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Jesslyn Yong

Age: 10 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 Palo Alto Stanford Aquatics Pacific Swimming Western Zone USA
Free 25 Y 17.98 10 01/27/2024 19 139 384 1,000+
Free 50 Y 30.41 10 01/24/2026 AA AAA: 29.59 (+0.82s | 2.7%) 4 22 112 518
Free 100 Y 1:07.05 Analysis 10 04/09/2026 AA AAA: 1:04.99 (+2.06s | 3.1%) 3 14 86 423
50 Free
32.17
32.17
100 Free
34.88
1:07.05
100 Free
1:07.05
Free 200 Y 2:27.84 Analysis 10 03/20/2026 AA AAA: 2:23.59 (+4.25s | 2.9%) 4 18 78 380
50 Free
34.05
34.05
100 Free
39.37
1:13.42
100 Free
1:13.42
150 Free
38.79
1:52.21
200 Free
35.63
2:27.84
100 Free
1:14.42
Free 500 Y 6:31.60 Analysis 10 07/26/2026 AA AAA: 6:18.99 (+12.61s | 3.2%) 2 10 38 272
50 Free
33.38
33.38
100 Free
39.35
1:12.73
100 Free
1:12.73
150 Free
39.70
1:52.43
200 Free
40.83
2:33.26
100 Free
1:20.53
250 Free
40.79
3:14.05
300 Free
41.40
3:55.45
100 Free
1:22.19
350 Free
39.00
4:34.45
400 Free
40.79
5:15.24
100 Free
1:19.79
450 Free
38.53
5:53.77
500 Free
37.83
6:31.60
100 Free
1:16.36
Back 25 Y 20.29 10 01/27/2024 3 38 126 464
Back 50 Y 35.26 10 07/26/2026 AA AAA: 34.39 (+0.87s | 2.5%) 5 18 88 311
Back 100 Y 1:16.20 Analysis 10 04/09/2026 AA AAA: 1:14.49 (+1.71s | 2.2%) 3 14 74 348
50 Back
37.26
37.26
100 Back
38.94
1:16.20
100 Back
1:16.20
Breast 25 Y 27.62 10 01/27/2024 31 320 892 1,000+
Breast 50 Y 44.75 10 01/24/2026 BB A: 42.79 (+1.96s | 4.4%) 11 71 271 1,000+
Breast 100 Y 1:32.84 Analysis 10 11/01/2025 A AA: 1:29.09 (+3.75s | 4.0%) 6 34 144 660
Fly 25 Y 21.48 10 01/13/2024 12 150 397 1,000+
Fly 50 Y 35.67 10 03/07/2026 A AA: 35.09 (+0.58s | 1.6%) 6 45 155 482
Fly 100 Y 1:23.78 Analysis 10 03/20/2026 A AA: 1:20.99 (+2.79s | 3.3%) 4 32 149 579
50 Fly
39.52
39.52
100 Fly
44.26
1:23.78
100 Fly
1:23.78
IM 100 Y 1:16.45 Analysis 10 04/09/2026 AA AAA: 1:14.69 (+1.76s | 2.3%) 3 15 53 161
50 IM
35.47
35.47
100 IM
40.98
1:16.45
100 IM
1:16.45
IM 200 Y 2:53.43 Analysis 10 02/07/2026 A AA: 2:47.69 (+5.74s | 3.3%) 5 28 125 507

Long course distance

Event Time Age Date Standard Next Standard Palo Alto Stanford Aquatics Pacific Swimming Western Zone USA
Free 50 M 34.27 10 07/30/2026 AA AAA: 33.69 (+0.58s | 1.7%) 5 22 124 305
Free 100 M 1:15.70 Analysis 10 06/12/2026 AA AAA: 1:14.49 (+1.21s | 1.6%) 5 19 110 255
Free 200 M 2:44.01 Analysis 10 07/17/2026 AA AAA: 2:43.49 (+0.52s | 0.3%) 4 21 82 188
Free 400 M 6:20.93 Analysis 10 06/06/2025 BB A: 6:14.89 (+6.04s | 1.6%) 4 24 89 306
Back 50 M 40.65 10 07/17/2026 AA AAA: 39.49 (+1.16s | 2.9%) 6 17 114 290
Back 100 M 1:26.80 Analysis 10 07/17/2026 AA AAA: 1:25.59 (+1.21s | 1.4%) 4 16 79 201
Breast 50 M 49.02 10 05/16/2026 BB A: 48.79 (+0.23s | 0.5%) 8 42 217 570
Breast 100 M 1:45.72 Analysis 10 06/12/2026 A AA: 1:43.29 (+2.43s | 2.3%) 6 39 192 460
Fly 50 M 40.90 10 07/30/2026 A AA: 39.49 (+1.41s | 3.4%) 9 46 228 602
Fly 100 M 1:35.89 Analysis 10 07/17/2026 A AA: 1:32.19 (+3.70s | 3.9%) 5 34 160 400
IM 200 M 3:08.36 Analysis 10 05/16/2026 AA AAA: 3:04.19 (+4.17s | 2.2%) 3 21 109 246

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.