Keanu Prettner started sailing Optimist at the age of eight. After sailing Zoom8, Laser Radial and 49erFX in the youth he teamed up with his friend Jakob Flachberger to sail the 49er in 2019. Since that they are training towards the Olympic Games 2024. His greatest achievments are U23 Vize World Champion in the 49er 2021 and Junior World Champion in the 49erFX 2018. Another great experience was the 4th place at the Red Bull Foiling Generation World Final in Miami 2018.