Swimmer profile
Sienna Mrachek
Female17-18AquaStormND · CENTRAL
SeasonUSA Swimming season runs Sept – Aug
Event
2018–19
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
39.07
31.25
▲ 7.82
29.77
▲ 1.48
29.51
▲ 0.26
30.09
▼ 0.58
28.82
▲ 1.27
—
100 Free LCM
1:26.80
1:08.95
▲ 17.85
1:05.79
▲ 3.16
1:04.02
▲ 1.77
1:04.21
▼ 0.19
1:02.08
▲ 2.13
1:04.70
▼ 2.62
200 Free LCM
3:07.61
2:35.60
▲ 32.01
2:20.44
▲ 15.16
2:18.70
▲ 1.74
2:19.56
▼ 0.86
2:15.60
▲ 3.96
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400 Free LCM
6:46.00
5:16.44
▲ 89.56
4:52.65
▲ 23.79
4:50.41
▲ 2.24
4:48.94
▲ 1.47
4:49.79
▼ 0.85
5:05.34
▼ 15.55
800 Free LCM
13:38.26
10:40.28
▲ 177.98
9:59.71
▲ 40.57
10:01.62
▼ 1.91
10:15.45
▼ 13.83
9:57.16
▲ 18.29
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1500 Free LCM
—
20:55.72
19:17.02
▲ 98.70
19:11.69
▲ 5.33
19:32.81
▼ 21.12
19:05.89
▲ 26.92
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50 Back LCM
48.20
—
—
37.32
▲ 10.88
35.20
▲ 2.12
33.90
▲ 1.30
—
100 Back LCM
1:44.25
—
1:22.40
▲ 21.85
1:22.34
▲ 0.06
—
1:20.38
▲ 1.96
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200 Back LCM
—
—
—
3:00.51
—
—
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50 Breast LCM
—
44.98
40.02
▲ 4.96
42.31
▼ 2.29
—
—
39.77
▲ 2.54
100 Breast LCM
—
1:39.08
1:28.96
▲ 10.12
1:30.74
▼ 1.78
1:30.26
▲ 0.48
—
—
50 Fly LCM
51.55
38.61
▲ 12.94
35.07
▲ 3.54
35.56
▼ 0.49
—
32.42
▲ 3.14
33.18
▼ 0.76
100 Fly LCM
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—
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1:20.85
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—
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200 IM LCM
3:43.99
2:55.47
▲ 48.52
—
2:36.55
▲ 18.92
2:36.70
▼ 0.15
2:36.23
▲ 0.47
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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.