Trail Running calendar near Nantgarw 2025-2026

We have found 246 Trailruns within 80 miles of Nantgarw. See below where and when you can find the races.

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..

The Hameldown Hammer is a premier trail running event set in Dartmoor, featuring its 10th edition of the Half Marathon, the 9th edition of the 7EVEN, and the inaugural Ultra Hammer. Participants will experience challenging courses with significant elevation gains, showcasing Dartmoor's stunning land..

March 2026

The St David's Day Dragon Run 2026, hosted by Saturn Running, takes place in the scenic Dare Valley Country Park, Aberdare, Wales. Celebrating the patron saint of Wales, this event offers a unique 7-hour time challenge where participants can choose their running distance, starting from a minimum of..

April 2026

The MTC Gelert is a challenging 47-mile ultra marathon that takes place from Barmouth to Llanidloes, following the scenic National Cycle Route 8. Scheduled as part of the Mount to Coast End to End Challenge Series, it serves as Day 3 of the CYMRUN, a six-day multi-race event covering 256 miles acros..

The MTC Afanc is a challenging ultra marathon event covering approximately 39.8 miles, part of the Mount to Coast End to End Challenge Series. Set along the scenic National Cycle Route 8, the race starts at the River Wye Activity Centre in Glasbury and finishes in Merthyr Tydfil. This event is also..

The MTC Y Draig Goch is a challenging ultra-running event covering 47 miles, part of the Mount to Coast End to End Challenge Series. Set to take place in April 2026, the race starts at Travelodge in Merthyr Tydfil and follows the scenic National Cycle Route 8 to Llanidloes, concluding at Marco's Caf..