Swimmer profile
Sienna Halleen
Female15-16Falfins SwimmingCO · WESTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2017–18
2018–19
2020–21
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
48.51
39.50
▲ 9.01
—
35.19
▲ 4.31
32.45
▲ 2.74
31.80
▲ 0.65
31.54
▲ 0.26
30.93
▲ 0.61
100 Free LCM
1:47.16
1:28.88
▲ 18.28
1:22.12
▲ 6.76
1:15.52
▲ 6.60
1:09.39
▲ 6.13
1:08.93
▲ 0.46
1:08.40
▲ 0.53
1:06.78
▲ 1.62
200 Free LCM
3:47.21
3:19.16
▲ 28.05
3:02.73
▲ 16.43
2:45.01
▲ 17.72
2:36.35
▲ 8.66
2:30.54
▲ 5.81
2:31.58
▼ 1.04
2:25.33
▲ 6.25
400 Free LCM
—
6:45.44
—
5:37.40
▲ 68.04
5:21.89
▲ 15.51
5:15.00
▲ 6.89
5:09.43
▲ 5.57
5:04.48
▲ 4.95
800 Free LCM
—
—
—
—
—
11:11.13
10:20.84
▲ 50.29
10:24.19
▼ 3.35
1500 Free LCM
—
—
—
—
—
20:58.05
19:57.02
▲ 61.03
19:58.06
▼ 1.04
50 Back LCM
55.34
49.83
▲ 5.51
—
42.65
▲ 7.18
—
—
—
—
100 Back LCM
1:59.30
1:46.12
▲ 13.18
1:40.77
▲ 5.35
1:30.83
▲ 9.94
1:27.89
▲ 2.94
1:23.97
▲ 3.92
1:19.33
▲ 4.64
1:20.35
▼ 1.02
200 Back LCM
—
—
—
3:11.44
2:59.69
▲ 11.75
3:00.07
▼ 0.38
2:55.65
▲ 4.42
—
50 Breast LCM
1:07.33
57.96
▲ 9.37
—
47.15
▲ 10.81
—
—
—
—
100 Breast LCM
—
2:07.21
1:55.75
▲ 11.46
1:43.78
▲ 11.97
1:33.28
▲ 10.50
1:34.28
▼ 1.00
1:29.10
▲ 5.18
—
200 Breast LCM
—
—
—
—
3:21.96
3:22.15
▼ 0.19
3:16.79
▲ 5.36
—
50 Fly LCM
1:02.61
47.52
▲ 15.09
—
39.41
▲ 8.11
36.31
▲ 3.10
—
—
32.22
▲ 4.09
100 Fly LCM
—
1:56.18
1:50.47
▲ 5.71
1:31.90
▲ 18.57
1:22.11
▲ 9.79
1:17.51
▲ 4.60
1:18.42
▼ 0.91
1:15.41
▲ 3.01
200 Fly LCM
—
—
—
—
—
2:54.55
3:03.59
▼ 9.04
—
200 IM LCM
4:21.05
3:47.85
▲ 33.20
—
3:10.69
▲ 37.16
2:55.27
▲ 15.42
2:52.84
▲ 2.43
2:50.43
▲ 2.41
2:47.13
▲ 3.30
400 IM LCM
—
—
—
—
6:08.99
5:58.93
▲ 10.06
6:00.20
▼ 1.27
5:47.51
▲ 12.69
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.