Trail Running calendar near Hafren Forest 2026-2027

Test your endurance at this 12 hour night running event in Bridgend. Navigate forest trails and hills across multiple 10 mile loops starting at dusk and finishing at dawn.

On Sunday 19 July 2026 the Wye Valley Tunnel Run near Chepstow offers Colourbust fun runs plus 10 km, half and full marathon courses along the Wye Valley Greenway, including over 1 km of tunnel, support stations and finish medals.

A scenic trail run in Herefordshire starting from Aymestrey. Choose between a 10-mile route with 1,800 feet of climb or a 5-mile option. The course features lanes, forest tracks, and trails.

Experience the woodland trails and lakeside scenery of Llys y Fran Lake in this professional series event. Featuring a timed path course through Pembrokeshire this trail run offers both ten and five kilometer distances.

Experience a guided three day journey through Northern Snowdonia covering 47 mountain peaks and 9000 meters of ascent. This fully supported 100 km loop offers a professional mountaineering experience in small groups.

A marked fell race in South Wales on 23 July 2026, covering 5.5 km with 315 m of climb. Entry on the day costs £3 and the minimum age is 16. Post race tea and cake are available; bring your own mug.

A 100 km route across the Brecon Beacons with 3178 m ascent, six staffed checkpoints and a 24 hour cut off. Entry by application on 25 July 2026 requires prior ultramarathon experience and competent map and compass navigation.

A 100 mile mountain ultramarathon following the Beacons Way National Trail through the Brecon Beacons. This self navigation race features over 6000m of ascent and passes the highest peaks in South Wales.

Run along the scenic banks of the River Severn on a flat disused railway line. Choose from multiple distances ranging from 9 miles to a 37 mile ultra marathon with regular support stations.

Experience the wild beauty of the Brecon Beacons with a range of trail races from 12km to 110km. This UTMB Index event offers multi-stage and single-day options through the rugged hills of Wales.

Join this flexible 7 hour time challenge at Dare Valley Country Park where you can run or walk any distance from 3km to an ultra-marathon on scenic well-maintained paths.

Test your stamina at MacTuffX Birmingham through a series of timed interval repetitions. Choose between solo, doubles, or relay categories across ten sets of 400 or 800 meters in this high energy summer event.

Test yourself on the highest peak in South Wales with a 5 or 13 mile trail race up Pen Y Fan. This supported mountain event features chip timing, finisher medals, and routes through the scenic Brecon Beacons.

Experience a 50 mile ultra marathon around the historic Epynt Way in Wales. This trail event offers 8,559 feet of elevation and scenic views of the Brecon Beacons without any time limits.

Discover the Rose Run with Phoenix Running South Wales at Parc Taf Bargoed, a scenic multi terrain out and back with a repeatable 5.3 km lap to build distances from 5 km to ultra. Rock up and run with staggered starts and limited spots.

Explore Birmingham's historic canal network and industrial heritage on a flat, off road circular course. Choose from distances of 18.5, 26.5, or 30 miles starting from Moseley Rugby Club.

Enjoy a scenic five mile multi terrain race through the Cheshire countryside starting in Moulton. All participants are rewarded with a traditional pie and peas supper at the finish line with various dietary options available.

A trail running event in the Brecon Beacons on 8 August 2026 offering 24K and 51K routes with marked kilometres, marshals, stocked aid stations, chip timing and a finisher medal. An event village provides food, drink and free race photos.

Explore the Clwydian Hills and Offas Dyke Path in this established North Wales challenge. Choose between 16, 24, or 32 mile routes featuring woodland trails and ridge views for both runners and walkers.

A 12 or 24 hour hill and trail event on Moel Famau where solo runners and teams complete as many 7.2 to 7.5 km laps with roughly 500 m ascent as they can. Camping, feed stations, timing and GPS tracking are provided.