Swimmer profile
Kaj Kosinski
Male15-16TSM AquaticsSCS · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2017–18
2018–19
2019–20
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
47.63
40.23
▲ 7.40
39.39
▲ 0.84
31.44
▲ 7.95
29.36
▲ 2.08
26.87
▲ 2.49
24.94
▲ 1.93
24.46
▲ 0.48
24.01
▲ 0.45
100 Free SCY
—
1:34.71
1:25.59
▲ 9.12
—
1:05.92
▲ 19.67
59.73
▲ 6.19
55.53
▲ 4.20
53.28
▲ 2.25
52.51
▲ 0.77
200 Free SCY
—
—
—
2:51.10
2:29.69
▲ 21.41
2:08.90
▲ 20.79
2:02.27
▲ 6.63
1:55.97
▲ 6.30
1:55.99
▼ 0.02
500 Free SCY
—
—
—
—
—
5:54.75
5:23.94
▲ 30.81
5:14.64
▲ 9.30
5:15.74
▼ 1.10
1000 Free SCY
—
—
—
—
—
—
11:09.96
10:51.02
▲ 18.94
—
1650 Free SCY
—
—
—
—
—
—
—
18:44.24
—
50 Back SCY
1:02.27
47.75
▲ 14.52
44.25
▲ 3.50
38.19
▲ 6.06
39.84
▼ 1.65
—
—
—
—
100 Back SCY
—
1:49.75
—
—
1:18.61
▲ 31.14
1:13.56
▲ 5.05
1:08.14
▲ 5.42
1:04.56
▲ 3.58
—
200 Back SCY
—
—
—
—
—
2:38.85
2:26.14
▲ 12.71
2:17.69
▲ 8.45
—
50 Breast SCY
1:02.54
54.19
▲ 8.35
49.60
▲ 4.59
—
37.73
▲ 11.87
—
—
—
28.94
▲ 8.79
100 Breast SCY
—
1:59.58
—
1:27.05
▲ 32.53
1:21.86
▲ 5.19
1:14.05
▲ 7.81
1:05.29
▲ 8.76
1:02.66
▲ 2.63
1:02.37
▲ 0.29
200 Breast SCY
—
—
—
—
—
2:34.72
2:22.91
▲ 11.81
2:16.72
▲ 6.19
2:13.96
▲ 2.76
50 Fly SCY
—
53.18
48.31
▲ 4.87
36.99
▲ 11.32
36.66
▲ 0.33
—
—
—
27.17
▲ 9.49
100 Fly SCY
—
—
—
—
1:40.29
1:17.21
▲ 23.08
—
1:01.41
▲ 15.80
59.89
▲ 1.52
200 Fly SCY
—
—
—
—
—
—
2:38.24
2:22.06
▲ 16.18
—
100 IM SCY
—
1:49.39
—
1:20.69
▲ 28.70
1:16.17
▲ 4.52
1:13.13
▲ 3.04
—
—
—
200 IM SCY
—
—
—
3:14.50
3:01.55
▲ 12.95
2:28.23
▲ 33.32
2:16.82
▲ 11.41
2:09.15
▲ 7.67
2:07.17
▲ 1.98
400 IM SCY
—
—
—
—
—
—
4:56.42
4:34.59
▲ 21.83
4:34.93
▼ 0.34
Improvement<0.5s0.5–2s2–5s5s+Slower
📊 All Attempts by Event
Chronological history of every recorded swim. Click an event to expand its attempt list.