Swimmer profile
Siena Nimmer
Female17-18Highlands Ranch AquaticsCO · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2020–21
2021–22
2022–23
2023–24
2024–25
50 Free LCM
34.41
33.19
▲ 1.22
32.10
▲ 1.09
32.03
▲ 0.07
32.19
▼ 0.16
100 Free LCM
1:13.33
1:11.35
▲ 1.98
1:09.25
▲ 2.10
1:09.68
▼ 0.43
1:08.65
▲ 1.03
200 Free LCM
2:43.96
2:31.59
▲ 12.37
2:29.94
▲ 1.65
2:32.00
▼ 2.06
2:32.83
▼ 0.83
400 Free LCM
—
5:26.48
5:23.71
▲ 2.77
5:19.64
▲ 4.07
5:21.37
▼ 1.73
800 Free LCM
—
11:20.23
—
11:07.58
▲ 12.65
—
1500 Free LCM
—
—
21:10.52
21:26.11
▼ 15.59
—
50 Back LCM
45.22
—
—
—
38.59
▲ 6.63
100 Back LCM
—
1:33.37
—
—
—
200 Back LCM
—
—
3:12.86
—
—
50 Breast LCM
—
—
—
43.60
46.97
▼ 3.37
100 Breast LCM
1:42.57
1:34.27
▲ 8.30
1:36.29
▼ 2.02
1:34.56
▲ 1.73
1:34.36
▲ 0.20
200 Breast LCM
—
3:21.66
3:29.35
▼ 7.69
—
3:25.71
▲ 3.64
50 Fly LCM
—
—
—
—
36.12
100 Fly LCM
—
—
1:31.50
1:25.95
▲ 5.55
1:23.08
▲ 2.87
200 IM LCM
3:16.01
3:04.95
▲ 11.06
—
3:05.16
▼ 0.21
—
400 IM LCM
—
—
—
6:20.05
—
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.