Swimmer profile
Louie Koslin
Male15-16Excel AquaticsSE · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2019–20
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
37.17
32.85
▲ 4.32
31.49
▲ 1.36
29.16
▲ 2.33
26.06
▲ 3.10
22.66
▲ 3.40
22.12
▲ 0.54
100 Free SCY
1:23.89
1:15.58
▲ 8.31
1:10.13
▲ 5.45
1:02.74
▲ 7.39
57.11
▲ 5.63
49.64
▲ 7.47
47.74
▲ 1.90
200 Free SCY
—
2:47.82
2:41.16
▲ 6.66
2:17.32
▲ 23.84
2:05.64
▲ 11.68
1:56.28
▲ 9.36
1:45.08
▲ 11.20
500 Free SCY
—
8:03.07
—
6:33.09
▲ 89.98
6:01.50
▲ 31.59
5:09.62
▲ 51.88
—
1000 Free SCY
—
—
—
—
—
—
10:29.37
50 Back SCY
46.13
36.99
▲ 9.14
35.91
▲ 1.08
32.54
▲ 3.37
31.62
▲ 0.92
27.27
▲ 4.35
25.93
▲ 1.34
100 Back SCY
1:36.15
1:24.27
▲ 11.88
1:19.21
▲ 5.06
1:11.59
▲ 7.62
1:04.87
▲ 6.72
57.48
▲ 7.39
55.06
▲ 2.42
200 Back SCY
—
—
—
2:40.26
2:18.10
▲ 22.16
2:03.92
▲ 14.18
1:59.93
▲ 3.99
50 Breast SCY
1:00.14
—
44.14
▲ 16.00
39.67
▲ 4.47
38.74
▲ 0.93
—
—
100 Breast SCY
—
1:45.71
1:33.41
▲ 12.30
1:30.20
▲ 3.21
1:18.07
▲ 12.13
1:09.08
▲ 8.99
—
200 Breast SCY
—
—
—
—
2:59.99
2:27.24
▲ 32.75
—
50 Fly SCY
48.01
46.53
▲ 1.48
37.51
▲ 9.02
34.75
▲ 2.76
—
—
24.96
▲ 9.79
100 Fly SCY
—
1:58.90
—
1:22.57
▲ 36.33
—
1:00.36
▲ 22.21
—
200 Fly SCY
—
—
—
—
—
2:24.42
—
100 IM SCY
1:50.41
1:35.32
▲ 15.09
1:21.30
▲ 14.02
1:15.26
▲ 6.04
1:12.02
▲ 3.24
—
—
200 IM SCY
—
3:25.89
2:55.42
▲ 30.47
2:40.16
▲ 15.26
—
2:07.59
▲ 32.57
2:06.07
▲ 1.52
400 IM SCY
—
—
—
—
—
4:45.49
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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.