Swimmer profile
Isaac Chang
Male17-18Beach Cities AlphaSCS · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2016–17
2017–18
2018–19
2019–20
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
38.60
32.03
▲ 6.57
29.41
▲ 2.62
26.98
▲ 2.43
24.33
▲ 2.65
23.37
▲ 0.96
22.98
▲ 0.39
22.54
▲ 0.44
22.20
▲ 0.34
21.59
▲ 0.61
100 Free SCY
1:28.87
1:14.72
▲ 14.15
1:03.80
▲ 10.92
55.98
▲ 7.82
51.87
▲ 4.11
50.02
▲ 1.85
49.89
▲ 0.13
48.58
▲ 1.31
48.10
▲ 0.48
46.54
▲ 1.56
200 Free SCY
—
—
2:24.02
2:08.15
▲ 15.87
1:56.34
▲ 11.81
1:50.96
▲ 5.38
1:47.79
▲ 3.17
1:47.89
▼ 0.10
1:44.58
▲ 3.31
1:42.83
▲ 1.75
500 Free SCY
—
—
—
—
—
5:11.00
5:10.37
▲ 0.63
4:54.01
▲ 16.36
4:56.93
▼ 2.92
4:47.31
▲ 9.62
1000 Free SCY
—
—
—
—
—
11:03.59
10:33.38
▲ 30.21
10:10.99
▲ 22.39
—
—
1650 Free SCY
—
—
—
—
—
18:10.74
17:29.53
▲ 41.21
17:06.69
▲ 22.84
—
—
50 Back SCY
—
—
36.41
32.52
▲ 3.89
—
—
26.74
▲ 5.78
—
—
24.86
▲ 1.88
100 Back SCY
—
—
1:19.39
1:09.81
▲ 9.58
1:06.78
▲ 3.03
1:03.02
▲ 3.76
57.41
▲ 5.61
57.20
▲ 0.21
54.62
▲ 2.58
53.42
▲ 1.20
200 Back SCY
—
—
—
—
—
2:21.25
2:16.98
▲ 4.27
2:07.03
▲ 9.95
1:57.08
▲ 9.95
—
50 Breast SCY
50.34
45.92
▲ 4.42
38.08
▲ 7.84
35.35
▲ 2.73
—
29.00
▲ 6.35
—
28.09
▲ 0.91
—
26.28
▲ 1.81
100 Breast SCY
—
1:38.00
1:23.99
▲ 14.01
1:16.85
▲ 7.14
1:05.53
▲ 11.32
1:04.67
▲ 0.86
1:01.95
▲ 2.72
58.62
▲ 3.33
57.24
▲ 1.38
55.78
▲ 1.46
200 Breast SCY
—
—
—
—
—
2:22.06
2:19.97
▲ 2.09
2:08.92
▲ 11.05
2:03.93
▲ 4.99
2:03.42
▲ 0.51
50 Fly SCY
—
36.16
33.41
▲ 2.75
27.73
▲ 5.68
27.35
▲ 0.38
—
—
—
—
22.33
▲ 5.02
100 Fly SCY
—
—
1:14.90
1:01.53
▲ 13.37
58.59
▲ 2.94
57.85
▲ 0.74
54.26
▲ 3.59
52.30
▲ 1.96
49.99
▲ 2.31
48.74
▲ 1.25
200 Fly SCY
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—
—
—
—
2:11.18
2:01.90
▲ 9.28
1:58.09
▲ 3.81
1:51.01
▲ 7.08
1:48.64
▲ 2.37
100 IM SCY
—
1:21.76
1:13.85
▲ 7.91
1:07.14
▲ 6.71
—
—
—
—
—
52.51
▲ 14.63
200 IM SCY
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—
2:42.51
2:25.19
▲ 17.32
2:14.10
▲ 11.09
2:08.59
▲ 5.51
2:00.73
▲ 7.86
2:00.54
▲ 0.19
1:52.22
▲ 8.32
1:50.76
▲ 1.46
400 IM SCY
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—
—
—
—
4:40.35
4:36.41
▲ 3.94
4:19.38
▲ 17.03
4:06.16
▲ 13.22
4:03.01
▲ 3.15
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.