Take the plunge and make waves for families of neurodivergent children and young people by joining Swim Serpentine 2026. This iconic open-water swimming event takes place in the world-famous Serpentine lake in London’s Hyde Park on Sunday, 20th September 2026.
With four distance options – half mile, one mile, two mile, and the Super Six – there’s something for everyone. Whether you’re dipping your toe in the water for the first time or a seasoned swimmer chasing a new challenge, Swim Serpentine offers an unforgettable experience in one of London’s most beautiful settings.
You don’t have to be an Olympian to make a huge difference for SPACE Hertfordshire. Every stroke helps us continue supporting families of neurodivergent children and young people across the county.
Choose your distance and register your interest below before Friday, 28 November 2025.
Take the plunge. Make an impact. Swim for SPACE.
Charity places
To join Team SPACE with a charity place there is a registration fee of £20 and a minimum sponsorship of £350. Not only will you be swimming in the stunning Serpentine Lake, nestled in the heart of Hyde Park but you will also be fundraising for an amazing cause. The money you raise will provide vital and at times life-changing support for Hertfordshire families who have children and young people who are autistic, have ADHD or other neurodiverse conditions.
Fill in our expression of interest form below if you are interested in joining Team SPACE with one of our charity places.
Already have your own place?
If you’ve managed to secure your own place from the swim organisers you can still sign up to join our team. For this option there’s no minimum sponsorship, but we hope you’ll raise as much as you can. Please email fundraising@spaceherts.org.uk for more information.
What you can expect from us
- A fundraising guide filled with help, advice and top tips to increase your sponsorship.
- Support from a member of the team to help you every step of the way.
- A SPACE running top
- Free fundraising materials to help you raise awareness of your challenge and the charity.
If you have any questions please email fundraising@spaceherts.org.uk