Swimmer profile
Natalie Sierzanowski
Female17-18Fox Valley Swim TeamIL · CENTRALCollege athlete · Carnegie Mellon UniversityD3
SeasonUSA Swimming season runs Sept – Aug
Event
2015–16
2016–17
2017–18
2018–19
2019–20
2020–21
2021–22
2022–23
2023–24
2024–25
50 Free LCM
39.12
32.22
▲ 6.90
30.72
▲ 1.50
29.63
▲ 1.09
29.86
▼ 0.23
29.00
▲ 0.86
28.71
▲ 0.29
28.76
▼ 0.05
28.63
▲ 0.13
29.30
▼ 0.67
100 Free LCM
1:31.06
1:14.49
▲ 16.57
1:07.89
▲ 6.60
1:06.88
▲ 1.01
—
1:04.33
▲ 2.55
1:04.18
▲ 0.15
1:03.05
▲ 1.13
1:03.43
▼ 0.38
1:04.70
▼ 1.27
200 Free LCM
3:32.44
2:56.13
▲ 36.31
2:33.08
▲ 23.05
2:32.74
▲ 0.34
—
2:22.39
▲ 10.35
2:25.38
▼ 2.99
2:17.58
▲ 7.80
2:18.46
▼ 0.88
2:18.72
▼ 0.26
400 Free LCM
—
—
5:40.53
5:27.14
▲ 13.39
—
5:11.26
▲ 15.88
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—
—
4:58.35
▲ 12.91
50 Back LCM
46.95
40.48
▲ 6.47
35.77
▲ 4.71
34.04
▲ 1.73
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—
—
—
—
32.45
▲ 1.59
100 Back LCM
1:43.12
1:25.83
▲ 17.29
1:14.28
▲ 11.55
1:14.74
▼ 0.46
—
1:11.10
▲ 3.64
1:09.54
▲ 1.56
1:09.05
▲ 0.49
1:08.18
▲ 0.87
1:09.23
▼ 1.05
200 Back LCM
—
—
—
—
—
2:32.60
2:31.63
▲ 0.97
2:26.66
▲ 4.97
2:31.41
▼ 4.75
—
50 Breast LCM
52.44
42.86
▲ 9.58
38.87
▲ 3.99
38.40
▲ 0.47
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—
—
—
—
—
100 Breast LCM
1:56.32
1:36.63
▲ 19.69
1:26.84
▲ 9.79
—
—
1:30.64
▼ 3.80
1:24.26
▲ 6.38
1:30.21
▼ 5.95
1:29.17
▲ 1.04
1:19.58
▲ 9.59
200 Breast LCM
—
—
—
—
—
—
3:13.49
3:14.14
▼ 0.65
—
2:59.88
▲ 14.26
50 Fly LCM
53.09
37.21
▲ 15.88
32.13
▲ 5.08
31.47
▲ 0.66
—
—
—
30.82
▲ 0.65
—
30.19
▲ 0.63
100 Fly LCM
2:11.10
1:29.02
▲ 42.08
1:18.40
▲ 10.62
1:11.90
▲ 6.50
—
1:08.00
▲ 3.90
1:07.43
▲ 0.57
1:06.81
▲ 0.62
1:06.00
▲ 0.81
1:06.56
▼ 0.56
200 Fly LCM
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—
—
3:18.63
—
—
2:31.97
▲ 46.66
2:31.13
▲ 0.84
2:29.83
▲ 1.30
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200 IM LCM
3:55.11
3:11.31
▲ 43.80
2:49.91
▲ 21.40
2:50.00
▼ 0.09
2:46.88
▲ 3.12
2:35.57
▲ 11.31
2:37.61
▼ 2.04
2:33.30
▲ 4.31
2:33.16
▲ 0.14
2:34.05
▼ 0.89
400 IM LCM
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—
—
—
—
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5:52.29
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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.