Take on the UK’s largest 10k! Join thousands of runners of all abilities for an unforgettable closed road journey through the heart of London at the sell out Cancer Research UK London Winter Run on Sunday 15th February 2026.

Our Participants Say It Best

"The vibe and atmosphere was SO GOOD. It was my first official run and you guys didn’t disappoint. It was super friendly, super inclusive, very relaxed welcoming atmosphere. 10/10"

"Great route through the closed roads of London, great support on route, always a good medal & raises money for a great charity."

"The size and scale was brilliant and so well organised."

"I loved all of it but having so much entertainment throughout the course was amazing!"