Beast of the Beacons Ultra 40m plus 20m & 10mile

About this event

The Beast of the Beacons takes runners into the dramatic landscapes of the Brecon Beacons National Park, where the Welsh mountains serve up a serious test of endurance and navigation. Based in Llangynidr, the event offers three distances—a 40-mile ultra, a 20-mile challenge, and a 10-mile option—each threading through rugged moorland, steep ascents, and sweeping ridge lines. The terrain demands respect: exposed sections, technical descents, and the ever-present possibility of changeable mountain weather. This is classic Welsh trail running, where the landscape rewards those who come prepared with grit and good navigation skills. The longer distances require experience with mountain running and self-sufficiency, making this one for those ready to test themselves against the elements.

Distances