Trail Running calendar near Aberdyfi 2025-2026

Take on the Yr Wyddfa Snowdon Ultra 50, a rugged 45 mile mountain ultramarathon across epic Snowdonia scenery to the Snowdon summit. Based in Betws y Coed on 5 September 2026, the race offers live tracking, checkpoint support and finisher m..

Overview The Dragon’s Back Race is a multi-stage ultra running event across Wales. The full route runs from Conwy Castle to Cardiff Castle and is held each September. Key metrics for the full course include: 380 km 6 days 16,400 m ascent..

Join a guided, non competitive mountain run across the 15 Welsh 3000s in Snowdonia, a rugged 30 mile traverse with 4,000 m of ascent including Crib Goch. Expert guides, transport and support are included for experienced runners.

Brutal Extreme Triathlons presents multiple intense triathlon races over four days in stunning Llanberis. Test your endurance amid dramatic Welsh mountain scenery in mid September 2026 with fellow athletes who crave a true challenge.

Test your grit in the Black Mountains at Trails & Tarmac Backyard Ultra in Crickhowell on 19 Sep 2026, running hourly 4.2 mile loops over trail and tarmac. Last runner to complete a loop wins, with medics, toilets and showers on site.

Join Lone Wolf Birmingham at Wyre Forest for an hourly 6.8 km loop where you must finish each lap to keep going and battle for a final sprint on lap 24. Pick 10k, half marathon, marathon or ultra and enjoy trails and the on site cafe.

Take on Dawn To Dusk. Day Light Robbery, a 12 hour loop challenge at Bridgend Miniature Railway where runners rack up laps on mixed trails, hills and technical descents. On site support, snacks and a bespoke medal await.

Take on the Nightmare Before Xmas Trail half marathon in Bridgend for a festive, muddy adventure across forest, road and rugged trail. Fancy dress is encouraged with a prize and finishers enjoy mince pies, hot drinks and a bespoke medal.