Trail Running calendar near Narberth 2025-2026

We have found 89 Trailruns within 80 miles of Narberth. See below where and when you can find the races.

The Smurf Run in Wales, organized by Saturn Too, takes place at the scenic Dare Valley Country Park in Aberdare. This inclusive event welcomes participants of all abilities, including walkers, and features a 7-hour time challenge where runners can choose their distance, starting from a minimum of 5k..

December 2025

The Secret Santa Tinsel Half Marathon, along with the Tinsel Twelve 12k and Turkey Ten miles, is a festive running event taking place in the scenic Black Mountains. Participants can enjoy beautiful trails while embracing the holiday spirit by dressing up and bringing a small wrapped gift for a Secre..

The Winter Celtic Trail Races, taking place in December 2025, offer a thrilling trail running experience across three distances: a 50k ultra, a full marathon, and a half marathon. Set in the stunning landscapes of Afan Forest and the Rhigos mountain range, participants will navigate ancient Celtic t..

The Nightmare Before Xmas Trail ½ Marathon is a challenging running event set to take place at the Bridgend Miniature Railway Centre. Participants will tackle a mixed terrain course that includes an 8-mile section known as The Hateful Eight, followed by an additional 5 miles filled with obstacles li..

The A Christmas Carol Bobble Hat Run, organized by Saturn Too, takes place in the scenic Dare Valley Country Park, Aberdare, Wales. This inclusive event welcomes participants of all abilities, including walkers, and features a 7-hour time challenge where runners can choose their distance, starting f..

January 2026

The Cardiff Trail 10k is an exciting running event set against the stunning backdrop of Castell Coch. Scheduled for January 18, 2026, this newly introduced race offers participants a unique blend of competition and natural beauty, making it an ideal choice for both experienced runners and newcomers...

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 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..