About the event
Join Team Macmillan for the Henley Swim Thames Marathon. This endurance swimming challenge covers a beautiful stretch of the Thames and has become one of open water swimming’s most prestigious marathon swims.
The Thames Half Marathon 5.5km will start above Hurley and the Thames Marathon 13km swim will start in Henley.
How to enter the Henley Swim Thames Marathon
Secure a charity place for the Henley Swim Thames Marathon
Sign up for one of our charity places and help us be there for people living with cancer in the UK. We ask for a minimum fundraising pledge depending on the distance you choose (this excludes gift aid):
- £250 for the 5.5KM option
- £400 for the 13KM option
Interested? Secure your spot today
Use your own place at the Henley Swim Thames Marathon
If you have bought a place in the race already and would like to swim for us, sign up here and we'll get a free Macmillan swimming cap sent to you. There's no minimum sponsorship, just raise as much as you can!
'An unforgettable event. The support from the Macmillan volunteers on hand was incredible!'
Why should I join Team Macmillan?
As a Team Macmillan swimmer you'll receive:
- A free Macmillan swimming cap
- A fundraising pack bursting with fundraising tips and tricks
- Access to our online training materials
- Regular e-newsletters to keep you up to date with Macmillan's news and activities
Most importantly we'll provide you with a reason to keep going because you'll know that you're helping improve the lives of people living with cancer. Donations make up 98% of our annual income so we simply couldn't do what we do without you.
Please make sure you have read our Terms and Conditions before signing up. You must be aged 18 or over on the day of the event to take part.
Event accessibility
Henley Swim try to make their events as accessible as possible, within the limits of the locations of the swims. If you have any special requirements we suggest that you email enquiries@henleyswim.com and they will see if they are able to accommodate your needs.
There is more information in the FAQs on the Henley Swim website.
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.
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