Performance DevelopmentYAROSLAV SUROVIKIN, 2012, TK400m freestyle men, 50m course (in 2024 points)   0 0 263 0 0 0 0 0   2024(12 yrs) 2023(11 yrs) 2022(10 yrs)5:43,20 2021(9 yrs)5:43,20 2020(8 yrs)5:43,20 2019(7 yrs)5:43,20 2018(6 yrs)5:43,20 2017(5 yrs)5:43,20