Swimmer profile
Sienna Mrachek
Female17-18AquaStormND · CENTRAL
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
2025–26
50 Free SCY
1:03.99
45.56
▲ 18.43
41.61
▲ 3.95
37.23
▲ 4.38
31.20
▲ 6.03
28.82
▲ 2.38
26.83
▲ 1.99
26.10
▲ 0.73
26.27
▼ 0.17
25.53
▲ 0.74
25.71
▼ 0.18
100 Free SCY
—
2:00.42
1:32.28
▲ 28.14
1:21.95
▲ 10.33
1:09.72
▲ 12.23
1:02.64
▲ 7.08
57.99
▲ 4.65
55.83
▲ 2.16
56.53
▼ 0.70
54.47
▲ 2.06
55.36
▼ 0.89
200 Free SCY
—
—
3:15.90
3:11.14
▲ 4.76
2:32.34
▲ 38.80
2:16.06
▲ 16.28
2:05.43
▲ 10.63
2:00.80
▲ 4.63
1:58.17
▲ 2.63
1:57.67
▲ 0.50
1:59.99
▼ 2.32
500 Free SCY
—
—
—
8:04.33
6:47.22
▲ 77.11
5:59.07
▲ 48.15
5:32.50
▲ 26.57
5:21.22
▲ 11.28
5:18.43
▲ 2.79
5:15.44
▲ 2.99
5:17.74
▼ 2.30
1000 Free SCY
—
—
—
—
—
12:21.86
11:17.72
▲ 64.14
11:08.63
▲ 9.09
11:11.64
▼ 3.01
11:06.71
▲ 4.93
11:19.50
▼ 12.79
1650 Free SCY
—
—
—
—
—
20:48.58
19:00.02
▲ 108.56
18:39.20
▲ 20.82
18:29.02
▲ 10.18
18:21.02
▲ 8.00
18:47.16
▼ 26.14
50 Back SCY
1:08.59
49.41
▲ 19.18
50.11
▼ 0.70
44.79
▲ 5.32
37.64
▲ 7.15
—
33.32
▲ 4.32
32.46
▲ 0.86
31.64
▲ 0.82
30.84
▲ 0.80
29.92
▲ 0.92
100 Back SCY
—
—
1:41.80
1:42.75
▼ 0.95
1:25.81
▲ 16.94
1:16.93
▲ 8.88
1:11.41
▲ 5.52
—
1:07.28
▲ 4.13
1:10.81
▼ 3.53
1:01.91
▲ 8.90
200 Back SCY
—
—
3:46.31
—
3:00.12
▲ 46.19
2:39.15
▲ 20.97
2:31.96
▲ 7.19
—
—
—
—
50 Breast SCY
1:26.43
—
54.56
▲ 31.87
51.46
▲ 3.10
42.20
▲ 9.26
38.41
▲ 3.79
36.34
▲ 2.07
35.82
▲ 0.52
34.78
▲ 1.04
33.60
▲ 1.18
34.97
▼ 1.37
100 Breast SCY
—
—
—
1:49.18
—
1:21.00
▲ 28.18
1:18.96
▲ 2.04
1:15.49
▲ 3.47
1:12.86
▲ 2.63
1:15.24
▼ 2.38
1:15.07
▲ 0.17
200 Breast SCY
—
—
—
—
—
2:57.28
2:51.59
▲ 5.69
—
—
—
—
50 Fly SCY
—
1:06.33
50.34
▲ 15.99
45.36
▲ 4.98
39.04
▲ 6.32
—
33.43
▲ 5.61
31.68
▲ 1.75
—
29.32
▲ 2.36
—
100 Fly SCY
—
—
—
—
—
—
1:12.91
—
1:05.29
▲ 7.62
1:07.54
▼ 2.25
1:04.72
▲ 2.82
200 Fly SCY
—
—
—
—
—
—
2:49.76
—
—
—
—
100 IM SCY
—
1:57.60
1:43.64
▲ 13.96
1:33.73
▲ 9.91
1:22.60
▲ 11.13
1:13.49
▲ 9.11
1:11.65
▲ 1.84
1:07.35
▲ 4.30
1:03.57
▲ 3.78
1:05.60
▼ 2.03
1:03.90
▲ 1.70
200 IM SCY
—
—
—
3:26.89
2:59.91
▲ 26.98
2:43.92
▲ 15.99
2:31.89
▲ 12.03
2:16.45
▲ 15.44
2:14.97
▲ 1.48
2:14.32
▲ 0.65
2:13.49
▲ 0.83
400 IM SCY
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—
—
—
—
—
5:09.20
4:59.54
▲ 9.66
—
4:49.45
▲ 10.09
—
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.