Swimmer profile
Jillian Wiersema
Female17-18H2okie AquaticsVA · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2018–19
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
38.31
33.71
▲ 4.60
32.00
▲ 1.71
29.18
▲ 2.82
28.19
▲ 0.99
27.92
▲ 0.27
27.81
▲ 0.11
100 Free LCM
1:27.93
1:15.05
▲ 12.88
1:11.39
▲ 3.66
1:05.00
▲ 6.39
59.58
▲ 5.42
59.16
▲ 0.42
58.91
▲ 0.25
200 Free LCM
3:10.03
2:39.94
▲ 30.09
2:35.97
▲ 3.97
2:17.37
▲ 18.60
2:09.85
▲ 7.52
2:04.39
▲ 5.46
2:06.80
▼ 2.41
400 Free LCM
6:40.53
5:44.84
▲ 55.69
5:39.47
▲ 5.37
4:59.88
▲ 39.59
4:31.32
▲ 28.56
4:25.94
▲ 5.38
4:23.26
▲ 2.68
800 Free LCM
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10:06.19
9:22.42
▲ 43.77
9:14.86
▲ 7.56
9:11.88
▲ 2.98
1500 Free LCM
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19:24.78
18:12.63
▲ 72.15
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50 Back LCM
43.84
38.04
▲ 5.80
36.48
▲ 1.56
34.49
▲ 1.99
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100 Back LCM
1:33.95
1:18.38
▲ 15.57
1:16.50
▲ 1.88
1:10.53
▲ 5.97
1:08.03
▲ 2.50
1:06.32
▲ 1.71
1:05.78
▲ 0.54
200 Back LCM
3:31.10
2:59.80
▲ 31.30
2:48.72
▲ 11.08
2:29.44
▲ 19.28
2:25.34
▲ 4.10
2:18.59
▲ 6.75
2:19.61
▼ 1.02
50 Breast LCM
58.63
50.64
▲ 7.99
48.43
▲ 2.21
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100 Breast LCM
2:08.30
—
1:40.75
▲ 27.55
1:34.49
▲ 6.26
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200 Breast LCM
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3:33.42
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50 Fly LCM
57.21
—
37.93
▲ 19.28
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100 Fly LCM
2:03.53
1:34.98
▲ 28.55
1:30.31
▲ 4.67
1:23.82
▲ 6.49
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200 IM LCM
3:40.25
3:08.79
▲ 31.46
2:56.27
▲ 12.52
2:49.71
▲ 6.56
2:32.21
▲ 17.50
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400 IM LCM
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5:47.19
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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.