Swim Serpentine

Take the plunge in Hyde Park and support people living with dementia

Swim Serpentine is a one-day open water swimming event in the beautiful Serpentine Lake in London’s Hyde Park.

Whether you’re new to open water or a seasoned swimmer, this is an unforgettable challenge in the heart of the capital, and a great way to raise vital funds for people affected by dementia.

Choose from four distances, from half a mile to six miles, and make a splash for a cause that matters.

swim-serpentine logo

What’s included:

Fundraising & Fees

As a small charity, we rely on committed supporters like you. Taking on a Swim Serpentine challenge helps us fund supported holidays, outdoor activities, and carer training for families affected by dementia.

To join:

Once you sign up, we’ll help you hit your goal with:

Everything raised beyond your target will go directly to support our work.

Swim Serpentine participants with medals

FAQs

When is Swim Serpentine?
Saturday 19 September 2026.

Where does it take place?
In the Serpentine Lake in Hyde Park, London.

How far do I have to swim?
You can choose from ½ mile, 1 mile, 2 miles or 6 miles.

Is it safe for first-time open water swimmers?
Yes – the event is fully supported by water safety teams, and there are shorter-distance options for beginners.

Do I need my own wetsuit or tow float?
Yes – you’ll need to bring your own. The event website provides guidance on what’s required.

Is there a minimum age?
Yes – swimmers must be aged 16 or over on event day.

Can I take part as a team?
Absolutely. It’s a great challenge for individuals or groups, whether you’re swimming in memory of someone or just for fun.