Due to the busy national and international calendar, we have chosen the original weekend for the IJsselmeer swimming marathon in 2023.
This year, the only swimming marathon in the Netherlands will be swam on Sunday, August 13, 2023.
Organization IJsselmeer swimming marathon
IJSSELMEER swimmingmarathon : cold fresh water – wind – waves!
Oostwouder Dorpsstraat 23
1678 HD Oostwoud