People are walking between events barriers. The barriers include banners and flags with different charity and organisation branding. A fog machine is being used in the distance.

Thames Bridges Trek 2027

Trek across the the iconic Capital city, taking in unrivalled views of London's skyline and historic landmarks. Join Team Macmillan for 50% off, and together we will go the extra mile to support the almost 3.5 million people living with cancer in the UK

Date
11 September 2027
Location
London 
Distance
Marathon, 25km or 10km

About this event

How to register

Two men on a hike hugging

Charity fundraising

Macmillan supporters on a hike

Self funded place

Great achievements lie beyond comfort levels - join Team Macmillan

Why should I join?


You’ll get full support and hospitality on the way, leaving you to focus on your challenge:


• Walk the challenge

• Marathon, 25km and 10km distances to choose from

• Food and drink provided 

• Finisher’s medal and T-shirt

How we'll support you

Icon T-shirt
A green hand holding up a green circle with a white GBP symbol

But most importantly...

More about this event

Ready to join?

See other events

Three people photographed from behind with their arms around each other wearing green Macmillan running tops

Are you looking for a different Ultra Challenge?

If this event doesn't quite fit the bill, there are loads more to choose from in the Ultra Challenge series. Check out all the Ultra Challenge series events to find the perfect one for you.

View all Ultra Challenge series events