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Home > News & events > Fundraising events > Thames Bridges Trek 2025
Join 2,000 trekkers and venture 25km across the Capital, taking in unrivalled views of the skyline from its best vantage points – its bridges!
Get the ‘Ultra Challenge’ support and hospitality all the way – helping you to push yourself further and achieve something really special, while raising vital funds towards the next type 1 diabetes breakthrough.
Setting out from Putney Bridge, you’ll head east towards the City, zig-zagging over the array of historic bridges – each with its own fascinating story. There will be a midpoint stop at Vauxhall Pleasure Gardens for some snacks and drinks.
Your challenge will culminate in one final push across the majestic Tower Bridge, before you reach the finish line in Southwark Park.
As you cross the finish line, you’ll get a hero’s welcome, a glass of fizz, an Ultra Challenge T-shirt, and a special medal to celebrate your achievement.
Your entry includes free food and drink at regular rest stops, plus support including medics, marshals and massage.
As we’re an official partner on this event, you get a 25% discount on the ‘full sponsorship for charity’ registration fee when signing up to support us.
Option 1: Full sponsorship for charity
25km – £30 registration fee, plus £275 sponsorship target 10km – £20 registration fee, plus £100 sponsorship target
Option 2: Mixed funding for charity
25km – £50 registration fee, plus £150 sponsorship target 10km – £22.50 registration fee, plus £70 sponsorship target
Option 3: Self-funded charity fundraising
25km – £89 registration fee, then raise whatever you can 10km – £39 registration fee, then raise whatever you can
Register now for Thames Bridge Trek 2025
This event is part of the Ultra Challenge series, organised by Action Challenge. Each year, 35,000 participants take on these hugely popular events. To date, they have helped raise over £7 million for good causes.
See what other exciting challenges they have on offer.
Head to the Ultra Challenge website to find out more and book now!
If this event doesn’t quite fit the bill, there are loads more to choose from. Have a browse of our other walk and trek events:
Join us in Glasgow, Aberdeen, Dundee or Edinburgh and help make a difference for people living with type 1 diabetes.
Three peaks, 25 miles and 12 hours – are you ready to take on this exhilarating trek challenge?
We are so excited to be bringing One Walk to the East Midlands this year, with a jam-packed event village and a 5km route.
Join 3,000 adventurers taking on the spectacular Jurassic Coast, a World Heritage Site, in south-west England.
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