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Join 2000 trekkers as we venture 25km across the Capital taking in unrivalled views of the skyline from its best vantage points.

WHEN: 10 September 2022. 

WHERE: Start at Putney Bridge and finish in Southwark past the majestic Tower Bridge.

WHAT: Glass Door will provide tips for fundraising, support all along the way, and a Glass Door t-shirt to wear with pride.
On the day, you'll receive free food and drink at regular rest stops, plus support including medics, marshals and a massage. As you cross the finish line, you’ll get a glass of fizz, t-shirt, and a medal to commemorate your achievement.


  1. Charity Sponsorship - you pay a small registration fee, do lots of fundraising and Glass Door cover the cost of your event place!
    Reg fee £10 / fundraising target £250.
  2. Mixed Funding – pay half of the event place cost yourself, fundraise a bit less and Glass Door pay the balance of the event place cost.
    Reg fee £45 / fundraising target £135.
  3. Self Fund – you pay the full cost of the event place-fundraise whatever you want, with no set target or deadline, and there’s no cost at all to Glass Door. £79

DEADLINE TO SIGN UP: 10 August 2022

If you have any questions about the event, please contact the fundraising team at [email protected] We'd love to support you. Alternatively if you're ready to sign up, please click the 'book' button below.