Costs
About the event
The Thames Marathon is an endurance swim between Henley-on-Thames and Marlow with a choice of 3 distances, half-marathon, mid-distance and full marathon.This event covers a picturesque stretch of the River Thames and has become one of open water swimming’s most prestigious marathon swims.
By taking on a challenge event you’ll help us support over 350 babies, children and young people who are seriously unwell – helping them, and their families, to make the most of every day.
Our events team is here to support you with every aspect of your challenge.We can talk you through the sign-up process, provide training plans and fundraising materials, and we’ll answer your questions every step of the way. You will also receive a free Noah’s Ark t-shirt!
Any questions?
If you have any questions about this or any other event, email us at [email protected] or call 020 8449 8877.