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Jacob Chen

Age: 9 years old
Age Category: 10 & under
Team: Rancho San Dieguito | San Diego-Imperial Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Rancho San Dieguito San Diego-Imperial Swimming Western Zone USA
Free 25 Y 18.51 9 01/25/2025 2 28 534 1,000+
Free 50 Y 35.46 9 03/28/2026 B BB: 34.59 (+0.87s | 2.5%) 3 39 827 1,000+
Free 100 Y 1:16.37 Analysis 9 03/28/2026 BB A: 1:09.79 (+6.58s | 8.6%) 3 27 529 1,000+
50 Free
36.46
36.46
100 Free
39.91
1:16.37
100 Free
1:16.37
Free 200 Y 2:50.89 Analysis 9 02/07/2026 B BB: 2:50.59 (+0.30s | 0.2%) 3 27 442 1,000+
50 Free
39.37
39.37
100 Free
45.46
1:24.83
100 Free
1:24.83
150 Free
43.80
2:08.63
200 Free
42.26
2:50.89
100 Free
1:26.06
Free 500 Y 8:01.26 Analysis 9 10/25/2025 B BB: 7:33.79 (+27.47s | 5.7%) 3 10 259 1,000+
Back 25 Y 24.66 9 11/09/2024 2 50 1,000+ 1,000+
Back 50 Y 40.95 9 02/07/2026 BB A: 37.59 (+3.36s | 8.2%) 2 27 535 1,000+
Back 100 Y 1:30.35 Analysis 9 03/28/2026 B BB: 1:30.09 (+0.26s | 0.3%) 3 23 507 1,000+
50 Back
44.89
44.89
100 Back
45.46
1:30.35
100 Back
1:30.35
Breast 25 Y 28.99 9 01/25/2025 1 36 988 1,000+
Breast 50 Y 50.65 9 12/19/2025 B BB: 47.69 (+2.96s | 5.8%) 5 38 912 1,000+
Breast 100 Y 1:49.73 Analysis 9 03/28/2026 B BB: 1:42.29 (+7.44s | 6.8%) 5 33 785 1,000+
50 Breast
52.86
52.86
100 Breast
56.87
1:49.73
100 Breast
1:49.73
Fly 25 Y 21.82 9 01/25/2025 1 16 348 1,000+
Fly 50 Y 43.36 9 12/19/2025 B BB: 41.29 (+2.07s | 4.8%) 3 38 655 1,000+
Fly 100 Y 1:37.67 Analysis 9 03/07/2026 BB A: 1:24.39 (+13.28s | 13.6%) 3 19 373 1,000+
IM 100 Y 1:28.16 Analysis 9 03/28/2026 BB A: 1:19.69 (+8.47s | 9.6%) 4 19 447 1,000+
50 IM
39.21
39.21
100 IM
48.95
1:28.16
100 IM
1:28.16
IM 200 Y 3:13.14 Analysis 9 03/07/2026 BB A: 2:53.49 (+19.65s | 10.2%) 3 24 375 1,000+

Long course distance

Event Time Age Date Standard Next Standard Rancho San Dieguito San Diego-Imperial Swimming Western Zone USA
Free 50 M 43.98 9 04/19/2025 B: 43.89 (+0.09s | 0.2%) 6 59 822 1,000+
Free 100 M 1:28.18 Analysis 9 05/02/2026 BB A: 1:20.19 (+7.99s | 9.1%) 3 26 345 911
Free 200 M 3:10.78 Analysis 9 05/02/2026 BB A: 2:53.39 (+17.39s | 9.1%) 3 21 252 673
Back 50 M 48.60 9 07/19/2025 BB A: 43.09 (+5.51s | 11.3%) 4 31 503 1,000+
Back 100 M 1:42.41 Analysis 9 05/02/2026 BB A: 1:32.29 (+10.12s | 9.9%) 3 24 328 859
Breast 50 M 1:03.90 9 04/19/2025 B: 1:00.89 (+3.01s | 4.7%) 5 57 984 1,000+
Breast 100 M 2:06.50 Analysis 9 05/02/2026 B BB: 1:59.19 (+7.31s | 5.8%) 5 38 559 1,000+
Fly 50 M 48.32 9 05/02/2026 B BB: 46.39 (+1.93s | 4.0%) 4 36 406 988
IM 200 M 3:36.96 Analysis 9 05/02/2026 BB A: 3:17.89 (+19.07s | 8.8%) 1 20 245 600

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