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The Hardmoors 55

Guisborough, United Kingdom • 21 Mar 2026

The Hardmoors 55 is a challenging 55-mile ultramarathon held in the North York Moors, running from Guisborough to Helmsley through the Cleveland Hills. The course features over 2700 meters of ascent and is mostly on the well-marked Cleveland Way National Trail. Participants face potentially harsh, winter-like conditions and must carry mandatory safety and survival gear throughout the unsupported race.

The event includes several checkpoints with food, water, and drop bag access, and runners have a 16-hour cutoff to complete the course. Strict rules prohibit support crews, and random kit checks enforce safety compliance. The race offers individual and relay categories, emphasizing endurance and self-sufficiency. Visit the organization's website for the most recent information.

United Kingdom North East (England) Guisborough

Race information

Website Registration
55 mi
2700 m+
55 Miles
Visit the organization's website for the most recent information.
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