The Ridum

The RIDUM 2025 is a challenging 30-mile ultra marathon set along the Rhymney Valley Ridgeway Walk in South East Wales. Participants will traverse varied terrain, including lanes, trails, and woodland, with a total elevation of 4,252 feet. The route features notable points such as Mynydd Machen, the highest point on the trail.

The event emphasizes enjoyment and personal challenge over strict time limits, offering fully stocked checkpoints and post-race care. Runners are encouraged to bring appropriate gear and embrace the adventure. The race aims to explore lesser-known trails near Cardiff, providing a scenic and rewarding ultra running experience. Visit the organization's website for the most recent information.