Blackwater Marathon

Heybridge, United Kingdom • 25 Oct 2025

The Blackwater Marathon is an annual event held at Drapers Farm Sports Club in Heybridge, Essex. Celebrating its 25th edition in 2025, the marathon features a circular route on the north side of the River Blackwater estuary, combining cross-country footpaths and seawall sections. Participants can choose between two distances: 26.5 miles with three checkpoints or 18 miles with two checkpoints. The event offers refreshments at the start, snacks at checkpoints, and a light meal at the finish, along with certificates for all finishers. It is part of the Essex & Herts Triple Challenge and requires suitable clothing due to potentially muddy and windy marsh conditions. Visit the organization's website for the most recent information.

Race information

27 mi
26.5 Miles
18 mi
18 Miles
Visit the organization's website for the most recent information.
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