Swimmer profile
Shelby Nicolaisen
FemaleOpen / SeniorScottsdale Aquatic ClubSI · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2011–12
2012–13
2013–14
2014–15
2015–16
2016–17
2017–18
2018–19
2019–20
2020–21
2021–22
50 Free LCM
43.95
39.57
▲ 4.38
35.73
▲ 3.84
33.21
▲ 2.52
31.91
▲ 1.30
30.53
▲ 1.38
29.45
▲ 1.08
30.45
▼ 1.00
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30.24
▲ 0.21
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100 Free LCM
1:42.77
1:26.51
▲ 16.26
1:19.80
▲ 6.71
1:12.36
▲ 7.44
1:07.27
▲ 5.09
1:05.76
▲ 1.51
1:04.92
▲ 0.84
1:04.75
▲ 0.17
1:04.36
▲ 0.39
1:03.10
▲ 1.26
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200 Free LCM
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3:09.25
2:52.50
▲ 16.75
2:35.66
▲ 16.84
2:25.62
▲ 10.04
2:21.24
▲ 4.38
2:17.88
▲ 3.36
2:15.04
▲ 2.84
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2:16.88
▼ 1.84
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400 Free LCM
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—
6:12.49
5:32.68
▲ 39.81
5:07.49
▲ 25.19
4:43.82
▲ 23.67
4:43.56
▲ 0.26
4:38.40
▲ 5.16
4:47.34
▼ 8.94
4:41.30
▲ 6.04
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800 Free LCM
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—
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11:09.23
10:43.66
▲ 25.57
9:45.16
▲ 58.50
9:50.27
▼ 5.11
9:32.91
▲ 17.36
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1500 Free LCM
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—
—
—
20:52.28
—
18:24.87
▲ 147.41
18:11.22
▲ 13.65
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—
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50 Back LCM
51.21
46.50
▲ 4.71
46.80
▼ 0.30
43.19
▲ 3.61
38.16
▲ 5.03
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—
—
—
—
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100 Back LCM
1:55.18
1:44.86
▲ 10.32
1:34.44
▲ 10.42
1:28.36
▲ 6.08
1:22.24
▲ 6.12
1:21.03
▲ 1.21
1:19.05
▲ 1.98
1:18.22
▲ 0.83
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1:15.32
▲ 2.90
1:24.70
▼ 9.38
200 Back LCM
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—
—
—
2:56.89
2:49.16
▲ 7.73
2:44.00
▲ 5.16
2:44.57
▼ 0.57
—
2:38.62
▲ 5.95
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50 Breast LCM
1:02.15
55.23
▲ 6.92
47.23
▲ 8.00
41.24
▲ 5.99
39.91
▲ 1.33
—
37.80
▲ 2.11
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—
—
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100 Breast LCM
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2:03.95
1:41.30
▲ 22.65
1:30.99
▲ 10.31
1:24.20
▲ 6.79
1:24.60
▼ 0.40
1:21.32
▲ 3.28
1:22.86
▼ 1.54
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1:21.55
▲ 1.31
1:21.44
▲ 0.11
200 Breast LCM
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—
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3:16.93
2:58.95
▲ 17.98
3:01.67
▼ 2.72
2:56.83
▲ 4.84
2:55.07
▲ 1.76
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2:50.34
▲ 4.73
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50 Fly LCM
53.49
48.44
▲ 5.05
40.56
▲ 7.88
36.43
▲ 4.13
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—
—
31.98
▲ 4.45
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100 Fly LCM
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1:54.63
1:28.92
▲ 25.71
1:21.43
▲ 7.49
1:16.14
▲ 5.29
1:10.98
▲ 5.16
1:09.30
▲ 1.68
1:09.64
▼ 0.34
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1:08.22
▲ 1.42
1:11.19
▼ 2.97
200 Fly LCM
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—
—
—
2:48.46
2:31.71
▲ 16.75
2:27.06
▲ 4.65
2:28.09
▼ 1.03
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2:28.60
▼ 0.51
2:38.18
▼ 9.58
200 IM LCM
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3:42.15
3:06.52
▲ 35.63
2:57.79
▲ 8.73
2:43.43
▲ 14.36
2:39.28
▲ 4.15
2:35.64
▲ 3.64
2:32.51
▲ 3.13
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2:30.85
▲ 1.66
2:39.02
▼ 8.17
400 IM LCM
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—
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6:18.21
6:01.03
▲ 17.18
5:29.00
▲ 32.03
5:21.98
▲ 7.02
5:17.63
▲ 4.35
5:23.09
▼ 5.46
5:16.91
▲ 6.18
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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.