Performance DevelopmentJAKA SERKO, 2014, KA50m breaststroke men, 50m course (in 2024 points)   144 104 79 0 0 0   2024(10 yrs)0:49,47 2023(9 yrs)0:55,15 2022(8 yrs)1:00,24 2021(7 yrs)1:00,24 2020(6 yrs)1:00,24 2019(5 yrs)1:00,24