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Joanna Zhu

Age: 12 years old
Age Category: 11-12
Team: Otter Swim Club | Pacific Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Otter Swim Club Pacific Swimming Western Zone USA
Free 50 Y 33.34 12 11/14/2025 B BB: 31.69 (+1.65s | 4.9%) 6 523 1,000+ 1,000+
Free 100 Y 1:13.06 Analysis 12 03/07/2026 B BB: 1:09.39 (+3.67s | 5.0%) 4 430 1,000+ 1,000+
Back 50 Y 37.15 12 02/07/2026 B BB: 35.99 (+1.16s | 3.1%) 2 286 1,000+ 1,000+
Back 100 Y 1:22.13 Analysis 12 11/14/2025 B BB: 1:19.79 (+2.34s | 2.8%) 2 275 1,000+ 1,000+
Breast 50 Y 39.74 12 03/07/2026 BB A: 37.69 (+2.05s | 5.2%) 3 187 715 1,000+
Breast 100 Y 1:28.73 Analysis 12 03/07/2026 BB A: 1:22.19 (+6.54s | 7.4%) 3 221 911 1,000+
Breast 200 Y 3:15.94 Analysis 12 03/07/2026 B BB: 3:10.99 (+4.95s | 2.5%) 2 167 592 1,000+
Fly 50 Y 34.27 12 03/07/2026 BB A: 31.59 (+2.68s | 7.8%) 2 214 899 1,000+
IM 100 Y 1:19.60 Analysis 12 02/07/2026 B BB: 1:19.09 (+0.51s | 0.6%) 2 288 1,000+ 1,000+
50 IM
36.66
36.66
100 IM
42.94
1:19.60
100 IM
1:19.60
IM 200 Y 3:33.98 Analysis 12 01/11/2025 B: 3:03.89 (+30.09s | 14.1%) 6 546 1,000+ 1,000+

Long course distance

Event Time Age Date Standard Next Standard Otter Swim Club Pacific Swimming Western Zone USA
Free 50 M 37.88 12 05/16/2026 B BB: 35.89 (+1.99s | 5.3%) 4 295 1,000+ 1,000+
Free 100 M 2:03.44 Analysis 12 05/20/2023 B: 1:25.59 (+37.85s | 30.7%) 10 714 1,000+ 1,000+
Back 50 M 43.29 12 05/16/2026 B BB: 41.59 (+1.70s | 3.9%) 2 183 945 1,000+
Back 100 M 1:51.92 Analysis 12 06/07/2024 B: 1:40.59 (+11.33s | 10.1%) 6 378 1,000+ 1,000+
Breast 50 M 47.26 12 05/16/2026 B BB: 46.19 (+1.07s | 2.3%) 2 136 655 1,000+
Breast 100 M 1:43.59 Analysis 12 05/16/2026 B BB: 1:42.19 (+1.40s | 1.4%) 2 139 625 1,000+
Fly 50 M 38.52 12 05/16/2026 BB A: 35.79 (+2.73s | 7.1%) 2 115 508 1,000+

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