Swimmer profile
Jacob Hershberg
Male17-18Delmar DolfinsAD · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2016–17
2017–18
2018–19
2020–21
2021–22
2022–23
2023–24
2025–26
50 Free LCM
35.11
32.54
▲ 2.57
31.69
▲ 0.85
29.74
▲ 1.95
27.27
▲ 2.47
—
27.68
▼ 0.41
—
100 Free LCM
1:21.17
1:11.75
▲ 9.42
1:09.44
▲ 2.31
1:03.29
▲ 6.15
59.11
▲ 4.18
59.93
▼ 0.82
1:02.22
▼ 2.29
—
200 Free LCM
2:56.62
2:38.64
▲ 17.98
2:28.86
▲ 9.78
2:22.61
▲ 6.25
—
2:23.21
▼ 0.60
2:17.60
▲ 5.61
—
400 Free LCM
—
5:49.41
5:21.23
▲ 28.18
—
4:53.96
▲ 27.27
5:04.47
▼ 10.51
5:06.46
▼ 1.99
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50 Back LCM
41.90
38.39
▲ 3.51
37.04
▲ 1.35
—
—
30.81
▲ 6.23
29.93
▲ 0.88
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100 Back LCM
1:31.90
1:24.25
▲ 7.65
1:18.78
▲ 5.47
1:11.36
▲ 7.42
1:03.21
▲ 8.15
1:01.33
▲ 1.88
59.98
▲ 1.35
1:01.87
▼ 1.89
200 Back LCM
—
—
—
—
2:17.18
2:14.59
▲ 2.59
2:11.55
▲ 3.04
2:15.87
▼ 4.32
50 Breast LCM
—
54.54
48.79
▲ 5.75
—
—
—
—
—
100 Breast LCM
—
—
1:41.97
1:29.13
▲ 12.84
1:29.25
▼ 0.12
—
—
—
50 Fly LCM
42.34
34.21
▲ 8.13
35.22
▼ 1.01
—
—
27.62
▲ 7.60
28.39
▼ 0.77
—
100 Fly LCM
1:48.83
1:21.22
▲ 27.61
1:16.37
▲ 4.85
1:07.65
▲ 8.72
1:00.72
▲ 6.93
59.68
▲ 1.04
59.58
▲ 0.10
1:02.33
▼ 2.75
200 Fly LCM
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—
3:08.12
2:42.62
▲ 25.50
2:34.34
▲ 8.28
2:28.66
▲ 5.68
2:30.71
▼ 2.05
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200 IM LCM
—
3:00.33
2:51.29
▲ 9.04
2:38.66
▲ 12.63
2:35.20
▲ 3.46
2:37.06
▼ 1.86
2:30.30
▲ 6.76
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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.