Performance DevelopmentTJAĊ½ KOSTEVC, 2014, NC50m backstroke men, 25m course (in 2024 points)   90 0 0 0 0 0   2024(10 yrs)0:49,22 2023(9 yrs)0:49,22 2022(8 yrs)0:49,22 2021(7 yrs)0:49,22 2020(6 yrs)0:49,22 2019(5 yrs)0:49,22