Blackwater Trail Events

Blackwater Trail Events

Sunday, 24 May 2026

Chelmsford to Heybridge Basin / Tollesbury, Essex, UK

Follow event Run/Walk Off Road/Trail Self-Navigation

The Blackwater Trail Events on 24 May 2026 includes a point to point Marathon and Half Marathon trail run in Essex.

Starting in Chelmsford at the end of the Blackwater navigation, the course follows a series of footpaths through the Essex countryside to Heybridge Basin, where the Half Marathon finishes.

The Marathon continues along the Saltmarsh coastal trail footpath to Goldhangar before heading inland on to the trails before finishing in Tollesbury.

This is a self-navigation event via GPX file or written instructions. There will be aid stations at regular intervals.

This is a cup-free event - bring your own cup/water bottle for refilling at aid stations during the race.

Organiser

Hare & Tortoise Running

Distances/Events

Half Marathon
Marathon

Location map

The event starts at Chelmsford; the Half Marathon finishes at Heybridge Basin and the Marathon at Tollesbury.

Please note: the map location may be approximate. Refer to the event website for start lines and course maps.

Disclaimer

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Always check with the official event website and/or facebook page for the most recent information. 

This listing was last manually checked on 23 February 2026.

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