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John Zheng

Age: 15 years old
Age Category: 15-16
Team: Rose Bowl Aquatics | Southern California Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Rose Bowl Aquatics Southern California Swimming Western Zone USA
Free 50 Y 22.23 15 01/03/2026 AA AAA: 22.19 (+0.04s | 0.2%) 3 26 140 470
Free 100 Y 49.31 Analysis 15 11/06/2025 AA AAA: 48.79 (+0.52s | 1.1%) 6 53 250 826
50 Free
23.45
23.45
100 Free
25.86
49.31
100 Free
49.31
Free 200 Y 2:00.62 Analysis 15 03/16/2023 BB A: 1:56.59 (+4.03s | 3.3%) 22 266 1,000+ 1,000+
50 Free
28.08
28.08
100 Free
30.80
58.88
100 Free
58.88
150 Free
31.21
1:30.09
200 Free
30.53
2:00.62
100 Free
1:01.74
Back 50 Y 25.01 15 03/12/2026 AA AAA: 24.99 (+0.02s | 0.1%) 3 19 97 259
Back 100 Y 53.30 Analysis 15 12/12/2025 AA AAA: 53.09 (+0.21s | 0.4%) 3 15 77 308
50 Back
25.94
25.94
100 Back
27.36
53.30
100 Back
53.30
Back 200 Y 1:57.74 Analysis 15 01/03/2026 AA AAA: 1:55.99 (+1.75s | 1.5%) 3 26 106 370
50 Back
26.98
26.98
100 Back
29.23
56.21
100 Back
56.21
150 Back
30.72
1:26.93
200 Back
30.81
1:57.74
100 Back
1:01.53
Breast 50 Y 26.75 15 03/12/2026 AAAA 2 6 17 39
Breast 100 Y 58.25 Analysis 15 03/12/2026 AAA AAAA: 57.69 (+0.56s | 1.0%) 5 13 48 110
50 Breast
27.45
27.45
100 Breast
30.80
58.25
100 Breast
58.25
Breast 200 Y 2:09.14 Analysis 15 03/12/2026 AAA AAAA: 2:05.29 (+3.85s | 3.0%) 5 19 79 179
50 Breast
29.27
29.27
100 Breast
32.79
1:02.06
100 Breast
1:02.06
150 Breast
33.31
1:35.37
200 Breast
33.77
2:09.14
100 Breast
1:07.08
Fly 100 Y 54.50 Analysis 15 01/03/2026 AA AAA: 52.79 (+1.71s | 3.1%) 5 65 271 813
50 Fly
24.74
24.74
100 Fly
29.76
54.50
100 Fly
54.50
IM 200 Y 1:55.38 Analysis 15 03/12/2026 AAA AAAA: 1:53.19 (+2.19s | 1.9%) 2 14 55 165
50 Fly
24.75
24.75
100 Back
30.22
54.97
100 IM
54.97
150 Breast
32.13
1:27.10
200 Free
28.28
1:55.38
100 IM
1:00.41

Long course distance

Event Time Age Date Standard Next Standard Rose Bowl Aquatics Southern California Swimming Western Zone USA
Free 50 M 25.86 15 06/11/2026 AAA AAAA: 24.69 (+1.17s | 4.5%) 8 81 252 718
Free 100 M 56.08 Analysis 15 07/23/2025 AAA AAAA: 53.79 (+2.29s | 4.1%) 6 64 197 570
50 Free
26.87
26.87
100 Free
29.21
56.08
100 Free
56.08
Free 200 M 2:09.93 Analysis 15 06/11/2026 A AA: 2:08.69 (+1.24s | 1.0%) 20 157 552 1,000+
50 Free
29.49
29.49
100 Free
33.21
1:02.70
100 Free
1:02.70
150 Free
34.50
1:37.20
200 Free
32.73
2:09.93
100 Free
1:07.23
Free 400 M 4:37.89 Analysis 15 07/23/2025 A AA: 4:34.39 (+3.50s | 1.3%) 16 137 464 1,000+
50 Free
30.08
30.08
100 Free
35.06
1:05.14
100 Free
1:05.14
150 Free
35.56
1:40.70
200 Free
36.31
2:17.01
100 Free
1:11.87
250 Free
36.23
2:53.24
300 Free
35.93
3:29.17
100 Free
1:12.16
350 Free
35.72
4:04.89
400 Free
33.00
4:37.89
100 Free
1:08.72
Back 50 M 29.30 15 05/22/2026 AAA AAAA: 28.39 (+0.91s | 3.1%) 4 32 104 300
Back 100 M 1:02.57 Analysis 15 07/23/2025 AA AAA: 1:02.39 (+0.18s | 0.3%) 3 34 95 292
50 Back
30.88
30.88
100 Back
31.69
1:02.57
100 Back
1:02.57
Back 200 M 2:15.58 Analysis 15 07/23/2025 AA AAA: 2:15.39 (+0.19s | 0.1%) 2 21 73 240
50 Back
31.65
31.65
100 Back
33.74
1:05.39
100 Back
1:05.39
150 Back
35.36
1:40.75
200 Back
34.83
2:15.58
100 Back
1:10.19
Breast 50 M 31.54 15 06/11/2026 AAA AAAA: 31.29 (+0.25s | 0.8%) 7 22 67 173
Breast 100 M 1:07.44 Analysis 15 07/23/2025 AAA AAAA: 1:07.09 (+0.35s | 0.5%) 6 14 35 75
50 Breast
30.94
30.94
100 Breast
36.50
1:07.44
100 Breast
1:07.44
Breast 200 M 2:30.05 Analysis 15 07/23/2025 AAA AAAA: 2:25.89 (+4.16s | 2.8%) 5 25 70 154
50 Breast
34.68
34.68
100 Breast
38.65
1:13.33
100 Breast
1:13.33
150 Breast
39.11
1:52.44
200 Breast
37.61
2:30.05
100 Breast
1:16.72
Fly 50 M 27.74 15 06/11/2026 AAA AAAA: 26.79 (+0.95s | 3.4%) 4 50 172 507
IM 200 M 2:17.88 Analysis 15 06/18/2026 AAA AAAA: 2:12.09 (+5.79s | 4.2%) 6 51 145 414
50 Fly
29.09
29.09
100 Back
36.32
1:05.41
100 IM
1:05.41
150 Breast
39.60
1:45.01
200 Free
32.87
2:17.88
100 IM
1:12.47
IM 400 M 5:02.90 Analysis 15 06/11/2026 AA AAA: 4:54.39 (+8.51s | 2.8%) 8 66 208 590
50 Fly
31.52
31.52
100 Fly
37.74
1:09.26
100 Fly
1:09.26
150 Back
39.64
1:48.90
200 Back
38.51
2:27.41
100 Back
1:18.15
300 Breast
1:24.40
3:51.81
100 Breast
1:24.40
350 Free
36.29
4:28.10
400 Free
34.80
5:02.90
100 Free
1:11.09

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