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Thames Bridge Ultra Challenge

13th September 2025

Join 2,000 trekkers in an adventure across the capital!

Join 2000 trekkers as we venture 25km across the Capital taking in unrivalled views of the skyline from its best vantage points. Follow a signed route, with free food and drink at regular rest stops, plus support including medics & marshals. Get the ‘Ultra Challenge’ support & hospitality all the way – helping you to push yourself further and achieve something really special!

Setting out from Putney Bridge – it’s East towards the City, zig-zagging over the array of historic bridges – each with its fascinating story – and a midpoint stop at Vauxhall Pleasure Gardens for some snacks & drinks. 25km later, it’s a finish line celebration in Southwark past the majestic Tower Bridge.

Your entry includes free food and drink at regular rest stops, plus support including medics, marshals and massage. As you cross the finish line, you’ll get a glass of fizz, t-shirt, and a medal to commemorate your achievement.

As Winston’s Wish are an official partner on this event, you get a 25% discount on the ‘Full Sponsorship’ registration fee when signing up to support us.

Click below to sign up on the Ultra Challenge website.

What you’ll get:

  • Sign up from £10
  • Inclusive & fun event with a great atmosphere and camaraderie
  • Choose your distance, with a 10km or 25km option
  • Walk at your own pace!
  • A fully signed route, with a team of ‘Trekmasters’ out on the trail with you
  • 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