Swimmer profile
Sienna Udzinski
Female13-14Treasure Coast AquaticsFL · SOUTHERN
SeasonUSA Swimming season runs Sept – Aug
Event
2018–19
2020–21
2021–22
2023–24
2024–25
2025–26
50 Free LCM
49.54
37.24
▲ 12.30
34.96
▲ 2.28
32.11
▲ 2.85
30.36
▲ 1.75
28.13
▲ 2.23
100 Free LCM
1:59.24
1:19.94
▲ 39.30
1:16.15
▲ 3.79
1:12.22
▲ 3.93
1:08.05
▲ 4.17
1:02.98
▲ 5.07
200 Free LCM
—
2:59.55
2:45.66
▲ 13.89
2:34.65
▲ 11.01
2:29.08
▲ 5.57
2:18.62
▲ 10.46
400 Free LCM
—
—
—
—
5:22.21
5:04.11
▲ 18.10
50 Back LCM
—
45.92
44.90
▲ 1.02
40.55
▲ 4.35
40.37
▲ 0.18
38.44
▲ 1.93
100 Back LCM
—
1:48.34
1:37.54
▲ 10.80
—
1:27.04
▲ 10.50
1:23.37
▲ 3.67
50 Breast LCM
1:09.92
52.07
▲ 17.85
48.57
▲ 3.50
44.04
▲ 4.53
42.67
▲ 1.37
40.50
▲ 2.17
100 Breast LCM
—
1:52.46
1:46.82
▲ 5.64
—
1:34.64
▲ 12.18
—
50 Fly LCM
—
45.23
38.57
▲ 6.66
34.98
▲ 3.59
33.59
▲ 1.39
31.51
▲ 2.08
100 Fly LCM
—
—
1:32.14
—
1:22.08
▲ 10.06
1:17.86
▲ 4.22
200 IM LCM
—
3:39.61
3:15.46
▲ 24.15
—
—
2:55.82
▲ 19.64
400 IM LCM
—
—
—
—
6:32.11
—
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.