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Wesley Koo

Age: 9 years old
Age Category: 10 & under
Team: South Shore YMCA Strypers | New England Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard South Shore YMCA Strypers New England Swimming Eastern Zone USA
Free 25 Y 18.70 9 11/14/2025 5 126 655 1,000+
Free 50 Y 41.60 9 05/10/2026 B: 38.19 (+3.41s | 8.2%) 13 407 1,000+ 1,000+
Free 100 Y 1:35.32 Analysis 9 02/06/2026 B: 1:27.99 (+7.33s | 7.7%) 11 347 1,000+ 1,000+
Back 25 Y 22.91 9 01/30/2026 4 132 675 1,000+
Back 50 Y 54.62 9 06/07/2026 B: 48.29 (+6.33s | 11.6%) 17 559 1,000+ 1,000+
Back 100 Y 1:50.96 Analysis 9 02/06/2026 B: 1:40.69 (+10.27s | 9.3%) 9 291 1,000+ 1,000+
Breast 50 Y 59.65 9 05/10/2026 B: 53.39 (+6.26s | 10.5%) 12 383 1,000+ 1,000+
Breast 100 Y 2:06.52 Analysis 9 05/10/2026 B: 1:54.09 (+12.43s | 9.8%) 9 247 1,000+ 1,000+
50 Breast
59.09
59.09
100 Breast
1:07.43
2:06.52
100 Breast
2:06.52
Fly 50 Y 58.53 9 06/07/2026 B: 46.49 (+12.04s | 20.6%) 12 349 1,000+ 1,000+
IM 100 Y 1:53.26 Analysis 9 02/06/2026 B: 1:39.69 (+13.57s | 12.0%) 8 332 1,000+ 1,000+

Long course distance

Event Time Age Date Standard Next Standard South Shore YMCA Strypers New England Swimming Eastern Zone USA
Free 50 M 47.73 9 06/26/2026 B: 43.89 (+3.84s | 8.0%) 9 233 593 1,000+
Back 50 M 57.52 9 06/26/2026 B: 55.39 (+2.13s | 3.7%) 9 238 581 1,000+
Breast 100 M 2:12.92 Analysis 9 06/26/2026 B: 2:12.89 (+0.03s | 0.0%) 6 130 332 1,000+
50 Breast
1:04.45
1:04.45
100 Breast
1:08.47
2:12.92
100 Breast
2:12.92

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