The Thames Ring 2017 was won by John Stocker in a new course record of 58 hours 53 minutes.
The Thames Ring is a 250 mile loop around London and started on June 28th in Streatley-on-Thames travelling in an anti-clockwise direction. The route is mainly on canal and riverside paths and relatively flat.
Runners have 100 hours (4 days 4 hours) to complete the run, navigating using maps and being supported by checkpoints every 25 miles or so.
There were 24 finishers with 28 retirees.