Trail Running calendar near Cwmbran 2025-2026

We have found 225 Trailruns within 80 miles of Cwmbran. See below where and when you can find the races.

The Holly Challenge is an exciting running event organized by How Hard Can It Be Events, set to take place in Lightmoor, Telford. Participants can choose from four distances: 5K, 10K, Half Marathon, or Marathon, making it suitable for runners of all levels. This event marks the first race of the yea..

Saturn Running's "Spice Up Your Run - Wales" is a fun and inclusive running event held at Dare Valley Country Park in Aberdare. Participants can walk or run a minimum of 3km, with options to complete laps of approximately 7km each, allowing distances up to 50km, including half-marathon, marathon, an..

The Pagan Midwinter Marathon, held in Chagford, Devon, is a challenging trail running event set in the mythical, pagan landscapes of Dartmoor. Scheduled for January 24, 2026, it offers two distances: a marathon of over 28 miles with more than 1500 meters of ascent, and a half marathon exceeding 14 m..

The Stonehenge Stomp is a popular walking and running event organized by the City of Salisbury Athletics & Running Club, held near the iconic Stonehenge site. Participants can choose from fully marked trail distances of 5 km (family-friendly), 10 km, 20 km, 30 km, or 40 km, all offering scenic views..

The Moors Valley Wildwood Trail Series Half Marathon & 10K is a trail running event held at Moors Valley Country Park & Forest in Dorset. Scheduled for January 25, 2026, it offers two distances: a half marathon consisting of two laps and a 10K with one lap. The course features scenic woodland trails..

The Icing On The Cake is a thrilling trail running event set in the picturesque Shropshire Hills, featuring both half (13.1 miles) and full (26.2 miles) marathon options. Scheduled for February 1, 2025, participants will navigate a scenic route that showcases the rugged beauty of the area, starting..

February 2026

The Haldon Winter Series is a trail running event held in the scenic Haldon Forest, Devon. It offers a variety of distances including 2.5K, 5K, and 10K runs, with options for both trail runners and canicross participants. The course is fully marked and features water points along the way.The event i..

The Westonbirt Arboretum Winter Night Race is an exciting running event set in the stunning National Arboretum, featuring over 2,500 tree species. Participants can choose between 5km and 10km routes, which showcase the arboretum's diverse landscapes and solid terrain, providing a unique blend of tra..

The Exeter Half Marathon, organized by Exeter City Community Trust, is a popular running event held in Exeter, UK. The race features a two-lap, 13.1-mile (half marathon) course starting from Piazza Terracina, Haven Road, and follows a scenic route along Exeter’s historic Quayside and Riverside Valle..

The Portland Coastal Marathon is an exciting running event set to take place at the Weymouth and Portland National Sailing Academy. Scheduled for February 9, 2025, it features a full marathon, half marathon, and a 10k, catering to runners of all abilities. Participants will navigate the scenic South..

The Westonbirt Arboretum Winter Day Race is a scenic running event set in the stunning National Arboretum, featuring over 2,500 tree species. Participants can choose between a 5km or 10km race, with routes that showcase the beauty and diversity of the arboretum's landscape. The event is designed to..

The Trails & Tarmac Backyard Ultra, organized by Limitless Trails, is a challenging endurance event held near Crickhowell in the scenic Black Mountains, Powys, UK. Participants run a 4.2-mile (approximately 4.17 miles in some editions) loop combining equal parts trail and tarmac, featuring mostly fl..

The Dalwood 3 Hills is a popular multi-terrain running event held in Dalwood, near Axminster, Devon. Scheduled for February 15, 2026, it offers three distances: a challenging 10-mile course featuring hills, mud, and river crossings; a 5km "Dalwood Dash" with similar terrain; and a new 3km "Dalwood D..

The Dartmoor Winter Traverse is a fully supported endurance event held on Dartmoor, UK, offering two distance options: a challenging 50 km ultra and a 30 km route from Princetown to Meldon. Taking place in February, the course traverses remote and wild moorland, including landmarks such as Red Lake,..

The Two Tunnels Races, taking place in February 2026, offer a unique running experience through Bath's historic underground tunnels, the longest of their kind in the UK. Participants can choose from a variety of distances, including ultra marathons, half marathons, 10km, 5km, and family-friendly Col..

March 2026

The Brecon to Cardiff Classic is a 70-kilometer ultra running event held annually in Wales, following the scenic Taff Trail from Brecon in the Brecon Beacons National Park to Nantgarw near Cardiff. The fully marked, one-way course showcases diverse landscapes, starting with dramatic mountain scenery..

The St David's Day Dragon Run 2026, organized by Saturn Running, takes place in the scenic Dare Valley Country Park in Aberdare, Wales. This 7-hour time challenge allows participants to run distances of their choice, starting from a minimum of 3km. The course features well-maintained footpaths with..

The Weymouth Bay 10K is a scenic charity fun run held in Weymouth, Dorset, starting at Bowleaze Green near the Riviera Hotel. The course is an accurately measured out-and-back route featuring two laps, extending towards Pleasure Pier and returning via Overcombe. The mostly flat road terrain (88%) of..

The Imber Ultra is an annual trail running event covering over 33 miles, organized by Avon Valley Runners and the Rotary Club of Westbury. Held in the scenic Wiltshire area, the race offers a challenging course with multiple checkpoints, attracting trail running enthusiasts seeking a long-distance a..

The Brecon to Cardiff Xtreme is a challenging 47.5-mile (75 km) winter mountain ultramarathon held in Wales, traversing 11 peaks from Brecon to Cardiff with approximately 2,680 meters of ascent. It demands excellent winter mountain running skills and fitness. The route starts at Brecon’s canal basin..