Zhen Chang

Age: 16 years old
Age Category: 15-16
Team: Irvine Novaquatics | Southern California Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Southern California Swimming Irvine Novaquatics
Free 50 Y 21.92 16 11/06/2025 AAA AAAA: 21.19 (+0.73s | 3.3%) 12 6
Free 100 Y 46.17 16 11/06/2025 AAAA 3 2
50 Free
22.41
22.41
100 Free
23.76
46.17
100 Free
46.17
Free 200 Y 1:41.94 16 11/06/2025 AAAA 6 3
50 Free
24.14
24.14
100 Free
26.09
50.23
100 Free
50.23
150 Free
25.91
1:16.14
200 Free
25.79
1:41.94
100 Free
51.71
Free 500 Y 4:42.95 15 01/17/2025 AAA AAAA: 4:36.29 (+6.66s | 2.4%) 23 5
50 Free
25.54
25.54
100 Free
27.74
53.28
100 Free
53.28
150 Free
27.86
1:21.14
200 Free
28.20
1:49.34
100 Free
56.06
250 Free
28.56
2:17.90
300 Free
28.86
2:46.76
100 Free
57.42
350 Free
29.12
3:15.88
400 Free
29.37
3:45.25
100 Free
58.49
450 Free
29.47
4:14.72
500 Free
28.23
4:42.95
100 Free
57.70
Back 100 Y 55.87 15 01/17/2025 A AA: 55.49 (+0.38s | 0.7%) 48 6
50 Back
27.01
27.01
100 Back
28.86
55.87
100 Back
55.87
Back 200 Y 2:02.18 15 01/17/2025 A AA: 2:01.29 (+0.89s | 0.7%) 53 6
50 Back
28.99
28.99
100 Back
30.88
59.87
100 Back
59.87
150 Back
31.84
1:31.71
200 Back
30.47
2:02.18
100 Back
1:02.31
Breast 100 Y 1:10.18 12 03/10/2022 BB A: 1:05.89 (+4.29s | 6.1%) 196 33
50 Breast
33.20
33.20
100 Breast
36.98
1:10.18
100 Breast
1:10.18
Breast 200 Y 2:13.74 15 12/13/2024 AA AAA: 2:11.29 (+2.45s | 1.8%) 42 12
50 Breast
29.63
29.63
100 Breast
33.47
1:03.10
100 Breast
1:03.10
150 Breast
34.63
1:37.73
200 Breast
36.01
2:13.74
100 Breast
1:10.64
Fly 100 Y 55.12 15 12/13/2024 AA AAA: 52.79 (+2.33s | 4.2%) 79 14
50 Fly
25.48
25.48
100 Fly
29.64
55.12
100 Fly
55.12
IM 200 Y 1:58.13 15 01/17/2025 AAA AAAA: 1:53.19 (+4.94s | 4.2%) 32 8
50 Fly
25.70
25.70
100 Back
30.44
56.14
100 IM
56.14
150 Breast
35.22
1:31.36
200 Free
26.77
1:58.13
100 IM
1:01.99
IM 400 Y 4:19.82 14 03/14/2024 AA AAA: 4:13.19 (+6.63s | 2.6%) 59 9
50 Fly
26.54
26.54
100 Fly
30.54
57.08
100 Fly
57.08
150 Back
34.17
1:31.25
200 Back
33.49
2:04.74
100 Back
1:07.66
250 Breast
37.68
2:42.42
300 Breast
38.09
3:20.51
100 Breast
1:15.77
350 Free
30.28
3:50.79
400 Free
29.03
4:19.82
100 Free
59.31

Long course distance

Event Time Age Date Standard Next Standard Southern California Swimming Irvine Novaquatics
Free 50 M 23.22 14 11/17/2023 AAAA 1 1
Free 100 M 49.85 14 11/17/2023 AAAA 10 4
50 Free
24.07
24.07
100 Free
25.78
49.85
100 Free
49.85
Free 200 M 1:47.80 14 11/17/2023 AAAA 2 1
50 Free
24.43
24.43
100 Free
27.44
51.87
100 Free
51.87
150 Free
28.16
1:20.03
200 Free
27.77
1:47.80
100 Free
55.93
Free 400 M 4:15.87 15 07/18/2024 AAA AAAA: 4:10.59 (+5.28s | 2.1%) 23 5
50 Free
29.63
29.63
100 Free
31.30
1:00.93
100 Free
1:00.93
150 Free
32.20
1:33.13
200 Free
32.06
2:05.19
100 Free
1:04.26
250 Free
32.82
2:38.01
300 Free
32.88
3:10.89
100 Free
1:05.70
350 Free
33.40
3:44.29
400 Free
31.58
4:15.87
100 Free
1:04.98
Free 800 M 9:21.08 14 06/16/2023 AA AAA: 9:05.29 (+15.79s | 2.8%) 73 8
50 Free
31.51
31.51
100 Free
34.88
1:06.39
100 Free
1:06.39
150 Free
34.91
1:41.30
200 Free
35.77
2:17.07
100 Free
1:10.68
250 Free
35.49
2:52.56
300 Free
35.52
3:28.08
100 Free
1:11.01
350 Free
35.20
4:03.28
400 Free
35.63
4:38.91
100 Free
1:10.83
450 Free
35.63
5:14.54
500 Free
35.95
5:50.49
100 Free
1:11.58
550 Free
35.36
6:25.85
600 Free
35.85
7:01.70
100 Free
1:11.21
650 Free
35.42
7:37.12
700 Free
35.45
8:12.57
100 Free
1:10.87
750 Free
35.06
8:47.63
800 Free
33.45
9:21.08
100 Free
1:08.51
Back 100 M 1:03.20 16 07/11/2025 AA AAA: 1:02.39 (+0.81s | 1.3%) 36 6
Back 200 M 2:20.80 15 07/25/2024 AA AAA: 2:15.39 (+5.41s | 3.8%) 42 6
50 Back
32.52
32.52
100 Back
36.10
1:08.62
100 Back
1:08.62
150 Back
36.61
1:45.23
200 Back
35.57
2:20.80
100 Back
1:12.18
Breast 100 M 1:25.03 13 07/21/2022 B BB: 1:23.09 (+1.94s | 2.3%) 239 35
Fly 100 M 1:03.91 15 07/25/2024 A AA: 1:03.09 (+0.82s | 1.3%) 122 19
50 Fly
29.72
29.72
100 Fly
34.19
1:03.91
100 Fly
1:03.91
IM 200 M 2:17.14 16 04/10/2025 AAA AAAA: 2:12.09 (+5.05s | 3.7%) 37 10
50 Fly
29.19
29.19
100 Back
36.70
1:05.89
100 IM
1:05.89
150 Breast
41.17
1:47.06
200 Free
30.08
2:17.14
100 IM
1:11.25
IM 400 M 5:07.74 14 06/16/2023 AA AAA: 4:54.39 (+13.35s | 4.3%) 82 13
50 Fly
32.20
32.20
100 Fly
36.51
1:08.71
100 Fly
1:08.71
150 Back
41.59
1:50.30
200 Back
40.26
2:30.56
100 Back
1:21.85
250 Breast
43.81
3:14.37
300 Breast
44.52
3:58.89
100 Breast
1:28.33
350 Free
34.75
4:33.64
400 Free
34.10
5:07.74
100 Free
1:08.85

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