Swimmer profile
Jacob Zhou
Male17-18SwimMAC CarolinaNC · 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
38.20
34.65
▲ 3.55
32.77
▲ 1.88
28.49
▲ 4.28
27.45
▲ 1.04
26.66
▲ 0.79
25.32
▲ 1.34
24.95
▲ 0.37
25.65
▼ 0.70
100 Free LCM
1:28.95
1:17.68
▲ 11.27
1:15.55
▲ 2.13
1:02.82
▲ 12.73
1:00.96
▲ 1.86
57.39
▲ 3.57
56.32
▲ 1.07
54.75
▲ 1.57
56.80
▼ 2.05
200 Free LCM
3:11.24
2:54.31
▲ 16.93
2:42.71
▲ 11.60
2:17.59
▲ 25.12
2:17.56
▲ 0.03
2:09.66
▲ 7.90
2:03.43
▲ 6.23
2:01.28
▲ 2.15
2:06.74
▼ 5.46
400 Free LCM
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5:36.97
4:55.98
▲ 40.99
4:51.51
▲ 4.47
4:54.08
▼ 2.57
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800 Free LCM
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—
—
—
—
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9:55.62
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50 Back LCM
49.19
42.01
▲ 7.18
38.19
▲ 3.82
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—
—
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100 Back LCM
1:42.54
1:30.53
▲ 12.01
1:25.01
▲ 5.52
1:10.04
▲ 14.97
1:08.15
▲ 1.89
1:03.71
▲ 4.44
1:01.87
▲ 1.84
1:01.70
▲ 0.17
1:03.09
▼ 1.39
200 Back LCM
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2:32.07
2:25.09
▲ 6.98
2:21.05
▲ 4.04
2:16.74
▲ 4.31
2:14.94
▲ 1.80
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50 Breast LCM
1:05.96
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49.09
▲ 16.87
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100 Breast LCM
2:34.15
—
1:43.01
▲ 51.14
1:27.34
▲ 15.67
1:19.22
▲ 8.12
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1:18.20
▲ 1.02
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200 Breast LCM
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3:39.00
3:01.71
▲ 37.29
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2:59.19
▲ 2.52
2:55.78
▲ 3.41
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50 Fly LCM
49.99
38.48
▲ 11.51
35.19
▲ 3.29
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100 Fly LCM
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1:33.19
1:21.08
▲ 12.11
1:06.79
▲ 14.29
1:05.11
▲ 1.68
1:02.29
▲ 2.82
1:01.35
▲ 0.94
59.69
▲ 1.66
1:01.15
▼ 1.46
200 Fly LCM
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2:30.46
2:29.09
▲ 1.37
2:25.01
▲ 4.08
2:22.63
▲ 2.38
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200 IM LCM
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3:23.22
2:53.96
▲ 29.26
2:31.81
▲ 22.15
2:25.95
▲ 5.86
2:23.25
▲ 2.70
2:20.97
▲ 2.28
2:24.31
▼ 3.34
2:26.65
▼ 2.34
400 IM LCM
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5:30.99
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5:09.31
▲ 21.68
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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.