Jesslyn Yong

Age: 9 years old
Age Category: 10 & under
Team: Palo Alto Stanford Aquatics | Pacific Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Pacific Swimming Palo Alto Stanford Aquatics
Free 25 Y 17.98 8 01/27/2024 158 19
Free 50 Y 31.33 9 04/03/2025 A AA: 30.89 (+0.44s | 1.4%) 46 2
Free 100 Y 1:09.72 9 11/01/2025 A AA: 1:08.29 (+1.43s | 2.1%) 40 4
Free 200 Y 2:35.34 9 11/01/2025 A AA: 2:30.99 (+4.35s | 2.8%) 38 3
Free 500 Y 6:53.23 9 10/25/2025 A AA: 6:36.19 (+17.04s | 4.1%) 26 3
Back 25 Y 20.29 8 01/27/2024 45 4
Back 50 Y 36.65 9 04/26/2025 A AA: 36.19 (+0.46s | 1.3%) 33 3
Back 100 Y 1:19.69 9 04/26/2025 A AA: 1:18.39 (+1.30s | 1.6%) 33 3
Breast 25 Y 27.62 8 01/27/2024 358 31
Breast 50 Y 46.48 9 10/25/2025 BB A: 42.79 (+3.69s | 7.9%) 153 13
Breast 100 Y 1:32.84 9 11/01/2025 A AA: 1:29.09 (+3.75s | 4.0%) 44 8
Fly 25 Y 21.48 8 01/13/2024 183 16
Fly 50 Y 37.27 9 10/25/2025 BB A: 36.99 (+0.28s | 0.8%) 75 5
Fly 100 Y 1:25.94 9 03/22/2025 A AA: 1:20.99 (+4.95s | 5.8%) 33 3
50 Fly
39.39
39.39
100 Fly
46.55
1:25.94
100 Fly
1:25.94
IM 100 Y 1:22.19 9 10/25/2025 BB A: 1:22.09 (+0.10s | 0.1%) 58 3
IM 200 Y 2:59.97 9 11/01/2025 BB A: 2:55.49 (+4.48s | 2.5%) 43 7

Long course distance

Event Time Age Date Standard Next Standard Pacific Swimming Palo Alto Stanford Aquatics
Free 50 M 35.60 9 07/11/2025 A AA: 35.09 (+0.51s | 1.4%) 33 2
Free 100 M 1:18.88 9 07/11/2025 A AA: 1:18.19 (+0.69s | 0.9%) 33 2
Free 200 M 2:59.15 9 06/27/2025 A AA: 2:51.99 (+7.16s | 4.0%) 38 3
Free 400 M 6:20.93 9 06/06/2025 BB A: 6:14.89 (+6.04s | 1.6%) 29 2
Back 50 M 41.13 9 07/11/2025 AA AAA: 39.49 (+1.64s | 4.0%) 22 3
Back 100 M 1:28.76 9 07/11/2025 AA AAA: 1:25.59 (+3.17s | 3.6%) 19 2
Breast 50 M 1:03.98 8 06/07/2024 B: 1:02.19 (+1.79s | 2.8%) 328 29
Breast 100 M 1:54.77 9 06/27/2025 BB A: 1:48.39 (+6.38s | 5.6%) 81 9
Fly 50 M 44.69 9 05/16/2025 BB A: 41.59 (+3.10s | 6.9%) 63 6
Fly 100 M 2:02.83 8 06/22/2024 B BB: 1:55.39 (+7.44s | 6.1%) 76 6
IM 200 M 3:20.31 9 06/06/2025 A AA: 3:13.09 (+7.22s | 3.6%) 32 2

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