Trail Running calendar near Builth Wells 2025-2026

The Gower Ultra 50, Ultra Bach, and 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 fu..

The DirtRun Wyre Wizard Trail Half is a trail running event held at the Wyre Forest Visitor Centre near Kidderminster, UK. Participants can choose between a challenging 13-mile half marathon or a shorter 7.6-mile Super Seven route. The course winds through ancient woodland and scenic landscapes, off..

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 ru..

The Monross Trailblazers - Blaze the Biblins is a trail running event held on October 5, 2025, at Biblins Youth Campsite near Doward, Ross-on-Wye, within one of Britain's finest Areas of Outstanding Natural Beauty (AONB). Covering approximately 6 miles (10k), the course features a mix of climbs, fla..

The Loop Ultra is a 32-mile (50 km) trail running event held at Camp Plas near Dolanog, Welshpool, in the remote Cambrian Mountains of Mid Wales. This challenging ultra features marked routes through rugged trails, forest tracks, and ancient paths, passing stunning Lake Vrynwy and offering spectacul..

The RunThrough Cannock Chase Running Festival, held on October 12, 2025, takes place at Forest Lodge, Birches Valley, within the scenic Cannock Chase Forest, an Area of Outstanding Natural Beauty near Stafford and Birmingham. The event offers multiple race distances including 5K, 10K, a half maratho..

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 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 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 section, complete with a stream crossing. The..

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 trail 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 asc..

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 at George Town Boys and Girls Club in Merthyr Tydfil, the course follows the Taff Trail and trails alongside the River Taff towards Beacons Reservoir. Runners then cross the A470 to asc..

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

Endurancelife Gower offers a series of trail running events including 10K, half marathon, marathon, and ultra distances set in the stunning Gower Peninsula, the UK's first designated Area of Outstanding Natural Beauty. The courses traverse diverse and challenging terrain such as cliff tops, woodland..