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Featured challenges

Bowelbabe Fund Jog 31 Miles Challenge

Image of a women running in the park

Will you take on the challenge of jogging one mile every day throughout May?

Sign up for the Bowelbabe Fund Jog 31 Miles Challenge and get a FREE Bowelbabe Fund t-shirt and Online Giving Page.

Walk 100 Miles in May Challenge

Walk 100 May Challenge

Will you take on the challenge of walking 100 miles in May to fund life-saving cancer research? 

Sign up and receive your FREE Cancer Research UK t-shirt, Online Giving Page and digital fundraising pack.

Big Hike 2024

Big Hike 2024

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

Choose your 10k, half or full marathon at one of our stunning UK locations. 

TCS London Marathon 2025

Asics 10k

Apply for a place on our 2025 TCS London Marathon team and you could be running the iconic route next April!

You’ll receive support with training and fundraising, invitations to training sessions, a cheer team along the route and a post-race reception where you can celebrate your achievement.

Great North Run

Great North Run

Join Cancer Research UK at The Great North Run, the UK's biggest and best half marathon.

The route starts in Newcastle, crosses the River Tyne then runs through Gateshead, South Tyneside and ends in South Shields.