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
2022–23
2023–24
2024–25
25 Free SCY
18.36
—
—
—
—
—
—
—
—
—
—
—
—
—
50 Free SCY
41.53
36.63
▲ 4.90
32.92
▲ 3.71
31.21
▲ 1.71
28.71
▲ 2.50
27.66
▲ 1.05
26.69
▲ 0.97
26.37
▲ 0.32
—
—
—
28.00
▼ 1.63
—
26.28
▲ 1.72
100 Free SCY
—
1:21.67
1:12.57
▲ 9.10
1:05.95
▲ 6.62
1:01.81
▲ 4.14
58.20
▲ 3.61
57.05
▲ 1.15
55.87
▲ 1.18
55.57
▲ 0.30
55.69
▼ 0.12
56.45
▼ 0.76
58.04
▼ 1.59
—
56.71
▲ 1.33
200 Free SCY
—
—
2:32.54
2:21.86
▲ 10.68
2:12.19
▲ 9.67
2:06.07
▲ 6.12
2:00.51
▲ 5.56
1:59.59
▲ 0.92
2:00.49
▼ 0.90
1:58.20
▲ 2.29
—
—
—
—
500 Free SCY
—
—
6:47.80
6:14.97
▲ 32.83
5:50.82
▲ 24.15
5:27.73
▲ 23.09
5:12.52
▲ 15.21
5:10.53
▲ 1.99
5:11.58
▼ 1.05
5:11.76
▼ 0.18
5:15.87
▼ 4.11
—
—
—
1000 Free SCY
—
—
—
12:42.79
12:08.38
▲ 34.41
11:21.71
▲ 46.67
10:36.59
▲ 45.12
10:36.19
▲ 0.40
10:41.21
▼ 5.02
10:44.96
▼ 3.75
11:07.90
▼ 22.94
—
—
—
1650 Free SCY
—
—
—
—
—
18:49.55
17:46.37
▲ 63.18
—
18:10.79
▼ 24.42
—
18:02.50
▲ 8.29
—
—
—
50 Back SCY
48.27
40.69
▲ 7.58
38.84
▲ 1.85
37.40
▲ 1.44
36.19
▲ 1.21
—
—
—
—
—
—
34.58
▲ 1.61
—
33.00
▲ 1.58
100 Back SCY
—
1:30.14
1:23.19
▲ 6.95
1:21.02
▲ 2.17
1:16.23
▲ 4.79
1:10.74
▲ 5.49
1:09.75
▲ 0.99
1:06.53
▲ 3.22
1:05.70
▲ 0.83
—
1:07.40
▼ 1.70
1:07.65
▼ 0.25
—
1:08.11
▼ 0.46
200 Back SCY
—
—
—
—
2:45.22
2:31.08
▲ 14.14
—
2:19.22
▲ 11.86
—
—
—
—
—
—
25 Breast SCY
26.34
—
—
—
—
—
—
—
—
—
—
—
—
—
50 Breast SCY
55.54
45.51
▲ 10.03
42.59
▲ 2.92
37.99
▲ 4.60
34.92
▲ 3.07
—
—
—
—
—
—
36.38
▼ 1.46
—
33.86
▲ 2.52
100 Breast SCY
—
—
1:32.30
1:23.22
▲ 9.08
1:15.36
▲ 7.86
1:13.46
▲ 1.90
1:12.86
▲ 0.60
1:09.87
▲ 2.99
1:10.43
▼ 0.56
1:09.78
▲ 0.65
1:11.09
▼ 1.31
1:15.44
▼ 4.35
—
1:13.06
▲ 2.38
200 Breast SCY
—
—
—
3:03.18
2:46.36
▲ 16.82
2:41.60
▲ 4.76
2:32.32
▲ 9.28
2:28.52
▲ 3.80
2:29.63
▼ 1.11
2:24.49
▲ 5.14
2:32.71
▼ 8.22
2:27.70
▲ 5.01
2:28.61
▼ 0.91
2:28.49
▲ 0.12
25 Fly SCY
21.17
—
—
—
—
—
—
—
—
—
—
—
—
—
50 Fly SCY
50.41
40.64
▲ 9.77
36.35
▲ 4.29
33.77
▲ 2.58
31.57
▲ 2.20
—
—
—
—
—
—
29.77
▲ 1.80
—
28.34
▲ 1.43
100 Fly SCY
—
—
1:24.20
1:14.62
▲ 9.58
1:09.48
▲ 5.14
1:06.06
▲ 3.42
1:02.19
▲ 3.87
59.34
▲ 2.85
1:00.96
▼ 1.62
59.71
▲ 1.25
1:01.25
▼ 1.54
1:01.44
▼ 0.19
—
1:01.16
▲ 0.28
200 Fly SCY
—
—
—
—
2:34.84
2:27.33
▲ 7.51
2:10.59
▲ 16.74
2:09.22
▲ 1.37
2:11.23
▼ 2.01
2:09.29
▲ 1.94
2:11.85
▼ 2.56
2:10.54
▲ 1.31
2:12.95
▼ 2.41
2:12.56
▲ 0.39
100 IM SCY
—
1:29.88
1:22.03
▲ 7.85
1:18.26
▲ 3.77
1:11.88
▲ 6.38
—
—
—
—
—
1:04.54
▲ 7.34
1:04.61
▼ 0.07
—
1:04.46
▲ 0.15
200 IM SCY
—
3:18.60
3:05.45
▲ 13.15
2:43.43
▲ 22.02
2:28.66
▲ 14.77
2:21.66
▲ 7.00
2:16.09
▲ 5.57
2:10.30
▲ 5.79
2:12.41
▼ 2.11
2:11.09
▲ 1.32
2:13.51
▼ 2.42
2:12.69
▲ 0.82
2:14.45
▼ 1.76
2:14.60
▼ 0.15
400 IM SCY
—
—
—
5:39.16
5:28.20
▲ 10.96
4:59.08
▲ 29.12
4:36.14
▲ 22.94
4:30.58
▲ 5.56
4:36.55
▼ 5.97
4:32.91
▲ 3.64
4:39.22
▼ 6.31
4:40.85
▼ 1.63
4:42.83
▼ 1.98
4:42.60
▲ 0.23
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.