About the event

You can join this amazing swim in 2023 now! 

If you are a keen swimmer, or fancy trying out a swim for the first time, why not join us and raise money for people living with mental illness who need our help? We will have places in the 1 mile and 2 mile discipline. Let us know which distance you would like to take on.

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

We will support all your fundraising efforts and you will receive a snazzy Rethink t-shirt to wear on the day.

The details

Date: 16 September 2023 
Location: The Serpentine, London 
Cost: £25
Target: Minimum £250

How we'll support you

  • Free Rethink Mental Illness t-shirt
  • Tips and advice on your swim
  • Support on your fundraising journey

Who are Rethink Mental Illness?

We’re Rethink Mental Illness and we’re on a mission to bring about meaningful change, through our services, groups and groundbreaking campaigns. We know, from our vast experience, that people severely affected by mental illness can have a good quality of life. With your support, we will make that possible.

How will your money support us?

Every penny you raise for us will help empower those severely affected by mental illness. Through our network of support groups, services and helplines, last year we reached: 

You can find out more about our work by visiting our vision and impact page

Sign up

Take part in this iconic swim and help us ensure that no one with mental illness feels alone.