London Winter Run 2025 Start Time And End Time. The cancer research uk london winter run is a 10k challenge through the heart of the capital. The cancer research uk london winter run is a ten kilometre challenge through the heart of the capital.

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 you’ll be helping to save. The cancer research uk london winter run is a ten kilometre challenge through the heart of the capital.