London Winter Run 2025 Start Time In India. This year is extra special, marking the 10th anniversary of the event, delivered in partnership with cancer research uk. The first weekend of the challenge is set to begin on january 4th 2025 but with six rewards on offer and eight weekends to unlock them all you can start at any time!

The london winter run returns for 2025! Sign up for cancer research uk london winter run on sun 23rd feb 2025.