Black Cattle Ultra Gwartheg Duon

The Black Cattle Ultra Gwartheg Duon is an ultramarathon event scheduled for August 23, 2025, in Cardiff. Organized by Ridge Runners, participants can choose between a 44-mile or a 33-mile course. The race begins at Llanthony Priory or Abergavenny, following the Cambrian Way to Cardiff, passing scenic locations such as Castle Coch, mountains, wooded valleys, and picturesque villages.

The event is suitable for runners aged 18 and older and features challenging routes designed for experienced ultramarathoners. Entries open in March 2025, with limited participants, and the event promises a rewarding mountain ultra experience. Visit the organization's website for the most recent information.