Performance Development
JON KOČEVAR, 2009, NC
400m freestyle men, 50m course (in 2024 points)
 
484
378
380
311
268
232
0
0
0
0
0
 
2024
(15 yrs)
4:40,26
2023
(14 yrs)
5:04,13
2022
(13 yrs)
5:03,60
2021
(12 yrs)
5:24,54
2020
(11 yrs)
5:41,19
2019
(10 yrs)
5:57,94
2018
(9 yrs)
5:57,94
2017
(8 yrs)
5:57,94
2016
(7 yrs)
5:57,94
2015
(6 yrs)
5:57,94
2014
(5 yrs)
5:57,94