Swimmer profile
John Zhang
Male17-18TAC TitansNC · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2017–18
2018–19
2019–20
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
31.48
29.14
▲ 2.34
25.76
▲ 3.38
24.58
▲ 1.18
22.89
▲ 1.69
22.88
▲ 0.01
22.87
▲ 0.01
21.90
▲ 0.97
21.77
▲ 0.13
100 Free SCY
1:12.31
1:03.66
▲ 8.65
59.20
▲ 4.46
52.56
▲ 6.64
49.84
▲ 2.72
49.62
▲ 0.22
48.49
▲ 1.13
47.48
▲ 1.01
46.87
▲ 0.61
200 Free SCY
2:46.73
2:22.08
▲ 24.65
2:09.89
▲ 12.19
1:54.76
▲ 15.13
1:46.44
▲ 8.32
1:48.59
▼ 2.15
1:47.07
▲ 1.52
1:42.10
▲ 4.97
1:39.65
▲ 2.45
500 Free SCY
7:53.87
6:44.36
▲ 69.51
6:04.54
▲ 39.82
5:12.82
▲ 51.72
4:49.06
▲ 23.76
5:08.25
▼ 19.19
4:49.60
▲ 18.65
4:50.13
▼ 0.53
4:35.23
▲ 14.90
1000 Free SCY
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—
—
10:22.95
10:05.51
▲ 17.44
10:22.58
▼ 17.07
9:49.08
▲ 33.50
9:36.31
▲ 12.77
9:32.88
▲ 3.43
1650 Free SCY
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—
—
—
16:51.67
18:38.94
▼ 107.27
17:08.40
▲ 90.54
16:19.14
▲ 49.26
16:40.56
▼ 21.42
50 Back SCY
40.48
33.66
▲ 6.82
29.67
▲ 3.99
27.81
▲ 1.86
24.64
▲ 3.17
24.13
▲ 0.51
24.03
▲ 0.10
23.59
▲ 0.44
24.45
▼ 0.86
100 Back SCY
1:31.49
1:16.75
▲ 14.74
1:06.72
▲ 10.03
56.32
▲ 10.40
53.08
▲ 3.24
51.45
▲ 1.63
51.33
▲ 0.12
50.36
▲ 0.97
49.66
▲ 0.70
200 Back SCY
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2:02.12
1:55.37
▲ 6.75
1:53.23
▲ 2.14
1:58.02
▼ 4.79
1:50.42
▲ 7.60
1:47.71
▲ 2.71
50 Breast SCY
53.48
42.26
▲ 11.22
35.63
▲ 6.63
34.65
▲ 0.98
30.40
▲ 4.25
—
30.81
▼ 0.41
—
29.70
▲ 1.11
100 Breast SCY
1:51.63
1:30.27
▲ 21.36
1:19.52
▲ 10.75
1:14.47
▲ 5.05
1:12.50
▲ 1.97
1:08.31
▲ 4.19
1:02.85
▲ 5.46
1:00.82
▲ 2.03
58.25
▲ 2.57
200 Breast SCY
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—
—
—
2:27.03
2:20.22
▲ 6.81
2:16.49
▲ 3.73
2:15.07
▲ 1.42
2:10.69
▲ 4.38
50 Fly SCY
37.15
35.52
▲ 1.63
30.15
▲ 5.37
28.93
▲ 1.22
25.03
▲ 3.90
24.52
▲ 0.51
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—
24.92
▼ 0.40
100 Fly SCY
1:26.79
1:16.75
▲ 10.04
1:09.66
▲ 7.09
1:02.83
▲ 6.83
55.02
▲ 7.81
53.95
▲ 1.07
51.94
▲ 2.01
50.93
▲ 1.01
50.07
▲ 0.86
200 Fly SCY
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2:20.89
2:04.69
▲ 16.20
2:00.15
▲ 4.54
1:57.46
▲ 2.69
1:54.90
▲ 2.56
1:50.93
▲ 3.97
100 IM SCY
1:26.20
1:19.36
▲ 6.84
1:06.85
▲ 12.51
1:05.38
▲ 1.47
56.26
▲ 9.12
55.13
▲ 1.13
54.18
▲ 0.95
53.80
▲ 0.38
55.36
▼ 1.56
200 IM SCY
3:13.29
2:42.36
▲ 30.93
2:29.35
▲ 13.01
2:11.71
▲ 17.64
2:03.03
▲ 8.68
1:59.29
▲ 3.74
1:57.23
▲ 2.06
1:54.60
▲ 2.63
1:50.12
▲ 4.48
400 IM SCY
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5:41.21
5:18.23
▲ 22.98
4:45.27
▲ 32.96
4:20.37
▲ 24.90
4:18.96
▲ 1.41
4:08.76
▲ 10.20
4:04.16
▲ 4.60
3:59.44
▲ 4.72
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.