Trail Running calendar near Haverfordwest 2026-2027

Test your endurance with this 12 hour Backyard Ultra near Crickhowell. Complete a 4.2 mile loop every hour for 11 laps before competing in a final sprint race to determine the winner.

Experience a 30 mile trail ultra marathon through the Brecon Beacons featuring a climb to the summit of Pen y Fan. This marked course offers technical trails and scenic reservoir views with four fully stocked aid stations.

Explore the forest trails of Margam Park with a choice of three distances: 5 km, 10 km, or a half marathon. The fully marked routes include checkpoints, and your entry covers parking, timing, and a finisher's medal. A mandatory kit list ens..

Saturn Running's Smurf Run in Wales is a flexible 7-hour Time Challenge at Dare Valley Country Park. Run your chosen distance on scenic paths and earn a themed medal, goody bag, and snacks. All finishers get ice cream, and free parking is a..

Experience the scenic trails of Afan Forest in the final event of the 2026 RTT Series. Choose between a 5km or 10km route featuring chip timing and marshalled trails starting from Bryn Bettws Lodge.

Test your endurance in the Black Mountains with three challenging trail races ranging from 14 km to a half marathon. Experience technical terrain and steep mountain ridges in the heart of the Brecon Beacons National Park.

Experience a winter trail adventure through the Afan Forest and Rhigos mountain range with three marked distances. Enjoy river crossings and mountain views before finishing at Dare Valley Country Park.

Embark on a unique winter trail half marathon in Bridgend featuring technical forestry trails and a festive atmosphere. Tackle the Hill of Doom and enjoy seasonal treats and a bespoke medal at this limited entry event.

Celebrate the holiday season with a festive 2.5km or 5km run at Dare Valley Country Park. Enjoy scenic paths, fancy dress prizes, and a Christmas medal for every finisher at this family friendly event.

Celebrate Welsh culture with a flexible seven hour time challenge at Dare Valley Country Park. Run any distance from 3km to an ultra-marathon on well-maintained paths with a full aid station and finisher medals.