About the event

Swim Serpentine will take place on Saturday 17 September 2022.

Swim Serpentine, organised by London Marathon Events Ltd, is the biggest open water swimming event in the country. It has rapidly grown to become the UK’s top open water swimming event with more than 6,000 entries in 2019.  The day will feature open water swimming events in the Serpentine Lake in Hyde Park over a range of distances, including ½ mile, one mile, two miles and six miles.

Join Children with Cancer UK and swim the Serpentine to fund vital research into the prevention and treatment of childhood cancer.

Children with Cancer UK have charity places available in the two mile distance only. To Join the Children with Cancer UK and swim two miles to fund vital research into the prevention and treatment of childhood cancer, see below how you can be part of our 2022 team.

What to expect from Children with Cancer UK

We will ensure that we get you to the finish line. We’ve got training and fundraising advice, cheering packs for your friends and family, and a dedicated team ready to answer any last minute questions.

You can be part of our team whether you secure your own place independently of the charity or are allocated one of our charity places. When you join our team, you will receive the following support from us;

  • A digital Fundraising Pack containing lots of fundraising advice
  • Regular emails providing top tips and information about the Swim Serpentine event
  • Access to our open water swimming training plans
  • A Children with Cancer UK T-Shirt
Join our Team

Location & Date

  • Hyde Park, London
  • September 17, 2022

View map

Contact Details


Children with Cancer UK Swim Serpentine 2019

Swim Serpentine is the biggest open water swimming event in the country. It has rapidly grown to become the UK’s top open water swimming event with more than 6,000 entries last year! Watch the video to see how the Children with Cancer UK swimmers got on.

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Join our team

Charity Place

If you would like one of our charity places in the 2022 Swim Serpentine, please complete the form below.

Registration fee £20

Minimum fundraising target: £200

Own Place

If you have secured your own place through the race organisers and would like to join our team, please complete the form below.

Registration fee: £0

Fundraising target: as much as possible

Registration forms

If you would like one of our charity places in the 2022 Swim Serpentine, please complete the form below.

Registration fee £20

Minimum fundraising target: £200

Charity Place - Swim Serpentine 2022

Step 1 of 2

  • Please enter a number less than or equal to 1.
  • £ 0.00

If you have secured your own place through the race organisers and would like to join our team, please complete the form below.

Registration fee: £0

Fundraising target: as much as possible

Swim Serpentine 2022 Own Place

  • Please enter a number less than or equal to 5.
  • £ 0.00
  • DD slash MM slash YYYY
  • I am happy to be contacted by Children with Cancer UK regarding their challenge events, including Swim Serpentine, as well as their charitable work. Please contact me by:
  • Hidden

    Hidden Fields

    Don't edit these
  • This field is for validation purposes and should be left unchanged.

If you would like one of our charity places in the 2022 Swim Serpentine, please complete the form below.

Registration fee £20

Minimum fundraising target: £200

Charity Place - Swim Serpentine 2022

Step 1 of 2

  • Please enter a number less than or equal to 1.
  • £ 0.00

If you have secured your own place through the race organisers and would like to join our team, please complete the form below.

Registration fee: £0

Fundraising target: as much as possible

Swim Serpentine 2022 Own Place

  • Please enter a number less than or equal to 5.
  • £ 0.00
  • DD slash MM slash YYYY
  • I am happy to be contacted by Children with Cancer UK regarding their challenge events, including Swim Serpentine, as well as their charitable work. Please contact me by:
  • Hidden

    Hidden Fields

    Don't edit these
  • This field is for validation purposes and should be left unchanged.
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