Swimmer profile
Yuki Hayashi
MaleOpen / SeniorNeptune SwimmingPC · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2014–15
2015–16
2016–17
2017–18
2018–19
2019–20
2020–21
2021–22
2022–23
2023–24
2024–25
50 Free SCY
37.31
31.98
▲ 5.33
27.86
▲ 4.12
26.44
▲ 1.42
24.10
▲ 2.34
23.45
▲ 0.65
23.19
▲ 0.26
22.46
▲ 0.73
22.43
▲ 0.03
22.48
▼ 0.05
21.69
▲ 0.79
100 Free SCY
1:17.67
1:06.11
▲ 11.56
1:00.45
▲ 5.66
56.81
▲ 3.64
52.30
▲ 4.51
50.60
▲ 1.70
49.80
▲ 0.80
49.48
▲ 0.32
49.29
▲ 0.19
47.96
▲ 1.33
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200 Free SCY
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2:25.48
2:08.57
▲ 16.91
2:02.66
▲ 5.91
1:52.28
▲ 10.38
1:50.62
▲ 1.66
1:48.47
▲ 2.15
1:46.64
▲ 1.83
1:45.21
▲ 1.43
1:45.63
▼ 0.42
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500 Free SCY
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—
—
5:26.18
5:07.58
▲ 18.60
4:58.53
▲ 9.05
—
4:46.68
▲ 11.85
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4:56.61
▼ 9.93
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1000 Free SCY
—
—
—
—
—
—
—
—
10:11.46
—
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50 Back SCY
44.81
38.94
▲ 5.87
—
31.81
▲ 7.13
28.57
▲ 3.24
28.04
▲ 0.53
26.15
▲ 1.89
25.36
▲ 0.79
25.67
▼ 0.31
24.64
▲ 1.03
24.28
▲ 0.36
100 Back SCY
1:40.67
1:29.21
▲ 11.46
1:25.88
▲ 3.33
1:06.81
▲ 19.07
59.28
▲ 7.53
56.78
▲ 2.50
55.13
▲ 1.65
53.60
▲ 1.53
52.38
▲ 1.22
51.71
▲ 0.67
50.84
▲ 0.87
200 Back SCY
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—
—
—
2:07.21
2:03.08
▲ 4.13
1:59.60
▲ 3.48
1:57.49
▲ 2.11
1:56.14
▲ 1.35
1:53.94
▲ 2.20
1:49.14
▲ 4.80
50 Breast SCY
49.62
40.36
▲ 9.26
37.00
▲ 3.36
35.17
▲ 1.83
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—
—
—
—
—
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100 Breast SCY
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1:35.52
1:19.86
▲ 15.66
1:16.84
▲ 3.02
—
—
1:06.43
▲ 10.41
—
1:03.51
▲ 2.92
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200 Breast SCY
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—
—
—
—
—
—
—
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2:24.77
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50 Fly SCY
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35.46
33.98
▲ 1.48
32.31
▲ 1.67
29.90
▲ 2.41
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—
—
—
—
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100 Fly SCY
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1:18.61
1:12.24
▲ 6.37
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—
58.16
▲ 14.08
54.94
▲ 3.22
53.21
▲ 1.73
51.93
▲ 1.28
52.81
▼ 0.88
50.42
▲ 2.39
200 Fly SCY
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—
—
—
—
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1:56.71
1:54.09
▲ 2.62
1:54.17
▼ 0.08
1:50.83
▲ 3.34
100 IM SCY
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1:22.16
1:17.34
▲ 4.82
1:07.44
▲ 9.90
1:03.39
▲ 4.05
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—
—
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55.62
▲ 7.77
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200 IM SCY
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2:46.71
2:28.62
▲ 18.09
2:21.04
▲ 7.58
2:07.46
▲ 13.58
2:06.37
▲ 1.09
1:58.64
▲ 7.73
1:56.04
▲ 2.60
1:55.74
▲ 0.30
1:52.95
▲ 2.79
1:52.98
▼ 0.03
400 IM SCY
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—
—
—
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—
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4:10.32
4:09.81
▲ 0.51
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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.