Take the plunge this September by swimming in one of London's most famous lakes in a one-day open water swimming festival organised by London Marathon Events and staged in the Serpentine, Hyde Park. Choose from the classic one-mile or truly test yourself with two full laps in the two-mile swim.

How much does it cost?

Registration fee: £25

Minimum sponsorship pledge: £175

Where will my money go?

You can choose which of our fundraising appeals you would like to support.

Anything else I need to know?

All participants representing the Charity will receive a fundraising pack, a Charity t-shirt, and one-to-one fundraising advice. If you have any questions please contact our Community & Events Fundraising Manager Lisa at [email protected].

How do I register?

Just simply fill in the form below and we'll confirm your place via email. If you have your own place in this event and would like to support our charity please contact Lisa.

Something to consider?

The London Classics Medal

Have you already run the London Marathonand cycled the RideLondon-Surrey100? By completing the Swim Serpentine two mile-swim will allow you to claim a London Classic's medal. You can join the elite club of people who have run, cycled and swum the capital's most famous mass participation events!

Book a place

Ticket Quantity Price

One-Mile Swim

Decrease Increase £25.00

Two-Mile Swim

Decrease Increase £25.00