The second half option of the Thames Path Challenge from Runnymede along the meandering river through Cookham to Henley-on-Thames, home of the regatta, to a celebration finish and family BBQ.
Starting and finishing at St Martha's, Guildford, this run features some of the best parts of the North Downs Way and surrounding areas, including the infamous Box Hill.
This 50k Ultramarathon starts and finishes in the picturesque market town of Alresford, near Winchester.