Swim Serpentine 1 Mile 2021


Swim Serpentine - 1 Mile

Join us

Swim a lap of the Serpentine, a great challenge in an iconic location

Swim Serpentine is a one-day open water swimming festival staged in the heart of London. Organised by London Marathon Events, the festival is held in and around the beautiful Serpentine in Hyde Park, the venue for the open water swimming competition at the London 2012 Olympic Games. Take on the challenge and swim 1 lap of the Serpentine in this amazing location.

How to enter

Macmillan Charity Place:

  • Free entry.
  • £200 fundraising pledge.
  • Interested? Click the Get a Place button to secure your spot today!
  • Get Your Own Place:

  • If you secure a Public entry place official race website.
  • There is no fundraising pledge.
  • Raise only what you can!
  • Have a place? Click the 'I have my own place' button to join the team.
  • What do I get as part of #TeamMacmillan?

    Whichever way you choose to join, as part of Team Macmillan, we’ll make sure you have:

    • Our bumper fundraising pack, access to our online training zone and loads of fundraising tips and tricks.
    • Your free Team Macmillan swim cap.
    • Regular e-newsletters keeping you in the loop in the lead up to event day.
    • Most importantly we will provide you with a reason to put in those months of training and fundraising, because you know that your efforts are going towards improving the lives of people living with cancer in the UK today.

      For full terms and conditions please click here.

      Please note the minimum age to take part in the 1 mile distance is 16 years old.

      If you have any questions, email us at swimming@macmillan.org.uk or call on 0300 100 0200.

I have my own placeWelcome to Team Macmillan
Get a placeWelcome to Team Macmillan

'Swim Serpentine was an unforgettable event and all the support from the Macmillan volunteers on hand was incredible!'

Amy, Team Macmillan Swimmer

More in this section

Organise your own event

Get your plans rolling. We've got advice, support, materials and fundraisers who'd love to help you create a great event.

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Go your own way

If you would like to take on a challenge for Macmillan which isn't in our listed events, no problem! Tell us which one you're doing and we'll send you a fundraising pack.

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Help with fundraising

From fundraising resources and ideas to online fundraising tips and information about paying in your donations. We'll help you raise as much as possible for Macmillan.

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Training Zone

Find training, nutrition and kit advice for whichever type of event you are doing.