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Black Cattle Ultra Gwartheg Duon

Cardiff, United Kingdom • 23 Aug 2025

The Black Cattle Ultra Gwartheg Duon is a challenging trail running event held in South Wales, starting at Cardiff Harlequins RFC. Participants can choose between two ultra distances: 44 miles from Llanthony Priory or 33 miles from Abergavenny. Both routes follow the scenic Cambrian Way to Cardiff, passing through mountains, wooded valleys, picturesque villages, and notable landmarks like the fairy tale Castle Coch near the finish. The course features significant climbs, historic towns, and stunning natural landscapes, offering a rewarding experience for trail runners. Organized by Ridge Runners, this event emphasizes community spirit and quality trail racing in the region. Visit the organization's website for the most recent information.

United Kingdom Wales Cardiff

Race information

Website Registration
71 km
44 Mile - 71k Ultra
53 km
33 Mile - 53k Ultra
Visit the organization's website for the most recent information.
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