Swim Serpentine

Join our biggest Swim Serpentine team ever! Take the plunge and support people living with mental illness.

About the event

If you are a keen swimmer, or fancy trying out a swim for the first time, why not take on the iconic 2-mile swim of the world-famous Serpentine lake is London's Hyde Park.

This is a one day open water swimming festival staged in the heart of London, organised by London Marathon events.

Have you already completed the London Marathon or RideLondon?

If so, why not take on the Swim Serpentine and get a step closer to getting the much-coveted London Classics medal and being listed in the London Classics Hall of Fame!

The details

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Date: 20 September 2025

Date:
20 September 2025

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Location:
The Serpentine, London

Location:
The Serpentine, London

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Cost:  £35

Cost:  £35

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Target:  Minimum £299

Target: 
Minimum £299

How we'll support you

  • Free Rethink Mental Illness t-shirt once you hit £75 raised
  • Support throughout your fundraising journey
  • One to One support from the events team
  • Access to resources to support your fundraising

Get involved!

Ready to help those affected by mental illness? Join in with the challenge!