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Josephine Cho

Age: 10 years old
Age Category: 10 & under
Team: Manta Rays | Metropolitan Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Manta Rays Metropolitan Swimming Eastern Zone USA
Free 50 Y 33.78 10 02/20/2026 BB A: 32.09 (+1.69s | 5.0%) 2 145 613 1,000+
Free 100 Y 1:13.68 Analysis 10 02/20/2026 BB A: 1:11.49 (+2.19s | 3.0%) 2 99 394 1,000+
50 Free
34.61
34.61
100 Free
39.07
1:13.68
100 Free
1:13.68
Free 200 Y 2:52.61 Analysis 10 02/13/2026 BB A: 2:38.39 (+14.22s | 8.2%) 2 146 603 1,000+
50 Free
35.76
35.76
100 Free
44.01
1:19.77
100 Free
1:19.77
150 Free
46.52
2:06.29
200 Free
46.32
2:52.61
100 Free
1:32.84
Back 50 Y 47.11 10 12/13/2025 B BB: 43.29 (+3.82s | 8.1%) 5 499 1,000+ 1,000+
Breast 50 Y 46.52 10 02/20/2026 BB A: 42.79 (+3.73s | 8.0%) 1 167 728 1,000+
Fly 50 Y 47.19 10 11/14/2025 B BB: 42.69 (+4.50s | 9.5%) 4 345 1,000+ 1,000+
IM 100 Y 1:36.54 Analysis 10 11/14/2025 B BB: 1:33.19 (+3.35s | 3.5%) 3 290 1,000+ 1,000+

Long course distance

Event Time Age Date Standard Next Standard Manta Rays Metropolitan Swimming Eastern Zone USA

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