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Zhen Chang

Age: 17 years old
Age Category: 17-18
Team: Irvine Novaquatics | Southern California Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Irvine Novaquatics Southern California Swimming Western Zone USA
Free 50 Y 21.57 17 02/26/2026 AAA AAAA: 20.69 (+0.88s | 4.1%) 11 38 203 702
Free 100 Y 46.10 Analysis 17 02/26/2026 AAA AAAA: 45.29 (+0.81s | 1.8%) 7 18 101 342
50 Free
22.25
22.25
100 Free
23.85
46.10
100 Free
46.10
Free 200 Y 1:39.34 Analysis 17 02/26/2026 AAAA 5 11 49 157
50 Free
23.21
23.21
100 Free
25.24
48.45
100 Free
48.45
150 Free
25.32
1:13.77
200 Free
25.57
1:39.34
100 Free
50.89
Free 500 Y 4:41.71 Analysis 17 02/26/2026 AAA AAAA: 4:32.39 (+9.32s | 3.3%) 9 48 166 506
50 Free
24.41
24.41
100 Free
26.90
51.31
100 Free
51.31
150 Free
27.72
1:19.03
200 Free
28.40
1:47.43
100 Free
56.12
250 Free
28.87
2:16.30
300 Free
29.34
2:45.65
100 Free
58.22
350 Free
29.81
3:15.46
400 Free
29.84
3:45.30
100 Free
59.65
450 Free
28.94
4:14.24
500 Free
27.47
4:41.71
100 Free
56.41
Free 1000 Y 10:04.77 Analysis 17 01/17/2026 AA AAA: 9:57.29 (+7.48s | 1.2%) 11 85 225 610
50 Free
27.32
27.32
100 Free
29.90
57.22
100 Free
57.22
150 Free
30.30
1:27.52
200 Free
30.74
1:58.26
100 Free
1:01.04
250 Free
30.57
2:28.83
300 Free
31.05
2:59.88
100 Free
1:01.62
350 Free
30.79
3:30.67
400 Free
30.69
4:01.36
100 Free
1:01.48
450 Free
30.63
4:31.99
500 Free
30.03
5:02.02
100 Free
1:00.66
550 Free
29.55
5:31.58
600 Free
30.41
6:01.99
100 Free
59.96
650 Free
30.34
6:32.33
700 Free
30.76
7:03.09
100 Free
1:01.10
750 Free
30.71
7:33.80
800 Free
30.40
8:04.20
100 Free
1:01.11
850 Free
30.54
8:34.74
900 Free
30.58
9:05.32
100 Free
1:01.12
950 Free
30.63
9:35.95
1000 Free
28.82
10:04.77
100 Free
59.45
Back 50 Y 27.28 17 03/14/2024 BB A: 26.39 (+0.89s | 3.3%) 18 134 615 1,000+
Back 100 Y 55.87 Analysis 17 01/17/2025 A AA: 53.59 (+2.28s | 4.1%) 19 119 523 1,000+
50 Back
27.01
27.01
100 Back
28.86
55.87
100 Back
55.87
Back 200 Y 2:02.18 Analysis 17 01/17/2025 A AA: 1:58.19 (+3.99s | 3.3%) 14 92 395 1,000+
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 Analysis 17 03/10/2022 B BB: 1:09.39 (+0.79s | 1.1%) 35 286 1,000+ 1,000+
50 Breast
33.20
33.20
100 Breast
36.98
1:10.18
100 Breast
1:10.18
Breast 200 Y 2:13.74 Analysis 17 12/13/2024 A AA: 2:13.29 (+0.45s | 0.3%) 17 85 321 892
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 Analysis 17 12/13/2024 A AA: 53.69 (+1.43s | 2.6%) 27 192 777 1,000+
50 Fly
25.48
25.48
100 Fly
29.64
55.12
100 Fly
55.12
Fly 200 Y 2:03.67 Analysis 17 01/17/2026 A AA: 2:00.29 (+3.38s | 2.7%) 17 120 420 1,000+
50 Fly
27.43
27.43
100 Fly
31.97
59.40
100 Fly
59.40
150 Fly
31.94
1:31.34
200 Fly
32.33
2:03.67
100 Fly
1:04.27
IM 200 Y 1:55.95 Analysis 17 02/26/2026 AA AAA: 1:55.89 (+0.06s | 0.1%) 11 43 196 607
50 Fly
24.94
24.94
100 Back
30.39
55.33
100 IM
55.33
150 Breast
34.98
1:30.31
200 Free
25.64
1:55.95
100 IM
1:00.62
IM 400 Y 4:19.82 Analysis 17 03/14/2024 AA AAA: 4:09.39 (+10.43s | 4.0%) 16 98 350 1,000+
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 Irvine Novaquatics Southern California Swimming Western Zone USA
Free 50 M 23.22 17 11/17/2023 AAAA 1 5 10 46
Free 100 M 49.85 Analysis 17 11/17/2023 AAAA 5 12 18 38
50 Free
24.07
24.07
100 Free
25.78
49.85
100 Free
49.85
Free 200 M 1:47.80 Analysis 17 11/17/2023 AAAA 2 8 12 32
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 Analysis 17 07/18/2024 AAA AAAA: 4:04.89 (+10.98s | 4.3%) 12 52 145 369
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 Analysis 17 06/16/2023 A AA: 9:16.89 (+4.19s | 0.7%) 14 110 268 632
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 50 M 35.76 17 05/28/2021 B BB: 34.19 (+1.57s | 4.4%) 24 215 897 1,000+
Back 100 M 1:03.19 Analysis 17 06/18/2026 AA AAA: 1:00.89 (+2.30s | 3.6%) 15 73 241 694
50 Back
30.79
30.79
100 Back
32.40
1:03.19
100 Back
1:03.19
Back 200 M 2:20.80 Analysis 17 07/25/2024 A AA: 2:18.99 (+1.81s | 1.3%) 16 81 272 742
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 50 M 41.76 17 05/28/2021 B: 40.29 (+1.47s | 3.5%) 21 153 873 1,000+
Breast 100 M 1:25.03 Analysis 17 07/21/2022 B BB: 1:20.59 (+4.44s | 5.2%) 36 287 1,000+ 1,000+
Fly 50 M 27.13 17 06/18/2026 AAA AAAA: 25.99 (+1.14s | 4.2%) 12 60 216 614
Fly 100 M 1:03.91 Analysis 17 07/25/2024 A AA: 1:01.29 (+2.62s | 4.1%) 34 228 696 1,000+
50 Fly
29.72
29.72
100 Fly
34.19
1:03.91
100 Fly
1:03.91
IM 200 M 2:17.14 Analysis 17 04/10/2025 AA AAA: 2:15.09 (+2.05s | 1.5%) 20 92 259 672
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 Analysis 17 06/16/2023 A AA: 5:01.89 (+5.85s | 1.9%) 23 133 377 919
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.