Sam Marsteiner

Sam Marsteiner is a 14-year-old American pool and open water swimmer.

Open Water Swimming Highlights

On 17 September 2022, he finished 9th in the 5 km at the 2022 FINA World Junior Open Water Swimming Championships in Mahé in the Seychelles.
On 18 September 2022, he won the Mixed 4x1500m Relay for 14-16 years olds at the 2022 FINA World Junior Open Water Championships in the Seychelles together with Claire Weinstein, Katie Grimes, and Nathan Szobota.