Black Cattle Ultra Gwartheg Duon
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About the race
Black Cattle Ultra Gwartheg Duon is a South Wales ultra organized by Ridge Runners, offering two distances: 44 miles and 33 miles. Runners start from Llanthony Priory in the Black Mountains or from Abergavenny, following the Cambrian Way to Cardiff and finishing near Castle Coch in Cardiff. The routes traverse mountains, wooded vales and picturesque villages, delivering a demanding yet rewarding mountain ultra with a memorable finish.
The 44‑mile option is about 71 km and the 33‑mile route about 53 km. The event emphasizes a friendly, community ethos, with on-course aid stations, indoor loos, and locally crafted finishers mementos that reflect a sustainable approach. Visit the organization's website for the most recent information.