About The Event
The Swim Serpentine 1/2 mile has now sold out. We still have places available in our 1 mile and 2 mile distances. Alternatively, if you would like to be added to the 1/2 mile waiting list, please fill out this survey
Got Your Own Place?
- 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.
Please note that the minimum age requirement for this event is 14 years old. Read the full terms and conditions.
'Swim Serpentine was an unforgettable event and all the support from the Macmillan volunteers on hand was incredible!'
Why should I join Team Macmillan?
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.
- Exclusive access to our hospitality marquee.
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.
If you have any questions, email us at swimming@macmillan.org.uk or call on 0300 100 0200.
Pandemic promise
Our main priority is the health and wellbeing of our participants, volunteers and colleagues. We're committed to keeping you up to date with information regarding your event as we receive it.
If your event is cancelled or postponed, we will be in touch to let you know what options are available to you. If you have any questions, you can email the team at swimming@macmillan.org.uk and we'll be happy to help.
Event Accessibility
The event offers a safe, inclusive environment for swimmers of all abilities, who we look forward to welcoming to the Serpentine in September.
There is not a dedicated para swimmers wave so you will be able to choose which wave you enter when you sign up.
If you require help or support on event day, please contact disability@londonmarathonevents.co.uk. Participants with a disability can register to receive a London Classics medal if they complete the London Marathon, the Prudential RideLondon-Surrey 46 and the two-mile distance at the Children with Cancer UK Swim Serpentine.
Ready to join?
By joining us you'll know that you're helping improve the lives of people living with cancer in the UK today.
Volunteering
We need an army of cheerers to make this event special. If running is not your thing or you have any family and friends who'd like to come and support you on the day, we'd love them to join our volunteer team!
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