Performance DevelopmentJAKA SERKO, 2014, KA50m butterfly men, 25m course (in 2024 points)   0 85 0 0 0 0   2024(10 yrs) 2023(9 yrs)0:49,46 2022(8 yrs)0:49,46 2021(7 yrs)0:49,46 2020(6 yrs)0:49,46 2019(5 yrs)0:49,46