Swimmer profile
Sienna Nitke
FemaleOpen / SeniorUniv of Denver HilltoppersCO · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2015–16
2016–17
2017–18
2018–19
2020–21
2021–22
2022–23
2023–24
2025–26
50 Free LCM
33.46
29.83
▲ 3.63
28.39
▲ 1.44
27.80
▲ 0.59
27.64
▲ 0.16
27.32
▲ 0.32
27.11
▲ 0.21
27.53
▼ 0.42
27.91
▼ 0.38
100 Free LCM
1:12.68
1:06.12
▲ 6.56
1:02.02
▲ 4.10
1:01.03
▲ 0.99
59.65
▲ 1.38
58.68
▲ 0.97
58.67
▲ 0.01
58.94
▼ 0.27
1:01.26
▼ 2.32
200 Free LCM
2:41.15
2:24.09
▲ 17.06
2:14.46
▲ 9.63
2:11.08
▲ 3.38
2:08.98
▲ 2.10
2:08.35
▲ 0.63
2:08.04
▲ 0.31
2:08.51
▼ 0.47
2:13.11
▼ 4.60
400 Free LCM
5:38.07
5:02.78
▲ 35.29
4:48.19
▲ 14.59
4:40.50
▲ 7.69
4:32.49
▲ 8.01
4:33.63
▼ 1.14
4:32.84
▲ 0.79
4:34.95
▼ 2.11
4:53.92
▼ 18.97
800 Free LCM
—
10:22.09
9:55.08
▲ 27.01
9:42.98
▲ 12.10
9:33.44
▲ 9.54
9:39.34
▼ 5.90
—
—
—
1500 Free LCM
—
—
—
—
18:49.68
18:29.49
▲ 20.19
—
—
—
50 Back LCM
—
40.86
39.00
▲ 1.86
—
—
—
35.06
▲ 3.94
—
—
100 Back LCM
1:41.69
1:27.04
▲ 14.65
1:26.29
▲ 0.75
1:23.05
▲ 3.24
1:15.70
▲ 7.35
1:20.91
▼ 5.21
—
—
—
200 Back LCM
—
—
—
2:48.14
2:42.75
▲ 5.39
—
—
—
—
50 Breast LCM
—
45.78
—
—
—
35.81
▲ 9.97
36.12
▼ 0.31
36.98
▼ 0.86
—
100 Breast LCM
1:54.08
1:39.12
▲ 14.96
1:35.70
▲ 3.42
1:30.79
▲ 4.91
1:18.70
▲ 12.09
1:18.15
▲ 0.55
1:19.31
▼ 1.16
1:24.84
▼ 5.53
—
200 Breast LCM
—
—
3:26.71
3:16.22
▲ 10.49
2:57.05
▲ 19.17
—
—
—
—
50 Fly LCM
40.30
36.07
▲ 4.23
32.26
▲ 3.81
31.85
▲ 0.41
30.48
▲ 1.37
—
31.77
▼ 1.29
—
—
100 Fly LCM
1:39.52
1:25.42
▲ 14.10
1:15.87
▲ 9.55
1:11.33
▲ 4.54
1:08.93
▲ 2.40
1:06.35
▲ 2.58
1:06.93
▼ 0.58
1:07.85
▼ 0.92
1:09.15
▼ 1.30
200 Fly LCM
—
—
2:54.24
2:40.93
▲ 13.31
—
2:38.98
▲ 1.95
—
2:32.71
▲ 6.27
—
200 IM LCM
3:23.64
—
2:53.74
▲ 29.90
2:47.44
▲ 6.30
2:33.59
▲ 13.85
2:29.76
▲ 3.83
2:39.41
▼ 9.65
—
—
400 IM LCM
—
—
—
—
5:25.99
—
—
—
—
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.