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
2020–21
2021–22
2022–23
2023–24
2024–25
50 Free LCM
42.74
37.44
▲ 5.30
34.72
▲ 2.72
31.97
▲ 2.75
30.89
▲ 1.08
29.34
▲ 1.55
29.01
▲ 0.33
27.40
▲ 1.61
27.28
▲ 0.12
27.31
▼ 0.03
27.19
▲ 0.12
27.62
▼ 0.43
100 Free LCM
1:48.07
1:35.43
▲ 12.64
1:20.79
▲ 14.64
1:11.72
▲ 9.07
1:12.57
▼ 0.85
1:05.23
▲ 7.34
1:05.84
▼ 0.61
1:01.39
▲ 4.45
1:01.00
▲ 0.39
1:00.11
▲ 0.89
58.75
▲ 1.36
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200 Free LCM
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3:02.79
2:38.10
▲ 24.69
2:36.15
▲ 1.95
2:27.63
▲ 8.52
2:21.43
▲ 6.20
2:14.86
▲ 6.57
2:17.70
▼ 2.84
2:19.39
▼ 1.69
2:15.39
▲ 4.00
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400 Free LCM
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5:36.88
5:04.20
▲ 32.68
4:55.63
▲ 8.57
4:54.06
▲ 1.57
4:59.39
▼ 5.33
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800 Free LCM
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11:41.85
10:36.77
▲ 65.08
10:00.52
▲ 36.25
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1500 Free LCM
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19:57.38
19:32.22
▲ 25.16
19:40.48
▼ 8.26
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50 Back LCM
51.04
46.09
▲ 4.95
41.50
▲ 4.59
38.33
▲ 3.17
36.00
▲ 2.33
34.69
▲ 1.31
35.08
▼ 0.39
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100 Back LCM
1:54.89
1:42.86
▲ 12.03
1:35.88
▲ 6.98
1:21.47
▲ 14.41
1:20.13
▲ 1.34
1:15.85
▲ 4.28
1:11.39
▲ 4.46
1:10.00
▲ 1.39
1:08.39
▲ 1.61
1:08.68
▼ 0.29
1:08.81
▼ 0.13
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200 Back LCM
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2:49.55
2:37.78
▲ 11.77
2:33.20
▲ 4.58
2:32.56
▲ 0.64
2:27.89
▲ 4.67
2:29.08
▼ 1.19
2:25.38
▲ 3.70
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50 Breast LCM
1:04.02
56.35
▲ 7.67
50.91
▲ 5.44
44.36
▲ 6.55
44.61
▼ 0.25
43.03
▲ 1.58
39.90
▲ 3.13
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100 Breast LCM
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2:07.52
1:52.23
▲ 15.29
1:45.35
▲ 6.88
1:39.83
▲ 5.52
1:40.07
▼ 0.24
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1:25.24
▲ 14.83
1:29.57
▼ 4.33
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200 Breast LCM
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3:55.51
3:29.16
▲ 26.35
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3:09.65
▲ 19.51
3:02.71
▲ 6.94
3:06.69
▼ 3.98
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50 Fly LCM
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49.69
41.99
▲ 7.70
37.65
▲ 4.34
35.54
▲ 2.11
34.61
▲ 0.93
33.05
▲ 1.56
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100 Fly LCM
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1:20.77
1:12.00
▲ 8.77
1:08.66
▲ 3.34
1:07.98
▲ 0.68
1:05.92
▲ 2.06
1:05.82
▲ 0.10
1:07.50
▼ 1.68
200 IM LCM
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3:01.33
3:03.25
▼ 1.92
2:47.33
▲ 15.92
2:43.86
▲ 3.47
2:34.10
▲ 9.76
2:34.28
▼ 0.18
2:33.99
▲ 0.29
2:31.32
▲ 2.67
2:30.78
▲ 0.54
400 IM LCM
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5:30.90
5:33.31
▼ 2.41
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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.