Swim Serpentine 2025

Saturday 20 September 2025

Take the plunge for Deafblind UK!

Swim Serpentine is the UK’s biggest one-day open-water swimming festival, taking place in the heart of London’s Hyde Park on Saturday 20th September 2025.

You can make a splash for Deafblind UK with a charity place in this iconic event and raise much-needed funds to support people living with deafblindness across the UK!

Choose between a 1-mile or 2-mile challenge around the historic Serpentine in Hyde Park. Swimmers are set off at regular intervals during the morning to ensure that you have plenty of space to swim your challenge safely and successfully. All your needs are catered for with heated changing rooms, a dunk zone, pontoon start and finish, full water safety crews, and an exhibition area. And, you’ll even receive a souvenir swim cap to wear on the day and be awarded a well-deserved medal for completing the challenge!

Enter today!

Dive into your chosen distance

One-mile swim

Dip your toe into open-water swimming by taking on the 1-mile swim around the iconic Serpentine lake. The mile is a classic distance in the world of open-water swimming. The one-mile swim covers one full lap of the lake, which is the same course as the London 2012 Olympic Marathon swimming event. The one-mile swim can take swimmers anything from 20 minutes to one hour to complete.

Two-mile swim

Take the plunge with a 2-mile swim within the beautiful grounds of Hyde Park. The two-mile swim will see you complete two full laps of the Serpentine lake, and is perfect for experienced swimmers looking to push themselves and build on their distance.

Join Team Deafblind UK

You can secure your place on the start line today for free with a commitment to raise at least £250 sponsorship for those living with deafblindness. Deafblind UK have a limited number of charity places in Swim Serpentine on Sunday 20th September 2025 and places are offered on a first-come, first-served basis. So, it is recommended to submit your application early to avoid disappointment.

Enter today!

or call 01733 973452 or email [email protected]

Already have a place in Swim Serpentine?

If you have your own place in Swim Serpentine 2024, we’d love you to swim in aid of Deafblind UK! There’s no registration fee or fundraising commitment (simply raise what you can), and you’ll receive the same great level of support from our dedicated team. Every £25 raised for your challenge could provide another hour of specialist wellbeing support for someone who is deafblind.

Get in touch with our lovely fundraising team today so that we can support you in your training and fundraising journey.

Start fundraising today!