Swimmer profile
Katherine Bai
Female15-16Cougar AquaticsIE · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2019–20
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
39.88
34.96
▲ 4.92
33.09
▲ 1.87
30.42
▲ 2.67
29.44
▲ 0.98
29.76
▼ 0.32
28.41
▲ 1.35
100 Free SCY
—
—
1:16.15
1:06.41
▲ 9.74
1:07.18
▼ 0.77
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—
200 Free SCY
—
—
2:38.78
2:26.84
▲ 11.94
2:26.01
▲ 0.83
2:27.52
▼ 1.51
2:20.99
▲ 6.53
500 Free SCY
—
—
—
—
—
—
6:17.72
50 Back SCY
47.64
—
40.68
▲ 6.96
40.47
▲ 0.21
—
—
—
100 Back SCY
—
—
1:27.82
—
—
—
1:18.85
▲ 8.97
50 Breast SCY
—
49.51
47.22
▲ 2.29
41.70
▲ 5.52
40.09
▲ 1.61
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—
100 Breast SCY
—
—
1:44.06
—
1:29.74
▲ 14.32
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—
50 Fly SCY
—
43.79
41.95
▲ 1.84
36.14
▲ 5.81
34.16
▲ 1.98
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—
100 Fly SCY
—
—
—
—
1:19.32
1:14.86
▲ 4.46
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100 IM SCY
—
1:35.78
1:25.49
▲ 10.29
1:19.49
▲ 6.00
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—
—
200 IM SCY
—
—
3:02.48
2:49.72
▲ 12.76
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—
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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.