Performance DevelopmentJAKA SERKO, 2014, KA50m backstroke men, 50m course (in 2024 points)   0 102 65 0 0 0   2024(10 yrs) 2023(9 yrs)0:50,73 2022(8 yrs)0:58,70 2021(7 yrs)0:58,70 2020(6 yrs)0:58,70 2019(5 yrs)0:58,70