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Collage of pictures George and family

"All I want for Christmas is hope for a cure"

Help fund research that means the world to George and his family after he was born with a severe lung condition.

Funding vital research

We’re on a mission to save and change children’s lives through medical research, developing treatments, vaccinations and cures.

Childhood cancers

In the UK almost 4,000 children and young people under 25 are diagnosed with cancer every year. We are funding research to try and improve the chances and treatment for children with brain tumours and cancer.


With the help of all our supporters we have played a significant role in many medical breakthroughs for 70 years, starting with the development of the first UK polio vaccines.

A large group of riders celebrating finishing the ride in front of the Eiffel Tower


13 - 16 June 2024

Join Action and our event partner Hotchillee on LONDON-PARIS, for rolling road closures in France and the trip of a lifetime.

This is your chance to represent Action and join Hotchillee's 20th anniversary of LONDON-PARIS. The ride will be a celebration of everything achieved in the past two decades, and your last chance to ride Hotchillee’s flagship event in its current format with closed roads…

Cycling Events

With cycling challenges both in the UK and abroad, there's definitely a challenge waiting for you. From beginners to the very experienced and with routes ranging 20 miles to hundreds of miles, come and join us in the fight for little lives.


Whether you’re looking for your first challenge or you’re a seasoned runner we’ve got an event for you. We have places in the world’s greatest and best-known events and races.

Race the Sun

Our triathlon-style Race the Sun series pits teams against each other in a race against the setting sun, competing to bike, hike and paddle around some of the UK's most beautiful locations.

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background pictures of children and researchers in labs
Unlock a future medical breakthrough with a gift in your will

Unlock a future medical breakthrough with a gift in your will

Join our fight for little lives

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