Swimmer profile
Hayden Ko
Male15-16QNS Aquatic ClubMR · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2018–19
2019–20
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
31.20
29.14
▲ 2.06
27.58
▲ 1.56
25.36
▲ 2.22
23.93
▲ 1.43
23.60
▲ 0.33
23.57
▲ 0.03
22.34
▲ 1.23
100 Free SCY
1:10.07
1:02.57
▲ 7.50
1:01.87
▲ 0.70
56.70
▲ 5.17
54.45
▲ 2.25
52.24
▲ 2.21
52.15
▲ 0.09
52.31
▼ 0.16
200 Free SCY
2:28.26
2:18.78
▲ 9.48
2:17.21
▲ 1.57
2:08.21
▲ 9.00
2:04.06
▲ 4.15
1:58.55
▲ 5.51
1:55.81
▲ 2.74
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500 Free SCY
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6:18.47
6:29.72
▼ 11.25
6:02.54
▲ 27.18
5:49.20
▲ 13.34
5:47.57
▲ 1.63
5:33.93
▲ 13.64
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50 Back SCY
39.09
34.90
▲ 4.19
33.25
▲ 1.65
29.22
▲ 4.03
29.15
▲ 0.07
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—
—
100 Back SCY
1:20.60
1:15.62
▲ 4.98
1:13.53
▲ 2.09
1:05.19
▲ 8.34
1:03.90
▲ 1.29
1:00.57
▲ 3.33
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—
200 Back SCY
—
—
—
2:24.60
2:24.60
± 0.00
—
2:17.68
▲ 6.92
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50 Breast SCY
44.59
39.54
▲ 5.05
36.84
▲ 2.70
33.20
▲ 3.64
—
—
—
29.81
▲ 3.39
100 Breast SCY
1:29.94
1:23.00
▲ 6.94
—
1:13.07
▲ 9.93
1:08.10
▲ 4.97
1:03.52
▲ 4.58
1:02.43
▲ 1.09
1:03.37
▼ 0.94
200 Breast SCY
—
—
—
2:44.62
2:32.71
▲ 11.91
2:28.22
▲ 4.49
2:24.19
▲ 4.03
2:29.20
▼ 5.01
50 Fly SCY
34.16
32.32
▲ 1.84
29.34
▲ 2.98
27.52
▲ 1.82
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—
—
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100 Fly SCY
1:21.80
1:12.37
▲ 9.43
1:06.88
▲ 5.49
1:04.37
▲ 2.51
1:00.21
▲ 4.16
57.64
▲ 2.57
57.51
▲ 0.13
57.20
▲ 0.31
200 Fly SCY
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—
—
—
2:25.50
—
—
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100 IM SCY
1:20.26
1:12.43
▲ 7.83
1:07.58
▲ 4.85
1:02.74
▲ 4.84
—
—
1:02.19
▲ 0.55
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200 IM SCY
2:55.68
2:40.38
▲ 15.30
—
2:20.09
▲ 20.29
2:15.24
▲ 4.85
2:10.51
▲ 4.73
2:06.57
▲ 3.94
2:10.46
▼ 3.89
400 IM SCY
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—
—
5:22.79
5:01.50
▲ 21.29
4:58.43
▲ 3.07
4:49.32
▲ 9.11
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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.