Leigh-on-Sea 10K Classic
The Leigh-on-Sea 10K Classic is set to become one of the standout summer races on the Essex running calendar. A fast, flat and scenic coastal route combined with a vibrant community atmosphere makes this much more than just another 10K.
- Sunday 5th July 2026
- Leigh Marina, Leigh-on-Sea, Essex
- 10K Race
- Fast & flat coastal route
Overview
The Leigh-on-Sea 10K Classic is a brand new summer race brought to you by Mammoth Events. Starting and finishing at Leigh Marina, the race combines a scenic seafront setting with an energetic race-day atmosphere designed for runners of all abilities — from experienced club runners chasing a PB to first-time 10K runners taking on a new challenge. With a fast and flat course, strong community support, music, timing, and a buzzing event village at the marina, the Leigh-on-Sea 10K Classic aims to deliver a memorable race-day experience from start to finish.
Whether you’re racing hard or simply soaking up the atmosphere, this is your chance to be part of the very first edition of a brand new coastal race for Leigh-on-Sea.
Race Highlights
- Fast & flat PB potential course
- Scenic coastal route
- Event village atmosphere at Leigh Marina
- Music & race-day energy
- Friendly community event
- Suitable for all abilities
- Timing
- Bespoke finisher medal
What’s Included
- Bespoke finisher medal
- Timing
- Aid station
- Marshalled & clearly marked route
- Event village at Leigh Marina
- Music & atmosphere
- Baggage drop
- Toilets
Event Information
Further race information, including final event details and race-day instructions, will be sent to all registered entrants prior to race day.
Location
Leigh Marina, Leigh-On-Sea, Essex, SS9 2ES
Directions
By Car
Leigh Marina is easily accessible from the A13 and surrounding Essex road network. Please note: There is no parking available at Leigh Marina itself. Paid public car parks are available within a 5-minute walk of Race HQ. Additional street parking is available in surrounding roads within walking distance of the marina. Please park respectfully and consider local residents. If possible, we encourage participants to car share, walk, or arrange drop-off where possible. Please allow extra time to park and walk to Race HQ before the start of the event.
By Train
The nearest station is Leigh-on-Sea Station, which is approximately a 10–15 minute walk from Leigh Marina. Regular services run from London Fenchurch Street and surrounding Essex stations.