Greenwich Tunnel 10km
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Greenwich Tunnel 10km 2026
The Greenwich Tunnel 10km is an evening running event in Greenwich, London, with the start area located next to the Cutty Sark on King William Walk. The route runs inside the Greenwich foot tunnel and passes underneath the River Thames.
The advertised distance is 10 km, which is completed by running 27 laps of the tunnel. The event combines a physical and a mental component through repeated tunnel circuits and the confined tunnel environment.
All finishers receive a medal, water and a snack. Race times and finish positions are published within a day of the event.
On race day, number collection is handled at a registration desk that opens an hour and a half before the race. The start uses a staggered format from the descending steps, with 10 second intervals between runners.
Organiser information and the venue address are provided for the event. The organiser is Run Happy Run Healthy and the venue is listed as next to the Cutty Sark, King William Walk, London SE10 9HT. Visit the organization's website for the most recent information.
