Performance DevelopmentLEON BEREZIN, 2014, OL50m breaststroke men, 50m course (in 2024 points)   0 48 0 0 0 0   2024(10 yrs) 2023(9 yrs)1:11,30 2022(8 yrs)1:11,30 2021(7 yrs)1:11,30 2020(6 yrs)1:11,30 2019(5 yrs)1:11,30