Calverley Chaos

Leeds, United Kingdom • 4 Oct 2025

Calverley Chaos is a 12km (7.5 mile) trail race held on the fully marked Calverley Millennium Way Footpath near Calverley Bridge, Leeds. Organized by Great Owl Running, the event features a unique single-loop course where runners choose to run either clockwise or anti-clockwise, adding an element of "chaos." The undulating route includes public footpaths and canal towpaths with about 200m elevation gain. The race starts and finishes at The Railway Inn, which offers facilities such as toilets and bag storage. Participants must carry mandatory gear including a windproof jacket and water container. The event is limited to 100 runners, promoting a friendly and well-supported atmosphere. Visit the organization's website for the most recent information.

Race information

12 km
200 m+
12km / 7.5 Miles
Visit the organization's website for the most recent information.
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