Aberdyfi Half Marathon

Take on Reservoir Roundabout, an annual 12 or 20 miles walking or running challenge across the wild Elan and Claerwen Valleys from Elan Valley Visitor Centre. Non competitive and volunteer run, proceeds support local charities.

Ras Tarrenhendre Fell Race in Abergynolwyn, Wales on 31 January 2026 is a rugged 6 mile test with about 2000 ft of ascent across ridges, forestry and old slate quarries. Expect steep climbs, exposed summit running and a moorland descent.

Trail races in the Cambrian Mountains at Nant Yr Arian include a half marathon, 10 km and junior races on road free, waymarked routes. Run by Aberystwyth Athletic Club, the event supports local charities and offers food and race merch.

Explore the rugged Black Mountains at the Beast of the Blacks on Saturday 14 March 2026 with 11 miles, 20 miles or 40 miles options to suit any trail runner. Expect fully marked routes, generous support and a welcoming canicross friendly at..