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Sienna Cho

Age: 15 years old
Age Category: 15-16
Team: Asphalt Green Unified Aquatics | Metropolitan Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Asphalt Green Unified Aquatics Metropolitan Swimming Eastern Zone USA
Free 50 Y 26.21 15 01/17/2026 A AA: 26.09 (+0.12s | 0.5%) 11 101 677 1,000+
Free 100 Y 53.78 15 02/12/2026 AAA AAAA: 51.59 (+2.19s | 4.1%) 7 35 158 685
Free 200 Y 1:55.88 15 02/12/2026 AAA AAAA: 1:51.79 (+4.09s | 3.5%) 6 35 158 562
50 Free
26.85
26.85
100 Free
29.16
56.01
100 Free
56.01
150 Free
29.91
1:25.92
200 Free
29.96
1:55.88
100 Free
59.87
Free 500 Y 5:09.18 15 01/17/2026 AAA AAAA: 5:00.79 (+8.39s | 2.7%) 6 23 113 377
50 Free
28.32
28.32
100 Free
29.74
58.06
100 Free
58.06
150 Free
30.40
1:28.46
200 Free
30.90
1:59.36
100 Free
1:01.30
250 Free
31.05
2:30.41
300 Free
31.50
3:01.91
100 Free
1:02.55
350 Free
31.93
3:33.84
400 Free
32.36
4:06.20
100 Free
1:04.29
450 Free
31.84
4:38.04
500 Free
31.14
5:09.18
100 Free
1:02.98
Free 1000 Y 10:25.73 15 02/12/2026 AAA AAAA: 10:24.69 (+1.04s | 0.2%) 4 13 48 207
50 Free
28.24
28.24
100 Free
30.34
58.58
100 Free
58.58
150 Free
31.21
1:29.79
200 Free
31.45
2:01.24
100 Free
1:02.66
250 Free
31.44
2:32.68
300 Free
31.76
3:04.45
100 Free
1:03.21
350 Free
30.95
3:35.40
400 Free
31.53
4:06.93
100 Free
1:02.48
450 Free
31.61
4:38.54
500 Free
31.46
5:10.00
100 Free
1:03.07
550 Free
31.18
5:41.18
600 Free
30.92
6:12.10
100 Free
1:02.10
650 Free
31.92
6:44.02
700 Free
31.61
7:15.63
100 Free
1:03.53
750 Free
31.96
7:47.59
800 Free
31.82
8:19.41
100 Free
1:03.78
850 Free
31.99
8:51.40
900 Free
31.88
9:23.28
100 Free
1:03.87
950 Free
31.72
9:55.00
1000 Free
30.73
10:25.73
100 Free
1:02.45
Back 50 Y 27.82 15 02/12/2026 2 17 100 383
Back 100 Y 58.92 15 02/12/2026 AA AAA: 58.69 (+0.23s | 0.4%) 4 23 120 470
50 Back
28.73
28.73
100 Back
30.19
58.92
100 Back
58.92
Back 200 Y 2:03.04 15 02/12/2026 AAA AAAA: 2:01.69 (+1.35s | 1.1%) 3 11 34 144
50 Back
29.44
29.44
100 Back
31.38
1:00.82
100 Back
1:00.82
150 Back
30.87
1:31.69
200 Back
31.35
2:03.04
100 Back
1:02.22
Breast 100 Y 1:09.01 15 03/07/2026 AA AAA: 1:07.49 (+1.52s | 2.2%) 4 26 181 702
50 Breast
33.12
33.12
100 Breast
35.89
1:09.01
100 Breast
1:09.01
Fly 50 Y 27.42 15 01/17/2026 2 17 153 579
Fly 100 Y 59.54 15 03/07/2026 AA AAA: 58.39 (+1.15s | 1.9%) 5 32 184 738
50 Fly
28.04
28.04
100 Fly
31.50
59.54
100 Fly
59.54
Fly 200 Y 2:16.90 15 01/17/2026 A AA: 2:16.19 (+0.71s | 0.5%) 7 40 228 781
50 Fly
28.92
28.92
100 Fly
32.86
1:01.78
100 Fly
1:01.78
150 Fly
35.59
1:37.37
200 Fly
39.53
2:16.90
100 Fly
1:15.12
IM 200 Y 2:08.29 15 02/12/2026 AAA AAAA: 2:04.59 (+3.70s | 2.9%) 2 15 71 287
50 Fly
28.55
28.55
100 Back
32.13
1:00.68
100 IM
1:00.68
150 Breast
38.33
1:39.01
200 Free
29.28
2:08.29
100 IM
1:07.61
IM 400 Y 4:28.33 15 02/12/2026 AAA AAAA: 4:26.29 (+2.04s | 0.8%) 2 10 39 137
50 Fly
28.65
28.65
100 Fly
33.00
1:01.65
100 Fly
1:01.65
150 Back
34.23
1:35.88
200 Back
34.31
2:10.19
100 Back
1:08.54
250 Breast
38.88
2:49.07
300 Breast
39.21
3:28.28
100 Breast
1:18.09
350 Free
30.11
3:58.39
400 Free
29.94
4:28.33
100 Free
1:00.05

Long course distance

Event Time Age Date Standard Next Standard Asphalt Green Unified Aquatics Metropolitan Swimming Eastern Zone USA
Free 50 M 29.48 15 08/06/2025 AA AAA: 28.29 (+1.19s | 4.0%) 5 22 173 1,000+
Back 50 M 32.65 15 08/06/2025 2 5 34 266
Back 100 M 1:08.84 15 08/06/2025 AA AAA: 1:08.29 (+0.55s | 0.8%) 2 5 45 247
50 Back
34.04
34.04
100 Back
34.80
1:08.84
100 Back
1:08.84
Back 200 M 2:27.12 15 08/06/2025 AA AAA: 2:26.79 (+0.33s | 0.2%) 2 2 29 146
50 Back
34.50
34.50
100 Back
37.05
1:11.55
100 Back
1:11.55
150 Back
37.94
1:49.49
200 Back
37.63
2:27.12
100 Back
1:15.57
Breast 50 M 36.95 15 08/06/2025 1 4 18 243
Fly 100 M 1:10.88 15 08/06/2025 A AA: 1:09.29 (+1.59s | 2.2%) 4 14 126 740
50 Fly
33.06
33.06
100 Fly
37.82
1:10.88
100 Fly
1:10.88
IM 200 M 2:30.50 15 08/06/2025 AA AAA: 2:30.19 (+0.31s | 0.2%) 1 5 44 267
50 Fly
32.02
32.02
100 Back
38.57
1:10.59
100 IM
1:10.59
150 Breast
45.34
1:55.93
200 Free
34.57
2:30.50
100 IM
1:19.91
IM 400 M 5:24.77 15 08/06/2025 AA AAA: 5:17.99 (+6.78s | 2.1%) 1 5 54 308
50 Fly
34.46
34.46
100 Fly
39.75
1:14.21
100 Fly
1:14.21
150 Back
43.27
1:57.48
200 Back
40.98
2:38.46
100 Back
1:24.25
250 Breast
47.98
3:26.44
300 Breast
47.96
4:14.40
100 Breast
1:35.94
350 Free
35.47
4:49.87
400 Free
34.90
5:24.77
100 Free
1:10.37

Above are the fastest times that Sienna Cho has achieved in her swimming career. For each event, you can find Sienna's best time, the corresponding time standard, as well as how much faster Sienna needs to be to reach the next level. The last columns provide Sienna rankings at the team and LSC levels. These rankings are based on the Sienna's personal best, her current age category, and team; and are calculated from all the meets results.

Disclaimer: This Website is not affiliated with USA Swimming or any Local Swim Committee. The rankings and times displayed on this website are unofficial and should not be viewed as such. We update our information regularly, but we cannot guarantee that the data is accurate, timely, or complete. The only purpose of this website is entertainment. None of the information here should be used for university admission applications.