Trail Running calendar near Hafren Forest 2026-2027

A guided mountain run on 12 September 2026 across the 15 Welsh 3,000 ft peaks in Snowdonia, covering about 30 miles with 4,000 m of ascent. Not a race; transport, guide and support vehicle included, minimum age 18.

A lap-based ultra in Bridgend, South Wales, on a 10-mile loop offering 50-mile (5 laps) and 100-mile (10 laps) options with aid stations, crew access, and set time limits.

Brutal Extreme Triathlons in Llanberis, North Wales challenge athletes with a lake swim, tough open road bike laps and a final climb of Snowdon via the Llanberis Path. Enter solo or as a relay team and test your limits on wild terrain.

A 13.1 miles road half marathon in Abersoch on the Llyn Peninsula that finishes with the final kilometre on the beach. The race uses ChronoChip timing, has multiple drink stations, on-course marshals and a beach finish with music and medals..

A 10km trail run at Cannock Chase Forest on 20 September 2026, open to entrants aged 15 and over, canicross friendly with live chip timing and finisher medal and refreshments.

A hilly trail event in the Cothi valley offering a 13 mile half marathon, a 6.5 mile alternative and a kids race, held at Pumsaint Village Hall with online entry and published route and results.

Three long-distance trail races follow the Wales Coast Path around the Gower Peninsula: *50 miles*, *34 miles* and *23 miles*. Routes use Coast Path signage, GPS traces and manned checkpoints with multiple refreshment points and tracking.

Run through scenic Margam Country Park with castle views in this chip timed trail event offering 5K and 10K options. Fully marked courses, water stations, finisher medal and award ceremony make it perfect for racers and fun runners alike.

Run through ancient woodland in the Forest of Dean at the Autumn Half Marathon starting and finishing at Speech House. This scenic 13 mile trail on well marked tracks supports local charities and awards a medal to every finisher.

Experience scenic trails at Delamere Forest with a Half Marathon or 10K on fully marked, chip timed routes and canicross options for runners with dogs. The eco friendly event features aid stations, photos and a wooden finisher's medal.

Take on the Town to Tower, an all uphill 10 km challenge from Ruthin to the Moel Famau tower, finishing above 550 m with sweeping views and varied terrain. Expect steep gullies, marshalled support and a truly rewarding summit finish.

Tackle 32 miles (50 km) of trails in the Cambrian Mountains around Lake Vrynwy with sweeping views toward the Shropshire Hills and Snowdonia. Limited to 100 runners, the Loop Ultra is fully marked and supported and offers camping, food, liv..

Tackle 55 km through the Forest of Dean, from ridges and dense woodland to the River Wye and Symonds Yat viewpoint. Technical single track and riverside sections offer scenic challenge and there is a canicross category.

A trail running festival at Cannock Chase Forest on 11 October 2026 offering half marathon, 10K, 5K and a junior race, with chip timing, a themed medal, race photos and an event village with food and partner goodies.

Take on the scenic Twin Peaks & Ras Consti in Aberystwyth, with a testing 11.7 kilometre senior route over Pen Dinas and Constitution Hill. Starts and finishes on the promenade with great views, cafes and family friendly junior races.

Enjoy autumn trails at Loggerheads Country Park on 17 October 2026 with fully marked, marshalled loops and quiet early starts. Choose 6 km, 12 km, or a 6 km canicross for a relaxed and scenic trail morning.

Take on the Brenig Way 50k, a scenic 50 km trail from Corwen to the dam at Llyn Brenig that winds through the Dee Valley, crosses into Conwy and climbs into Clocaenog Forest. Expect rugged climbs, technical descents and sweeping upland view..

Blaze the Biblins on 18 October 2026 is a scenic 10k trail race through ancient woods and riverbanks near Ross on Wye. Expect technical single track, climbs including the notorious Demon hill, and a lively village finish.

Halloween 7in7 at Pengethley Manor, Ross on Wye offers seven consecutive days of off road laps through vineyards and a hill, with distances from 5k to ultra. Walk or run any day or go virtual and collect seven themed medals.

Join the Witches Whisk at Pengethley Manor for a spooky Halloween trail across 2.5 km laps through vineyards and rolling offroad terrain. Pick 5k to ultra distances, ideal for runners or walkers after a fun seasonal challenge.