Walks & Treks
Thames Bridges Trek 2025
Explore London’s stunning skyline on an exciting 25km trek.
Date
Sat, 13 September 2025
Location
Putney Bridge
Trek through London’s famous landmarks with 2,000 fellow adventurers by your side
Starting at Putney Bridge, head east, crossing the historic Thames bridges, each with its own unique character. Take a break at Vauxhall Pleasure Gardens to enjoy some tasty snacks and drinks. After 25km of riverside adventure, finish in Southwark, where Tower Bridge stands tall as the perfect finishing point.
As an official partner of the event, Guy’s Cancer Charity offers you a 50% discount on the ‘Full Sponsorship’ registration fee when you sign up to support our cause.
Take on the Thames Bridges Trek 2025 and make a lasting impact on cancer care. Your support will help provide patients and families with the latest in personalised care while funding pioneering research and innovative treatments led by the inspiring Guy’s Cancer team.
For the full details of prices and to sign up visit the Ultra Challenge website.
Event information
Booking fee
From £30
Challenge level
Beginner - Advanced
Distance
25km
What you’ll get
- Regular covered rest stops, with free food & drink, massages, and medics
- An epic finish line moment, with a glass of fizz, medal, and t-shirt
- Full fundraising support, and a choice of fundraising options
- Inclusive & fun event with a great atmosphere and camaraderie
- A fully signed route, with a team of ‘Trekmasters’ out on the trail with you
Fundraising options
Full Sponsorship
You pay a small registration fee, do lots of fundraising and we cover the cost of your event place!
For 25km registration fee is £30, fundraising target of £275.
Mixed Funding
You pay half of the event place cost yourself, fundraise a bit less and we pay the balance of the event place cost.
For 25km registration fee is £50, fundraising target of £150.
Own Place Fundraising
You pay the full cost of the event place – fundraise whatever you can, with no set target or deadline, and there’s no event place cost at all to the charity – us!
For 25km registration fee is £89.