Performance Development
TIAN KOSEC, 2005, PDM
400m freestyle men, 25m course (in 2021 points)
 
0
663
654
0
0
453
304
0
0
0
0
0
0
0
0
 
2024
(19 yrs)
2023
(18 yrs)
4:03,38
2022
(17 yrs)
4:04,50
2021
(16 yrs)
4:04,50
2020
(15 yrs)
4:04,50
2019
(14 yrs)
4:36,19
2018
(13 yrs)
5:15,34
2017
(12 yrs)
5:15,34
2016
(11 yrs)
5:15,34
2015
(10 yrs)
5:15,34
2014
(9 yrs)
5:15,34
2013
(8 yrs)
5:15,34
2012
(7 yrs)
5:15,34
2011
(6 yrs)
5:15,34
2010
(5 yrs)
5:15,34