Jacob Chang

Age: 12 years old
Age Category: 11-12
Team: Rockville Montgomery Swim Club | Potomac Valley Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Rockville Montgomery Swim Club Potomac Valley Swimming Eastern Zone USA
Free 50 Y 26.91 12 12/11/2025 AA AAA: 25.79 (+1.12s | 4.2%) 9 49 185 1,000+
Free 100 Y 58.93 12 12/11/2025 A AA: 58.69 (+0.24s | 0.4%) 10 43 178 908
50 Free
27.92
27.92
100 Free
31.01
58.93
100 Free
58.93
Free 200 Y 2:08.18 12 12/11/2025 AA AAA: 2:02.59 (+5.59s | 4.4%) 5 31 151 597
50 Free
29.70
29.70
100 Free
33.22
1:02.92
100 Free
1:02.92
150 Free
33.01
1:35.93
200 Free
32.25
2:08.18
100 Free
1:05.26
Free 500 Y 5:44.83 12 12/11/2025 AA AAA: 5:29.99 (+14.84s | 4.3%) 13 42 158 554
50 Free
29.79
29.79
100 Free
34.22
1:04.01
100 Free
1:04.01
150 Free
34.83
1:38.84
200 Free
35.47
2:14.31
100 Free
1:10.30
250 Free
35.74
2:50.05
300 Free
35.13
3:25.18
100 Free
1:10.87
350 Free
35.18
4:00.36
400 Free
36.14
4:36.50
100 Free
1:11.32
450 Free
34.47
5:10.97
500 Free
33.86
5:44.83
100 Free
1:08.33
Back 100 Y 1:10.31 12 11/14/2025 BB A: 1:09.29 (+1.02s | 1.5%) 20 93 347 1,000+
50 Back
34.24
34.24
100 Back
36.07
1:10.31
100 Back
1:10.31
Breast 50 Y 38.40 12 11/14/2025 BB A: 36.69 (+1.71s | 4.5%) 38 151 507 1,000+
Breast 100 Y 1:21.47 12 01/23/2026 BB A: 1:18.39 (+3.08s | 3.8%) 26 110 374 1,000+
50 Breast
39.33
39.33
100 Breast
42.14
1:21.47
100 Breast
1:21.47
Fly 50 Y 31.09 12 12/11/2025 A AA: 29.69 (+1.40s | 4.5%) 22 94 328 1,000+
Fly 100 Y 1:11.74 12 11/14/2025 BB A: 1:09.29 (+2.45s | 3.4%) 27 101 356 1,000+
50 Fly
33.52
33.52
100 Fly
38.22
1:11.74
100 Fly
1:11.74
Fly 200 Y 2:44.72 12 12/11/2025 B BB: 2:43.99 (+0.73s | 0.4%) 15 51 183 522
50 Fly
34.87
34.87
100 Fly
43.06
1:17.93
100 Fly
1:17.93
150 Fly
43.54
2:01.47
200 Fly
43.25
2:44.72
100 Fly
1:26.79
IM 100 Y 1:12.73 12 10/17/2025 BB A: 1:09.99 (+2.74s | 3.8%) 28 135 480 1,000+
50 IM
33.16
33.16
100 IM
39.57
1:12.73
100 IM
1:12.73
IM 200 Y 2:30.14 12 01/23/2026 A AA: 2:25.59 (+4.55s | 3.0%) 17 68 279 935
50 Fly
32.46
32.46
100 Back
38.77
1:11.23
100 IM
1:11.23
150 Breast
47.59
1:58.82
200 Free
31.32
2:30.14
100 IM
1:18.91
IM 400 Y 5:26.12 12 11/14/2025 BB A: 5:23.19 (+2.93s | 0.9%) 7 24 164 515
50 Fly
36.82
36.82
100 Fly
43.51
1:20.33
100 Fly
1:20.33
150 Back
40.50
2:00.83
200 Back
40.34
2:41.17
100 Back
1:20.84
250 Breast
48.40
3:29.57
300 Breast
46.89
4:16.46
100 Breast
1:35.29
350 Free
35.62
4:52.08
400 Free
34.04
5:26.12
100 Free
1:09.66

Long course distance

Event Time Age Date Standard Next Standard Rockville Montgomery Swim Club Potomac Valley Swimming Eastern Zone USA

Above are the fastest times that Jacob Chang 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.