Performance DevelopmentZARJA BIRK, 2014, AQ50m butterfly women, 50m course (in 2024 points)   61 0 0 0 0 0   2024(10 yrs)1:01,83 2023(9 yrs)1:01,83 2022(8 yrs)1:01,83 2021(7 yrs)1:01,83 2020(6 yrs)1:01,83 2019(5 yrs)1:01,83