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Brecon to Cardiff Xtreme

Name: Brecon to Cardiff Xtreme
Start: 2026-03-01
End: 2026-03-01
Location: Nantgarw

Nantgarw, United Kingdom • 1 Mar 2026

The Brecon to Cardiff Xtreme is a challenging 47.5-mile (75 km) winter mountain ultramarathon held in Wales, running from Brecon to Cardiff over 11 peaks including Pen Y Fan, the highest peak in South Britain. With approximately 2,680 meters of ascent, the course demands excellent winter mountain running skills and fitness. A shorter Taff Xtreme Marathon covers the second half of the route from Merthyr to Cardiff, featuring about 1,300 meters of ascent. The race is linear, with transport provided from the finish to the start. The event offers well-stocked checkpoints, GPS tracking, and a supportive atmosphere, finishing at Coleg Y Cymoedd near Cardiff. Visit the organization's website for the most recent information.

United Kingdom Wales Nantgarw

Race information

Website Registration

75 km

2800 m+

Brecon to Cardiff Xtreme 75 Kilometer Ultra Marathon

26 mi

1300 m+

Taff Xtreme Marathon

Visit the organization's website for the most recent information.

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UTMB Index

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