Set against the wild, open landscapes of the Black Mountains and Bannau Brycheiniog (Brecon Beacons), the Black Beacon Mountain Races are a true journey through the heart of Welsh mountain running.
From fast, flowing trails and waterfall-lined valleys to iconic ridgelines and big summit views, every distance delivers the same sense of scale and adventure. Whether you’re taking on the full 100-mile out-and-back traverse, a classic south-to-north ultra, or one of the shorter but no less spectacular races, you’ll experience runnable terrain, straightforward navigation, and constantly changing gorgeous scenery.
This is a challenge that feels wild and adventurous — but perfectly designed to let you focus on running, moving, and soaking in an unforgettable mountain experience. All routes are marked so you can concentrate on the views and not the navigation.
You will also be supported by our wonderful volunteers and professional event staff with well stocked checkpoints along the course:
13 for the Black Beacon 100
6 for the Black Beacon 50
4 for the Ultra Bach
3 for the trail race.
Race Distances
Black Beacon 100 - 100 miles, +7500m ascent, 42hr time limit
Black Beacon 50 - 50 miles, +3750 ascent, 24hr time limit
Black Beacon Ultra Bach - 50 KM, +2200m ascent, 14hr time limit
Black Beacon Trail Race - 21 miles, +1200m ascent, 12hr time limit
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