Performance DevelopmentJAKA SERKO, 2014, KA50m butterfly men, 50m course (in 2024 points)   127 88 35 0 0 0   2024(10 yrs)0:44,26 2023(9 yrs)0:49,96 2022(8 yrs)1:07,46 2021(7 yrs)1:07,46 2020(6 yrs)1:07,46 2019(5 yrs)1:07,46