Registration is now open!

Enter Swimathon 2018 and join Cancer Research UK and Marie Curie to raise as much money as possible for two causes close to the nation’s hearts. Swimathon will be returning for 2018 and will take place from Friday, April 27 – Sunday, April 29.

How to enter

If you took part in Swimathon 2017 login to your account. Here you can enter Swimathon 2018.

If you did not take part in Swimathon 2017, create your Swimathon account and enter Swimathon 2018.


Swimathon event weekend 
MySwimathon challenge

Friday, April 27 – Sunday, April 29 

Friday, April 20 – Sunday, May 6 


This is your swim – from 400m to 5k, there is a Swimathon challenge for you! 

IndividualTeam (2-5 people)

400m, 1.5k, 2.5k or 5k

1.5k or 5k 


Register before midnight on Sunday, January 21 and receive 50% off the below standard entry fees or 25% if you register before midnight on Sunday, 28 January.

Entry TypeStandardConcession**

Individual 400m, 1.5k, 2.5k or 5k



Team 1.5k &5k*



* Teams can be made up of 2-5 people.

** Denotes concessionary price for unemployed, under 16s, disabled, full-time students and senior citizens aged 60 years and above. For team concessions, the majority (over half) must fall into one of these categories to qualify for the concessionary price. Teams are not separated into age specific categories. 


Swimathon takes place at 600 venues across the UK. Find your nearest venue here.  


Be part of the Swimathon experience when, and where, you want with MySwimathon. By completing your challenge through MySwimathon, you have the option to complete your swim at any time from Friday, April 20 - Sunday, May 6, 2018. 

What support is available?

You are not getting in the pool alone! From the moment you sign-up, you will receive: 

  • Communications from the Swimathon team, helping you and guiding you in the lead-up to the event weekend. 
  • Expert training plans will also be shared to ensure you are fully prepared for your challenge 
  • You can also join the community on Facebook, Twitter and Instagram