Swim Serpentine 2026

CNWL NHS Health Charity swim serpentine supporter. She is wearing a white t-shirt, smiling and holding her medal

Fundraising event

19 September 2026
Hyde Park Serpentine
Registration fee:
£5 Half mile, £10 One mile, £15 Two mile

Minimum sponsorship:
£150 Half mile, £200 One mile, £350 Two mile

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Take the plunge with Team CNWL NHS Health Charity at Swim Serpentine!

Dive into London’s iconic open-water challenge and experience the thrill of swimming in the historic Serpentine Lake in Hyde Park – the venue of the 2012 Olympic marathon swim.

Choose your distance and join thousands of swimmers in this unique event, surrounded by one of the capital’s most beautiful Royal Parks. With the crowd cheering, the water sparkling, and your fellow swimmers beside you, it’s an experience you’ll never forget.

Make your mark in the heart of London with this unforgettable open-water adventure.

Register your place

Half mile

Registration fee: £5
Minimum sponsorship: £150

One mile

Registration fee: £10
Minimum sponsorship: £200

Two mile

Registration fee: £15
Minimum sponsorship: £350

Why swim for CNWL NHS Health Charity?

By joining our team, you’ll be supporting vital projects that help us ensure every patient and every staff in our community has the support, care and treatment they need to live well.

Together, we can help to improve the health, and wellbeing of people in our community.

What you’ll receive as part of Team CNWL

A Personalised running vest (or T-shirt for walks, swims etc):
We will provide you with our running vest for you to wear with pride on the day before and after the swim!
Fundraising and race day support:
We'll be on hand to provide you with expert fundraising advice, training plans, and all the info you need for event day!

Already have a place in Swim Serpentine?

If you have secured your own place in the Swim Serpentine 2026, we’d love for you to swim for CNWL NHS Health Charity.

There’s no registration fee or fundraising commitment (simply raise what you can). You’ll also get a CNWL t-shirt and any information you need for event day.

All you need to do is email stephanie.still1@nhs.net, or set up your fundraising page.