Swimmer profile
Kaj Kosinski
Male15-16TSM AquaticsSCS · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2017–18
2018–19
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
45.63
—
31.93
▲ 13.70
28.82
▲ 3.11
28.07
▲ 0.75
27.50
▲ 0.57
—
100 Free LCM
1:41.07
—
1:13.41
▲ 27.66
1:03.12
▲ 10.29
1:01.83
▲ 1.29
1:00.28
▲ 1.55
59.48
▲ 0.80
200 Free LCM
—
—
2:30.62
2:25.50
▲ 5.12
2:16.15
▲ 9.35
2:17.27
▼ 1.12
2:16.08
▲ 1.19
400 Free LCM
—
—
—
—
4:51.86
4:59.15
▼ 7.29
4:49.88
▲ 9.27
800 Free LCM
—
—
—
—
10:23.42
9:58.84
▲ 24.58
—
1500 Free LCM
—
—
—
—
19:37.16
—
—
50 Back LCM
—
55.23
39.53
▲ 15.70
—
—
—
—
100 Back LCM
2:01.63
—
1:24.92
▲ 36.71
1:23.46
▲ 1.46
—
—
—
200 Back LCM
—
—
—
2:58.28
—
2:40.43
▲ 17.85
—
50 Breast LCM
1:01.61
—
40.54
▲ 21.07
—
—
—
32.68
▲ 7.86
100 Breast LCM
—
—
1:28.54
1:18.92
▲ 9.62
1:13.63
▲ 5.29
1:12.93
▲ 0.70
1:12.02
▲ 0.91
200 Breast LCM
—
—
—
2:47.72
2:37.19
▲ 10.53
2:37.28
▼ 0.09
2:36.34
▲ 0.94
50 Fly LCM
—
53.47
38.11
▲ 15.36
—
—
—
—
100 Fly LCM
—
—
1:29.53
—
1:15.42
▲ 14.11
1:09.74
▲ 5.68
—
200 IM LCM
—
—
3:01.94
2:43.94
▲ 18.00
2:36.67
▲ 7.27
2:26.83
▲ 9.84
2:29.71
▼ 2.88
400 IM LCM
—
—
—
—
—
5:17.77
5:14.28
▲ 3.49
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.