Swimmer profile
Jacob Birch
Male15-16Berkeley AquaticsFL · SOUTHERN
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
50.70
45.98
▲ 4.72
35.80
▲ 10.18
31.62
▲ 4.18
30.44
▲ 1.18
28.26
▲ 2.18
25.78
▲ 2.48
24.79
▲ 0.99
23.15
▲ 1.64
22.83
▲ 0.32
100 Free SCY
2:07.17
1:31.37
▲ 35.80
1:24.13
▲ 7.24
1:12.30
▲ 11.83
1:06.15
▲ 6.15
1:02.75
▲ 3.40
56.70
▲ 6.05
53.23
▲ 3.47
50.91
▲ 2.32
50.47
▲ 0.44
200 Free SCY
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3:03.70
2:36.88
▲ 26.82
—
2:19.92
▲ 16.96
2:08.06
▲ 11.86
1:59.01
▲ 9.05
1:53.27
▲ 5.74
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500 Free SCY
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—
—
—
—
—
6:04.90
5:25.38
▲ 39.52
—
—
1650 Free SCY
—
—
—
—
—
—
—
—
18:28.73
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50 Back SCY
1:00.38
49.96
▲ 10.42
42.98
▲ 6.98
35.78
▲ 7.20
35.69
▲ 0.09
33.48
▲ 2.21
33.40
▲ 0.08
29.57
▲ 3.83
26.88
▲ 2.69
26.14
▲ 0.74
100 Back SCY
2:08.71
1:40.68
▲ 28.03
1:32.05
▲ 8.63
1:22.13
▲ 9.92
1:14.43
▲ 7.70
1:11.98
▲ 2.45
1:11.88
▲ 0.10
1:08.86
▲ 3.02
59.52
▲ 9.34
1:02.56
▼ 3.04
200 Back SCY
—
—
—
—
—
—
—
2:21.11
2:18.77
▲ 2.34
2:20.37
▼ 1.60
50 Breast SCY
—
—
46.96
39.70
▲ 7.26
40.51
▼ 0.81
36.48
▲ 4.03
35.70
▲ 0.78
32.49
▲ 3.21
28.81
▲ 3.68
28.93
▼ 0.12
100 Breast SCY
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1:40.81
1:26.74
▲ 14.07
1:33.04
▼ 6.30
1:18.44
▲ 14.60
1:15.30
▲ 3.14
1:07.04
▲ 8.26
1:02.32
▲ 4.72
1:01.50
▲ 0.82
200 Breast SCY
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—
—
—
—
2:49.27
2:41.95
▲ 7.32
2:27.05
▲ 14.90
2:17.40
▲ 9.65
2:16.96
▲ 0.44
50 Fly SCY
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—
40.57
36.27
▲ 4.30
39.31
▼ 3.04
32.44
▲ 6.87
31.56
▲ 0.88
29.83
▲ 1.73
26.71
▲ 3.12
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100 Fly SCY
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—
—
1:24.73
—
—
1:18.40
▲ 6.33
1:03.50
▲ 14.90
59.82
▲ 3.68
1:03.44
▼ 3.62
200 Fly SCY
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—
—
—
—
—
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2:34.04
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100 IM SCY
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1:29.66
1:18.33
▲ 11.33
1:15.00
▲ 3.33
1:11.58
▲ 3.42
1:10.88
▲ 0.70
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1:01.26
▲ 9.62
200 IM SCY
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—
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2:59.59
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2:45.98
▲ 13.61
2:23.92
▲ 22.06
2:18.87
▲ 5.05
2:06.75
▲ 12.12
2:01.39
▲ 5.36
400 IM SCY
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—
—
—
—
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4:43.01
4:39.80
▲ 3.21
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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.