London Winter Run 10k 2025. Official account for cancer research uk 23 february 2025 roads closed exclusively We use cookies on this site to enhance your user experience.
Run a marathon the uk’s largest 10k will be back on sunday 23rd february 2025 for its 10th anniversary edition. By taking part in the 2025 london winter run and fundraising for cancer research uk, not only will you be taking on an amazing fitness challenge for yourself, but youโll be helping to save.