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Iamge of woman running at the London Winter Run.

Charity runs

Two smiling sports participants doing knee push-ups on a grassy field with white shirts.

Charity challenges

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2026 TCS London Marathon

Got lucky in the ballot? Join Team Cancer Research UK and support our vital work. You’ll receive expert training advice, fundraising support and the loudest cheer team on the day!

Join our team today

CRUK Shine event London 2023.

Shine Night Walk 2026

Step towards a brighter future with Shine Night Walk. Come together with thousands of people taking on a 10k, half marathon or full marathon walk after dark to raise money for Cancer Research UK.

Sign up now

two women along a coastal line laughing.

Big Hike 2026

If you love walking or hiking and taking in spectacular scenery, and want to help fund life-saving research, our Big Hike experience is for you!

Escape to nature and take on a 10k, half marathon or full marathon at one of seven stunning locations across the UK. Take on Big Hike 2026

A group of three men swimming in an indoor tiled pool, wearing blue swim caps and white swimming goggles posing for a selfie.

Swim 10k Challenge

Swim 10k in the month of May to help support life-saving cancer research and power progress!

Sign up and you'll get a FREE Cancer Research UK swim cap, your own online Giving Page and a digital fundraising pack.

Sign up now