Three Castles 50Km

Rochester, United Kingdom • 30 May 2026

The Three Castles 50km Ultra Marathon is a scenic race held in Kent, England, starting in Rochester and finishing at Tonbridge athletics track. The flat course follows the River Medway, passing three medieval castles, charming villages, and lush countryside along the Medway Valley Walk. Runners experience a mix of towpaths, trails, and paved sections, with three fully stocked aid stations and medical support. The event offers live race timing, a bag transfer service, and a celebratory finish with medals for finishers within the time limit. The race emphasizes safety with a staggered wave start and strict cut-off times, making it suitable for both seasoned ultra runners and newcomers. Visit the organization's website for the most recent information.

Race information

50 km
50km Ultra Marathon
Visit the organization's website for the most recent information.
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