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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 26.06 12 03/12/2026 AA AAA: 25.79 (+0.27s | 1.0%) 3 29 109 969
Free 100 Y 57.51 Analysis 12 03/12/2026 AA AAA: 56.19 (+1.32s | 2.3%) 4 27 116 884
50 Free
28.02
28.02
100 Free
29.49
57.51
100 Free
57.51
Free 200 Y 2:05.61 Analysis 12 02/20/2026 AA AAA: 2:02.59 (+3.02s | 2.4%) 7 20 103 544
50 Free
27.89
27.89
100 Free
31.86
59.75
100 Free
59.75
150 Free
33.24
1:32.99
200 Free
32.62
2:05.61
100 Free
1:05.86
Free 500 Y 5:38.19 Analysis 12 03/12/2026 AA AAA: 5:29.99 (+8.20s | 2.4%) 8 23 111 446
50 Free
29.77
29.77
100 Free
33.03
1:02.80
100 Free
1:02.80
150 Free
34.52
1:37.32
200 Free
33.78
2:11.10
100 Free
1:08.30
250 Free
34.41
2:45.51
300 Free
34.61
3:20.12
100 Free
1:09.02
350 Free
34.67
3:54.79
400 Free
35.19
4:29.98
100 Free
1:09.86
450 Free
35.07
5:05.05
500 Free
33.14
5:38.19
100 Free
1:08.21
Free 1000 Y 11:52.39 Analysis 12 02/08/2026 AA AAA: 11:34.19 (+18.20s | 2.6%) 9 16 49 169
50 Free
31.16
31.16
100 Free
34.89
1:06.05
100 Free
1:06.05
150 Free
35.90
1:41.95
200 Free
36.31
2:18.26
100 Free
1:12.21
250 Free
36.29
2:54.55
300 Free
36.38
3:30.93
100 Free
1:12.67
350 Free
35.95
4:06.88
400 Free
36.79
4:43.67
100 Free
1:12.74
450 Free
36.20
5:19.87
500 Free
36.66
5:56.53
100 Free
1:12.86
550 Free
35.65
6:32.18
600 Free
35.78
7:07.97
100 Free
1:11.44
650 Free
37.03
7:45.00
700 Free
36.02
8:21.02
100 Free
1:13.05
750 Free
36.56
8:57.58
800 Free
34.70
9:32.28
100 Free
1:11.26
850 Free
36.98
10:09.26
900 Free
35.37
10:44.63
100 Free
1:12.35
950 Free
35.04
11:19.67
1000 Free
32.72
11:52.39
100 Free
1:07.76
Back 100 Y 1:10.31 Analysis 12 11/14/2025 BB A: 1:09.29 (+1.02s | 1.5%) 15 91 365 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%) 37 159 525 1,000+
Breast 100 Y 1:21.47 Analysis 12 01/23/2026 BB A: 1:18.39 (+3.08s | 3.8%) 28 114 384 1,000+
50 Breast
39.33
39.33
100 Breast
42.14
1:21.47
100 Breast
1:21.47
Fly 50 Y 30.73 12 03/12/2026 A AA: 29.69 (+1.04s | 3.4%) 18 91 309 1,000+
Fly 100 Y 1:11.74 Analysis 12 11/14/2025 BB A: 1:09.29 (+2.45s | 3.4%) 29 105 376 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 Analysis 12 12/11/2025 B BB: 2:43.99 (+0.73s | 0.4%) 14 50 195 547
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 Analysis 12 10/17/2025 BB A: 1:09.99 (+2.74s | 3.8%) 35 157 503 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 Analysis 12 01/23/2026 A AA: 2:25.59 (+4.55s | 3.0%) 13 63 287 1,000+
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 Analysis 12 11/14/2025 BB A: 5:23.19 (+2.93s | 0.9%) 8 27 185 566
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.