Performance DevelopmentMARK ZUPANIČ, 2016, TK100m backstroke men, 50m course (in 2024 points)   90 0 0 0   2024(8 yrs)1:55,08 2023(7 yrs)1:55,08 2022(6 yrs)1:55,08 2021(5 yrs)1:55,08