Swimmer profile
Koto Kobukai
Female15-16Lakeside Aquatic ClubNT · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2015–16
2016–17
2017–18
2018–19
2019–20
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
46.26
38.32
▲ 7.94
34.90
▲ 3.42
30.92
▲ 3.98
28.79
▲ 2.13
27.13
▲ 1.66
25.99
▲ 1.14
25.43
▲ 0.56
25.39
▲ 0.04
25.69
▼ 0.30
24.99
▲ 0.70
100 Free SCY
1:57.49
1:24.81
▲ 32.68
1:15.76
▲ 9.05
1:08.96
▲ 6.80
1:00.45
▲ 8.51
57.83
▲ 2.62
55.63
▲ 2.20
54.38
▲ 1.25
54.80
▼ 0.42
53.19
▲ 1.61
51.99
▲ 1.20
200 Free SCY
—
—
2:49.63
2:30.50
▲ 19.13
2:16.04
▲ 14.46
2:06.10
▲ 9.94
1:59.53
▲ 6.57
1:57.75
▲ 1.78
1:58.89
▼ 1.14
1:56.53
▲ 2.36
1:51.38
▲ 5.15
500 Free SCY
—
—
7:24.85
6:21.84
▲ 63.01
6:18.26
▲ 3.58
5:38.72
▲ 39.54
5:14.48
▲ 24.24
5:19.33
▼ 4.85
5:28.19
▼ 8.86
5:28.13
▲ 0.06
5:24.74
▲ 3.39
1000 Free SCY
—
—
—
—
—
—
11:12.73
11:14.35
▼ 1.62
11:12.81
▲ 1.54
—
—
1650 Free SCY
—
—
—
—
—
—
—
18:42.10
—
—
—
50 Back SCY
51.63
45.91
▲ 5.72
42.88
▲ 3.03
37.51
▲ 5.37
34.30
▲ 3.21
32.34
▲ 1.96
29.56
▲ 2.78
28.83
▲ 0.73
28.46
▲ 0.37
—
26.39
▲ 2.07
100 Back SCY
—
1:35.28
1:26.94
▲ 8.34
1:19.24
▲ 7.70
1:15.29
▲ 3.95
1:07.39
▲ 7.90
1:02.33
▲ 5.06
1:01.09
▲ 1.24
1:01.34
▼ 0.25
58.52
▲ 2.82
56.37
▲ 2.15
200 Back SCY
—
—
—
—
—
2:22.30
2:12.23
▲ 10.07
2:10.15
▲ 2.08
2:09.95
▲ 0.20
2:05.75
▲ 4.20
2:01.59
▲ 4.16
50 Breast SCY
1:08.68
1:00.70
▲ 7.98
49.60
▲ 11.10
44.21
▲ 5.39
40.60
▲ 3.61
39.42
▲ 1.18
—
—
—
—
—
100 Breast SCY
—
2:00.15
1:45.32
▲ 14.83
1:31.51
▲ 13.81
1:29.96
▲ 1.55
1:22.81
▲ 7.15
1:23.21
▼ 0.40
1:15.39
▲ 7.82
1:16.96
▼ 1.57
—
—
200 Breast SCY
—
—
—
—
—
2:57.97
—
2:52.45
▲ 5.52
—
—
—
50 Fly SCY
54.27
45.25
▲ 9.02
39.79
▲ 5.46
36.11
▲ 3.68
31.64
▲ 4.47
29.34
▲ 2.30
27.92
▲ 1.42
28.38
▼ 0.46
—
—
—
100 Fly SCY
—
1:41.81
1:29.70
▲ 12.11
1:16.64
▲ 13.06
1:12.41
▲ 4.23
1:05.02
▲ 7.39
1:01.37
▲ 3.65
1:00.38
▲ 0.99
1:03.33
▼ 2.95
59.49
▲ 3.84
1:01.87
▼ 2.38
200 Fly SCY
—
—
—
—
—
2:22.79
2:18.42
▲ 4.37
2:14.18
▲ 4.24
—
—
2:09.86
▲ 4.32
100 IM SCY
2:00.73
1:40.16
▲ 20.57
1:29.33
▲ 10.83
1:19.60
▲ 9.73
1:12.88
▲ 6.72
1:07.63
▲ 5.25
1:06.10
▲ 1.53
1:03.30
▲ 2.80
—
—
—
200 IM SCY
—
—
3:08.76
2:47.77
▲ 20.99
2:43.58
▲ 4.19
2:25.78
▲ 17.80
2:22.64
▲ 3.14
2:16.01
▲ 6.63
—
2:14.01
▲ 2.00
2:13.19
▲ 0.82
400 IM SCY
—
—
—
—
—
5:04.29
4:59.85
▲ 4.44
4:55.25
▲ 4.60
4:49.35
▲ 5.90
—
—
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.