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Rosie Zhu

Age: 12 years old
Age Category: 11-12
Team: Central Ohio Aquatics | Ohio Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Central Ohio Aquatics Ohio Swimming Central Zone USA
Free 50 Y 28.72 12 02/27/2026 A AA: 28.09 (+0.63s | 2.2%) 6 42 299 1,000+
Free 100 Y 1:02.53 Analysis 12 03/12/2026 A AA: 1:01.39 (+1.14s | 1.8%) 5 35 229 1,000+
50 Free
30.06
30.06
100 Free
32.47
1:02.53
100 Free
1:02.53
Free 200 Y 2:15.95 Analysis 12 03/12/2026 A AA: 2:13.49 (+2.46s | 1.8%) 4 21 147 988
50 Free
32.31
32.31
100 Free
35.21
1:07.52
100 Free
1:07.52
150 Free
35.05
1:42.57
200 Free
33.38
2:15.95
100 Free
1:08.43
Free 500 Y 5:50.15 Analysis 12 03/12/2026 AA AAA: 5:43.29 (+6.86s | 2.0%) 2 10 58 427
50 Free
31.37
31.37
100 Free
35.27
1:06.64
100 Free
1:06.64
150 Free
35.22
1:41.86
200 Free
35.09
2:16.95
100 Free
1:10.31
250 Free
36.11
2:53.06
300 Free
36.02
3:29.08
100 Free
1:12.13
350 Free
35.75
4:04.83
400 Free
36.02
4:40.85
100 Free
1:11.77
450 Free
35.22
5:16.07
500 Free
34.08
5:50.15
100 Free
1:09.30
Free 1650 Y 20:41.55 Analysis 12 12/20/2025 A AA: 20:38.19 (+3.36s | 0.3%) 2 3 30 113
150 Free
1:47.48
1:47.48
200 Free
38.35
2:25.83
100 Free
2:25.83
250 Free
38.75
3:04.58
300 Free
39.06
3:43.64
100 Free
1:17.81
350 Free
39.15
4:22.79
400 Free
37.75
5:00.54
100 Free
1:16.90
450 Free
37.81
5:38.35
500 Free
39.13
6:17.48
100 Free
1:16.94
550 Free
37.27
6:54.75
600 Free
38.30
7:33.05
100 Free
1:15.57
650 Free
38.31
8:11.36
700 Free
36.50
8:47.86
100 Free
1:14.81
750 Free
38.42
9:26.28
800 Free
38.33
10:04.61
100 Free
1:16.75
850 Free
38.04
10:42.65
900 Free
38.60
11:21.25
100 Free
1:16.64
950 Free
38.81
12:00.06
1000 Free
38.39
12:38.45
100 Free
1:17.20
1050 Free
38.02
13:16.47
1100 Free
37.98
13:54.45
100 Free
1:16.00
1150 Free
36.48
14:30.93
1200 Free
38.14
15:09.07
100 Free
1:14.62
1250 Free
36.36
15:45.43
1300 Free
37.83
16:23.26
100 Free
1:14.19
1350 Free
37.61
17:00.87
1400 Free
38.42
17:39.29
100 Free
1:16.03
1450 Free
35.73
18:15.02
1500 Free
37.41
18:52.43
100 Free
1:13.14
1550 Free
37.33
19:29.76
1600 Free
36.98
20:06.74
100 Free
1:14.31
1650 Free
34.81
20:41.55
Back 50 Y 34.35 12 03/12/2026 BB A: 33.19 (+1.16s | 3.4%) 5 61 341 1,000+
Back 100 Y 1:14.12 Analysis 12 02/27/2026 BB A: 1:12.99 (+1.13s | 1.5%) 7 57 315 1,000+
50 Back
36.26
36.26
100 Back
37.86
1:14.12
100 Back
1:14.12
Back 200 Y 2:36.38 Analysis 12 02/27/2026 BB A: 2:33.89 (+2.49s | 1.6%) 5 29 124 799
50 Back
37.70
37.70
100 Back
40.40
1:18.10
100 Back
1:18.10
150 Back
39.88
1:57.98
200 Back
38.40
2:36.38
100 Back
1:18.28
Breast 50 Y 41.18 12 02/27/2026 B BB: 40.89 (+0.29s | 0.7%) 5 83 484 1,000+
IM 100 Y 1:14.92 Analysis 12 02/27/2026 BB A: 1:13.09 (+1.83s | 2.4%) 3 48 302 1,000+
50 IM
35.17
35.17
100 IM
39.75
1:14.92
100 IM
1:14.92

Long course distance

Event Time Age Date Standard Next Standard Central Ohio Aquatics Ohio Swimming Central Zone USA
Free 50 M 32.46 12 07/23/2026 A AA: 31.89 (+0.57s | 1.8%) 6 65 231 1,000+
Free 100 M 1:08.14 Analysis 12 07/23/2026 AA AAA: 1:07.19 (+0.95s | 1.4%) 3 23 90 524
50 Free
32.72
32.72
100 Free
35.42
1:08.14
100 Free
1:08.14
Free 200 M 2:27.43 Analysis 12 07/10/2026 AA AAA: 2:26.49 (+0.94s | 0.6%) 3 16 73 412
50 Free
34.13
34.13
100 Free
37.02
1:11.15
100 Free
1:11.15
150 Free
38.61
1:49.76
200 Free
37.67
2:27.43
100 Free
1:16.28
Free 400 M 5:06.77 Analysis 12 07/23/2026 AAA AAAA: 4:54.69 (+12.08s | 3.9%) 2 14 51 259
50 Free
34.21
34.21
100 Free
38.19
1:12.40
100 Free
1:12.40
150 Free
38.68
1:51.08
200 Free
38.13
2:29.21
100 Free
1:16.81
250 Free
35.88
3:05.09
300 Free
44.34
3:49.43
100 Free
1:20.22
350 Free
39.42
4:28.85
400 Free
37.92
5:06.77
100 Free
1:17.34
Back 100 M 1:23.65 Analysis 12 07/23/2026 A AA: 1:20.79 (+2.86s | 3.4%) 8 55 207 1,000+
50 Back
40.37
40.37
100 Back
43.28
1:23.65
100 Back
1:23.65
IM 200 M 2:57.54 Analysis 12 07/23/2026 A AA: 2:52.99 (+4.55s | 2.6%) 4 42 156 1,000+
50 Fly
40.30
40.30
100 Back
46.33
1:26.63
100 IM
1:26.63
150 Breast
52.77
2:19.40
200 Free
38.14
2:57.54
100 IM
1:30.91

Above are the fastest times that Rosie Zhu has achieved in her swimming career. For each event, you can find Rosie's best time, the corresponding time standard, as well as how much faster Rosie needs to be to reach the next level. The last columns provide Rosie rankings at the team and LSC levels. These rankings are based on the Rosie'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.