Contact us
What you need to do ahead of Swim Day
Download your Participant Guide
Make sure to read your Participant Guide carefully and keep it handy in case you need to access it easily on Swim Day.
Get your hands on your Swim Pack
UK Participants
It should arrive by post no later than Monday 15 September. If it hasn’t arrived by 5pm on that day, please complete the replacement pack form. You’ll then need to collect your pack in person from Marathon House, 190 Great Dover Street, London, SE1 4YB on Friday 19 September.
International Participants
If you live outside the UK, you’ll need to collect your swim pack from Marathon House on Friday 19 September. There’s no need to fill out a form - just pop in and our team will be ready to help.
Swim Day specifics
To see which roads are affected on Event Day, read our road closures page.
To see what support we offer on Swim Day, read our participants with disabilities page.
Can't find what you are looking for?