Performance DevelopmentDAVID PETKOV, 2013, TK50m backstroke men, 25m course (in 2024 points)   0 22 0 0 0 0 0   2024(11 yrs) 2023(10 yrs)1:18,13 2022(9 yrs)1:18,13 2021(8 yrs)1:18,13 2020(7 yrs)1:18,13 2019(6 yrs)1:18,13 2018(5 yrs)1:18,13