Pegasus - The RIDUM

Event overview

The RIDUM 2026 is a 30-mile ultra running event on September 5, 2026, around the Rhymney Valley Ridgeway Walk in South East Wales. The course uses a waymarked long-distance footpath that forms a circular route around the ridge tops of the Caerphilly basin and encircles the River Rhymney. The route includes lanes, trail and woodland, with total ascent reported as 4,252 feet. The highest point on the trail is Mynydd Machen at 362 metres (1,188 ft), which the course goes over.

Route, support and requirements

There are three staffed checkpoints along the route. Checkpoints are described as stocked with snacks, fresh fruit, hot and cold drinks, seating, power banks and music. The organiser states there are no time limits for reaching the finish. Compulsory kit includes appropriate footwear, a 1-litre water carrier, mobile phone, a compass or compass app, a headlamp or other light source for tunnels or night-time, a foil blanket, waterproof jacket and a rucksack. Entry includes a Pegasus medal, post-race care, access to the supplied checkpoints and race crew support. A race day schedule covers registration, a warm-up session and a pre-event briefing before the start. Visit the organization's website for the most recent information.