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A woman and a young boy with a disability sit closely together on a gray couch with yellow and gray pillows. The woman wears a white sweater and jeans, smiling warmly, while the boy, in a blue tie-dye shirt and jeans, leans against her, also smiling.

Support vital medical research

Together, we can help children living with cerebral palsy, rare diseases, and other life-limiting conditions.

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.

Successes

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.

Cyclists set off under a “Never Stop Pushing” inflatable arch at RIDE Essex, an Action Medical Research fundraising event.

RIDE Essex

Sunday 31 August 2025

Close your cycling event season with RIDE Essex, a stunning cycle through the Essex countryside

Three road route options take riders on a journey through quiet villages and the farmlands of Essex where the undulations will have you in and out of the saddle.

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.

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.

Running

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.

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