Ziv Kalontarov

Biography Kalontarov was born in Rishon LeZion, Israel, to parents Gary and Tatyana. He attended Makif Omer High School, and his nickname is "Zu". He trains about 21 hours per week.

Kalontarov won the 2015 International School Sport Federation (ISF) Swimming World Schools Championship in both the 50 m freestyle (in 22.39) and the 100 m freestyle (in 50.49) in Poznań, Poland, on 19 April 2015. His time in the final established a new senior Israeli national swimming record in the 50 m freestyle, breaking the old record of 22.54 that he himself had set two months earlier, as well as a new personal record for Kalontarov and .16 of a second off the youth world record. He also came in sixth in the 100 m freestyle final. It also qualified Kalontarov to represent Israel at the 2016 Summer Olympics in Rio de Janeiro, Brazil, which he did.