Performance DevelopmentJON KRDŽALIĆ, 2014, RL100m backstroke men, 25m course (in 2024 points)   0 87 0 0 0 0   2024(10 yrs) 2023(9 yrs)1:48,72 2022(8 yrs)1:48,72 2021(7 yrs)1:48,72 2020(6 yrs)1:48,72 2019(5 yrs)1:48,72