Leigh-on-Sea 10K Classic

View all races for Jul 2026

The Leigh on Sea 10K Classic is organised by Mammoth Events and starts and finishes at Leigh Marina in Essex. This summer road race combines a fast coastal course with a welcoming community atmosphere, attracting runners of all abilities from experienced club athletes to those taking on their first 10K.

The route follows a flat and scenic seafront course, providing excellent conditions for runners targeting a personal best while enjoying views along the Essex coastline. The marina setting creates a memorable backdrop, with the event village bringing together participants and spectators before and after the race.

The event features chip timing, a fully marshalled and clearly marked course, an aid station, baggage facilities and a bespoke finisher's medal. Combining a fast coastal route with a lively race day atmosphere, the Leigh on Sea 10K Classic has quickly established itself as an exciting addition to the Essex running calendar.

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