Swimmer profile
Koto Kobukai
Female15-16Lakeside Aquatic ClubNT · SOUTHERN
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
44.80
39.08
▲ 5.72
34.86
▲ 4.22
29.66
▲ 5.20
29.45
▲ 0.21
28.43
▲ 1.02
28.22
▲ 0.21
29.09
▼ 0.87
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100 Free LCM
1:42.41
1:27.06
▲ 15.35
1:13.15
▲ 13.91
1:03.36
▲ 9.79
1:02.50
▲ 0.86
1:00.88
▲ 1.62
1:00.73
▲ 0.15
1:01.57
▼ 0.84
59.00
▲ 2.57
200 Free LCM
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3:09.46
2:39.20
▲ 30.26
2:16.94
▲ 22.26
2:12.72
▲ 4.22
2:09.68
▲ 3.04
2:10.81
▼ 1.13
2:10.08
▲ 0.73
2:06.05
▲ 4.03
400 Free LCM
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6:29.68
5:35.31
▲ 54.37
4:50.14
▲ 45.17
4:40.31
▲ 9.83
4:40.36
▼ 0.05
4:43.79
▼ 3.43
4:40.09
▲ 3.70
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800 Free LCM
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—
—
—
9:57.21
9:42.03
▲ 15.18
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—
—
1500 Free LCM
—
—
—
—
—
18:42.43
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—
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50 Back LCM
56.40
49.65
▲ 6.75
41.85
▲ 7.80
36.71
▲ 5.14
32.99
▲ 3.72
31.87
▲ 1.12
32.18
▼ 0.31
31.78
▲ 0.40
31.57
▲ 0.21
100 Back LCM
1:51.24
1:41.37
▲ 9.87
1:27.15
▲ 14.22
1:12.35
▲ 14.80
1:10.02
▲ 2.33
1:07.66
▲ 2.36
1:06.96
▲ 0.70
1:07.01
▼ 0.05
1:06.96
▲ 0.05
200 Back LCM
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—
—
2:35.55
2:31.15
▲ 4.40
2:27.18
▲ 3.97
2:28.44
▼ 1.26
2:23.61
▲ 4.83
2:23.74
▼ 0.13
50 Breast LCM
1:09.37
59.54
▲ 9.83
—
45.41
▲ 14.13
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—
—
—
—
100 Breast LCM
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1:59.19
1:46.97
▲ 12.22
1:33.89
▲ 13.08
1:31.35
▲ 2.54
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—
—
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200 Breast LCM
—
—
—
—
3:15.72
—
3:09.65
▲ 6.07
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50 Fly LCM
52.51
44.02
▲ 8.49
37.63
▲ 6.39
31.12
▲ 6.51
31.85
▼ 0.73
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—
31.10
▲ 0.75
30.61
▲ 0.49
100 Fly LCM
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1:39.13
1:22.31
▲ 16.82
1:09.89
▲ 12.42
1:09.57
▲ 0.32
1:09.26
▲ 0.31
1:08.03
▲ 1.23
1:08.06
▼ 0.03
1:04.17
▲ 3.89
200 Fly LCM
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—
—
2:35.88
2:37.42
▼ 1.54
2:37.29
▲ 0.13
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—
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200 IM LCM
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3:31.96
3:04.71
▲ 27.25
2:37.06
▲ 27.65
2:33.62
▲ 3.44
2:40.25
▼ 6.63
2:32.80
▲ 7.45
2:31.00
▲ 1.80
2:26.96
▲ 4.04
400 IM LCM
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—
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5:43.67
5:31.44
▲ 12.23
5:30.20
▲ 1.24
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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.