Swimmer profile
Maddi Hayashi
FemaleOpen / SeniorPatriot Aquatic ClubIL · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2016–17
2017–18
2018–19
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
—
32.15
30.43
▲ 1.72
30.03
▲ 0.40
29.58
▲ 0.45
29.54
▲ 0.04
29.06
▲ 0.48
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—
100 Free LCM
1:31.54
1:09.63
▲ 21.91
1:05.45
▲ 4.18
1:03.00
▲ 2.45
1:02.53
▲ 0.47
1:02.34
▲ 0.19
1:02.15
▲ 0.19
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—
200 Free LCM
—
—
2:31.98
2:19.05
▲ 12.93
2:16.36
▲ 2.69
2:18.42
▼ 2.06
2:16.62
▲ 1.80
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—
400 Free LCM
—
—
—
5:07.37
—
—
—
—
—
50 Back LCM
46.76
37.29
▲ 9.47
35.25
▲ 2.04
—
—
—
33.27
▲ 1.98
—
—
100 Back LCM
—
1:20.93
1:18.77
▲ 2.16
1:12.42
▲ 6.35
1:14.33
▼ 1.91
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—
—
—
200 Back LCM
—
—
2:56.05
2:39.60
▲ 16.45
—
—
2:41.04
▼ 1.44
—
—
50 Breast LCM
—
42.74
40.00
▲ 2.74
—
—
—
—
—
—
100 Breast LCM
—
1:34.88
1:31.32
▲ 3.56
—
—
1:19.81
▲ 11.51
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—
—
200 Breast LCM
—
—
—
—
—
—
2:59.89
—
—
50 Fly LCM
48.66
—
34.35
▲ 14.31
—
—
—
29.25
▲ 5.10
28.79
▲ 0.46
—
100 Fly LCM
—
—
1:17.00
1:07.08
▲ 9.92
1:05.17
▲ 1.91
1:03.50
▲ 1.67
1:02.34
▲ 1.16
1:03.08
▼ 0.74
1:03.06
▲ 0.02
200 Fly LCM
—
—
—
—
2:34.24
2:21.31
▲ 12.93
2:22.73
▼ 1.42
—
—
200 IM LCM
—
3:16.99
—
2:36.17
▲ 40.82
2:31.31
▲ 4.86
2:32.34
▼ 1.03
2:30.19
▲ 2.15
2:35.89
▼ 5.70
2:31.88
▲ 4.01
400 IM LCM
—
—
—
—
5:38.66
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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.