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The one-day open water swimming festival staged in the heart of London.

Swim 2 miles, 1 mile or half a mile. Organised by London Marathon Events, the festival is held in and around the beautiful Serpentine in Hyde Park, the venue for the open water swimming competition at the London 2012 Olympic Games.



Deadline to register:


Are you interested in swimming in 2019 for Nerve Tumours UK? 

•    Get a free Nerve Tumours UK T-shirt
•    Get a free Training Guide
•    Fundraise to make a difference to the lives of people living with Nerve Tumours

Do you want to talk to our fundraising team?

Sometimes we just have questions! We understand. Get in touch about the Swim Serpentine, or any other event for that matter at or call 0208 439 1234 and ask for Challenge Events Fundraising.