Swimmer profile
Sienna Cho
Female15-16Asphalt Green Unified AquaticsMR · EASTERN
SeasonUSA Swimming season runs Sept – Aug
Event
2021–22
2022–23
2023–24
2024–25
2025–26
50 Free LCM
35.61
31.90
▲ 3.71
—
29.30
▲ 2.60
—
100 Free LCM
1:18.47
1:08.74
▲ 9.73
1:04.94
▲ 3.80
1:03.05
▲ 1.89
59.78
▲ 3.27
200 Free LCM
2:48.81
2:31.54
▲ 17.27
2:19.50
▲ 12.04
2:13.71
▲ 5.79
2:06.25
▲ 7.46
400 Free LCM
—
5:18.98
4:49.82
▲ 29.16
4:42.57
▲ 7.25
4:27.12
▲ 15.45
800 Free LCM
—
—
—
—
9:05.06
50 Back LCM
42.31
35.53
▲ 6.78
33.89
▲ 1.64
32.65
▲ 1.24
32.68
▼ 0.03
100 Back LCM
—
1:17.39
1:11.38
▲ 6.01
1:08.42
▲ 2.96
1:07.67
▲ 0.75
200 Back LCM
—
2:42.60
2:33.25
▲ 9.35
2:26.54
▲ 6.71
2:22.52
▲ 4.02
50 Breast LCM
50.64
42.29
▲ 8.35
39.24
▲ 3.05
36.95
▲ 2.29
—
100 Breast LCM
—
1:33.18
1:26.40
▲ 6.78
1:23.99
▲ 2.41
1:19.63
▲ 4.36
200 Breast LCM
—
3:14.33
2:59.46
▲ 14.87
3:01.96
▼ 2.50
2:55.97
▲ 5.99
50 Fly LCM
40.38
33.50
▲ 6.88
32.91
▲ 0.59
—
—
100 Fly LCM
—
1:14.41
1:11.25
▲ 3.16
1:10.38
▲ 0.87
—
200 Fly LCM
—
—
—
—
2:36.58
200 IM LCM
—
2:43.91
2:35.16
▲ 8.75
2:28.30
▲ 6.86
2:24.02
▲ 4.28
400 IM LCM
—
—
5:34.16
5:20.78
▲ 13.38
5:08.24
▲ 12.54
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.