Swim Serpentine is brilliant 1 mile open water swimming event that will take place on the 16th September 2017 in the heart of London. 

Open water swimming is great for your physical and mental health, boosting your immune system and burning calories at the same time. What's not to love?

Key information:

Date: 16th September 2017

Registration fee: FREE (Was £50)

Minimum sponsorship: £250