Stadtzürcher Seeüberquerung

Participate: There will be 12 starting groups at the Seeüberquerung. All good swimmers aged 16 and over can take part. Youth (12 to 15 years) can join for free if accompanied by an adult (aged 18 years and older).
https://www.seeueberquerung.ch/en/#participate

Check-in: There is a binding check-in period for each ticket. During this time, swim caps with start numbers can be obtained at the entrance. If you arrive late, you will lose your right to start.