mile running event held in Droitwich, United Kingdom, organized by Pulse Events. The 2025 edition starts and finishes at the Droitwich Rugby Club, featuring a scenic clockwise loop along the Droitwich Canal and Worcester & Birmingham Canal, passing landmarks such as Di..

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 Races, held in South Wales' Black Mountains and Brecon Beacons National Parks, offer four challenging trail running events: a 100-mile ultramarathon, a 50-mile ultramarathon, a 50km Ultra Bach, and a 21-mile trail race. The courses feature spectacular mountain scenery, incl..

The Black Beacon Mountain Trail Races are challenging long-distance running events held in South Wales, crossing the Brecon Beacons and Black Mountains National Parks. Starting in Hay on Wye, the races offer four distances: 100 miles (+7500m ascent), 50 miles (+3750m ascent), 50 km (+2200m ascent),..

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 challenging 30-mile trail race set in the scenic Brecon Beacons, South Wales. Starting in Merthyr Tydfil, the course follows the Taff Trail and riverside paths before ascending to Pen y Fan, the highest peak in South Wales at 886 meters. Runners then descend via Jacobs La..

The Delamere Forest 42k and 21k trail races, organized by RunThrough UK, take place in the scenic Delamere Forest near Northwich, Cheshire, on November 2, 2025. The marathon consists of two laps of the half marathon route, featuring shaded forest trails, views of Blakemere Moss, the Sandstone Trail,..

The Twmbarlwm Terror is a challenging multi-terrain race organized by Fairwater Runners Cwmbran, held near Risca, South Wales. Covering approximately 7 miles, the scenic course traverses footpaths, open fields, country lanes, and woodland, ascending to the Twmbarlwm peak with a total elevation gain..

The Beacons Ultra is a challenging trail running event held in November in Talybont-on-Usk, Powys, at the foothills of the Brecon Beacons, Wales. It features three race distances: a 49-mile ultra consisting of two loops plus an out-and-back to Pen y Fan, a 26-mile marathon following a single loop of..

Endurancelife Gower offers a stunning trail running event set in the UK's first designated Area of Outstanding Natural Beauty. Located on the Gower Peninsula, the courses showcase diverse landscapes including cliff tops, woodland, sand dunes, and famous beaches. Participants can choose from 10K, hal..

The Poole Half Marathon MoRun is a vibrant running event held at Upton Country Park, Poole. It offers multiple distances including a 1.5k Mini MoRun for kids, 5k, 10k, and a half marathon, catering to all ages and abilities. The course is mostly off-road with a mix of trails, muddy sections, and pat..

The Anglesey Trail Half Marathon & 10k is a scenic trail running event held in Newborough Forest and Ynys Llanddwyn, Anglesey, North Wales. The race offers two distances: a 10k and a half marathon (21.1 km), featuring beautiful woodland trails, sandy paths, and stunning views of Llanddwyn Island, th..

DirtRun In The Dark is an off-road running event held at The Wyre Forest, Callow Hill Visitor Centre. Participants tackle a 10km course consisting of two laps around forest tracks and trails, all run in the dark, making torches compulsory. The race welcomes runners aged 14 and above and allows canic..

The Trails & Tarmac 12hr Backyard Ultra is a challenging endurance running event held near Crickhowell in Powys, UK, set in the scenic Black Mountains. The race features a 4.2-mile loop combining equal parts trail and tarmac, with mostly flat terrain, one gradual climb, and a short steep section, pr..