United Kingdom
Oct
25
Saturday
Blackwater Marathon
Blackwater Marathon 2025, the 25th edition, is staged from Drapers Farm Sports Club in Heybridge, Essex. This circular event on the north side of the River Blackwater estuary uses cross‑country footpaths and sections of seawall. Choices are 26.5 miles or 18 miles, with age restrictions: 26.5 miles for 18+, 18 miles for 14+.
The long route has three checkpoints; the shorter route has two. It forms part of the Essex & Herts Triple Challenge with the Herts Hobble and Essex Walker. Entry includes start refreshments, snacks at checkpoints, a light finish meal, and a finish certificate; parking is at Maldon Rugby Club car park.
No dogs except assistance dogs. Visit the organization's website for the most recent information.
Always double-check with the organizer's website – things can change, and we might have sprinted past a few details!
27 mi
26.5 Miles
18 mi
18 Miles
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