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Pegasus - The RIDUM

Caerphilly, United Kingdom • 5 Sep 2026

The RIDUM is a 30-mile ultra marathon held in South East Wales, following the Rhymney Valley Ridgeway Walk. This challenging trail run features 4,252 feet of elevation, taking participants across ridge tops around the Caerphilly basin with stunning views of the surrounding landscape. The route includes varied terrain such as lanes, trails, and woodland, with the highest point at Mynydd Machen, a 362-meter hill. The event emphasizes a supportive and adventurous atmosphere, with no strict time limits and fully stocked checkpoints offering refreshments and rest. Runners receive a Pegasus medal and post-race care, making it a well-organized and rewarding ultra running experience. Visit the organization's website for the most recent information.

United Kingdom Wales Caerphilly

Race information

Registration
30 mi
4252 m+
30 Mile Ultra Marathon
Visit the organization's website for the most recent information.
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