Swimmer profile
Jennifer Pierson
FemaleOpen / SeniorAquajets Swim TeamMN · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2012–13
2013–14
2014–15
2015–16
2016–17
2017–18
2018–19
2019–20
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free SCY
42.49
36.97
▲ 5.52
34.29
▲ 2.68
29.36
▲ 4.93
27.61
▲ 1.75
27.30
▲ 0.31
26.08
▲ 1.22
25.94
▲ 0.14
25.21
▲ 0.73
24.57
▲ 0.64
24.13
▲ 0.44
23.83
▲ 0.30
23.68
▲ 0.15
23.74
▼ 0.06
100 Free SCY
1:39.27
1:29.36
▲ 9.91
1:18.36
▲ 11.00
1:07.99
▲ 10.37
1:02.71
▲ 5.28
59.98
▲ 2.73
56.74
▲ 3.24
55.47
▲ 1.27
53.92
▲ 1.55
53.54
▲ 0.38
52.18
▲ 1.36
51.48
▲ 0.70
51.30
▲ 0.18
51.54
▼ 0.24
200 Free SCY
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3:12.01
2:23.04
▲ 48.97
2:17.74
▲ 5.30
2:12.31
▲ 5.43
2:08.41
▲ 3.90
2:02.59
▲ 5.82
1:59.60
▲ 2.99
1:59.52
▲ 0.08
1:56.16
▲ 3.36
1:54.60
▲ 1.56
1:51.72
▲ 2.88
1:53.81
▼ 2.09
500 Free SCY
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—
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6:10.86
6:16.91
▼ 6.05
5:36.38
▲ 40.53
5:34.59
▲ 1.79
5:32.74
▲ 1.85
—
5:22.20
▲ 10.54
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—
—
1000 Free SCY
—
—
—
—
—
12:46.05
11:44.38
▲ 61.67
11:27.69
▲ 16.69
11:24.69
▲ 3.00
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—
—
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1650 Free SCY
—
—
—
—
21:18.46
21:05.22
▲ 13.24
19:15.48
▲ 109.74
19:32.24
▼ 16.76
19:00.45
▲ 31.79
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—
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50 Back SCY
46.72
44.11
▲ 2.61
39.48
▲ 4.63
33.75
▲ 5.73
32.67
▲ 1.08
31.14
▲ 1.53
30.39
▲ 0.75
29.25
▲ 1.14
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—
28.83
▲ 0.42
27.91
▲ 0.92
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100 Back SCY
—
1:38.31
1:26.87
▲ 11.44
1:14.33
▲ 12.54
1:10.01
▲ 4.32
1:07.12
▲ 2.89
1:02.79
▲ 4.33
1:02.87
▼ 0.08
1:01.19
▲ 1.68
1:00.05
▲ 1.14
58.87
▲ 1.18
58.22
▲ 0.65
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200 Back SCY
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2:47.85
2:27.94
▲ 19.91
2:21.75
▲ 6.19
2:16.36
▲ 5.39
2:14.67
▲ 1.69
2:11.10
▲ 3.57
2:09.95
▲ 1.15
2:07.50
▲ 2.45
2:06.35
▲ 1.15
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50 Breast SCY
57.65
50.45
▲ 7.20
47.04
▲ 3.41
40.23
▲ 6.81
38.76
▲ 1.47
37.65
▲ 1.11
36.47
▲ 1.18
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—
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32.66
▲ 3.81
—
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100 Breast SCY
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1:48.61
1:33.24
▲ 15.37
1:25.07
▲ 8.17
1:25.07
± 0.00
1:21.67
▲ 3.40
1:15.13
▲ 6.54
1:16.92
▼ 1.79
1:13.78
▲ 3.14
1:12.13
▲ 1.65
1:10.96
▲ 1.17
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200 Breast SCY
—
—
—
3:26.70
3:04.80
▲ 21.90
—
2:56.14
▲ 8.66
2:42.88
▲ 13.26
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—
2:30.60
▲ 12.28
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50 Fly SCY
1:16.84
47.54
▲ 29.30
39.83
▲ 7.71
34.54
▲ 5.29
31.41
▲ 3.13
31.53
▼ 0.12
30.51
▲ 1.02
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27.57
▲ 2.94
27.15
▲ 0.42
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100 Fly SCY
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1:19.95
1:14.30
▲ 5.65
1:17.29
▼ 2.99
1:11.18
▲ 6.11
1:04.35
▲ 6.83
1:01.19
▲ 3.16
59.00
▲ 2.19
59.63
▼ 0.63
57.93
▲ 1.70
56.96
▲ 0.97
56.76
▲ 0.20
100 IM SCY
2:07.90
1:39.70
▲ 28.20
1:29.80
▲ 9.90
1:15.98
▲ 13.82
1:11.85
▲ 4.13
1:08.65
▲ 3.20
1:05.87
▲ 2.78
1:04.02
▲ 1.85
1:03.31
▲ 0.71
1:00.76
▲ 2.55
1:00.84
▼ 0.08
1:00.58
▲ 0.26
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1:01.51
▼ 0.93
200 IM SCY
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3:17.31
2:45.06
▲ 32.25
2:34.04
▲ 11.02
2:32.04
▲ 2.00
2:24.99
▲ 7.05
2:21.29
▲ 3.70
2:17.33
▲ 3.96
2:12.49
▲ 4.84
2:14.25
▼ 1.76
2:11.25
▲ 3.00
2:14.94
▼ 3.69
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400 IM SCY
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5:30.02
5:11.43
▲ 18.59
4:57.03
▲ 14.40
—
4:47.35
▲ 9.68
—
4:38.19
▲ 9.16
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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.