
Join 2,500 walkers and trek 25km across our capital, with unrivalled views of the skyline and landmarks – plus the chance to fundraise for Dogs for Good!
From a Putney Bridge start, it’s east towards London city – zigzagging over 16 historic bridges, each with a fascinating story, and a mid-point rest stop at The Oval cricket ground for snacks and drinks. 25km later, beyond Tower Bridge, it’s a party celebration at the finish line and an afternoon picnic in Southwark Park! Looking for a shorter route? There’s also a 10km option available.
Sign up as an individual or as a team and get full support all the way – with plenty of food and drink, a special medal, t-shirt and celebration finish.
Push yourself further in 2026, take on an Ultra Challenge – the UK’s number one series of treks and trail challenges.
Get the full details and sign up.