Swimmer profile
Bailey Koo
Male15-16Bolles School SharksFL · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2017–18
2018–19
2019–20
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
48.55
32.28
▲ 16.27
28.82
▲ 3.46
24.98
▲ 3.84
23.05
▲ 1.93
21.94
▲ 1.11
21.33
▲ 0.61
21.22
▲ 0.11
100 Free SCY
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1:15.23
1:09.32
▲ 5.91
55.91
▲ 13.41
49.60
▲ 6.31
48.96
▲ 0.64
46.95
▲ 2.01
47.42
▼ 0.47
200 Free SCY
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2:44.08
2:32.84
▲ 11.24
2:13.37
▲ 19.47
1:51.62
▲ 21.75
1:48.88
▲ 2.74
1:47.03
▲ 1.85
1:48.88
▼ 1.85
500 Free SCY
—
—
—
6:11.98
5:32.11
▲ 39.87
5:17.47
▲ 14.64
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—
50 Back SCY
54.63
39.53
▲ 15.10
35.73
▲ 3.80
27.76
▲ 7.97
26.99
▲ 0.77
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—
—
100 Back SCY
—
1:24.70
1:17.44
▲ 7.26
1:02.42
▲ 15.02
56.66
▲ 5.76
54.44
▲ 2.22
52.06
▲ 2.38
52.32
▼ 0.26
200 Back SCY
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—
—
2:24.17
2:09.69
▲ 14.48
2:04.68
▲ 5.01
—
—
50 Breast SCY
—
48.78
43.44
▲ 5.34
35.82
▲ 7.62
33.11
▲ 2.71
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—
—
100 Breast SCY
—
1:48.69
1:36.72
▲ 11.97
1:18.48
▲ 18.24
—
1:06.38
▲ 12.10
1:06.99
▼ 0.61
1:04.13
▲ 2.86
200 Breast SCY
—
—
—
—
2:44.52
2:26.84
▲ 17.68
—
—
50 Fly SCY
—
39.65
33.80
▲ 5.85
28.69
▲ 5.11
27.11
▲ 1.58
—
—
—
100 Fly SCY
—
—
1:19.58
1:10.90
▲ 8.68
59.51
▲ 11.39
57.90
▲ 1.61
54.51
▲ 3.39
55.07
▼ 0.56
200 Fly SCY
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—
—
—
2:24.88
2:19.78
▲ 5.10
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100 IM SCY
—
1:25.11
1:16.40
▲ 8.71
1:05.05
▲ 11.35
1:01.48
▲ 3.57
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—
—
200 IM SCY
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3:12.39
2:52.11
▲ 20.28
2:34.62
▲ 17.49
2:11.39
▲ 23.23
2:08.10
▲ 3.29
2:02.18
▲ 5.92
2:09.44
▼ 7.26
400 IM SCY
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—
—
—
4:58.49
4:40.18
▲ 18.31
4:37.75
▲ 2.43
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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.