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William Zhang

Age: 12 years old
Age Category: 11-12
Team: South Bay Aquatics | San Diego-Imperial Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard South Bay Aquatics San Diego-Imperial Swimming Western Zone USA
Free 50 Y 30.47 12 03/06/2026 BB A: 28.09 (+2.38s | 7.8%) 6 62 1,000+ 1,000+
Free 100 Y 1:08.85 Analysis 12 01/31/2026 B BB: 1:06.39 (+2.46s | 3.6%) 8 64 1,000+ 1,000+
50 Free
32.84
32.84
100 Free
36.01
1:08.85
100 Free
1:08.85
Free 200 Y 2:29.24 Analysis 12 12/05/2025 B BB: 2:24.89 (+4.35s | 2.9%) 7 50 828 1,000+
50 Free
33.08
33.08
100 Free
38.86
1:11.94
100 Free
1:11.94
150 Free
39.05
1:50.99
200 Free
38.25
2:29.24
100 Free
1:17.30
Free 500 Y 6:40.02 Analysis 12 01/31/2026 B BB: 6:29.99 (+10.03s | 2.5%) 8 42 601 1,000+
50 Free
35.67
35.67
100 Free
41.20
1:16.87
100 Free
1:16.87
150 Free
41.65
1:58.52
200 Free
40.63
2:39.15
100 Free
1:22.28
250 Free
41.24
3:20.39
300 Free
40.78
4:01.17
100 Free
1:22.02
350 Free
40.12
4:41.29
400 Free
40.68
5:21.97
100 Free
1:20.80
450 Free
39.55
6:01.52
500 Free
38.50
6:40.02
100 Free
1:18.05
Back 50 Y 37.11 12 12/05/2025 B BB: 35.59 (+1.52s | 4.1%) 5 60 1,000+ 1,000+
Back 100 Y 1:23.62 Analysis 12 02/07/2025 B: 1:22.19 (+1.43s | 1.7%) 6 63 1,000+ 1,000+
50 Back
40.38
40.38
100 Back
43.24
1:23.62
100 Back
1:23.62
Back 200 Y 2:48.63 Analysis 12 01/31/2026 B BB: 2:40.49 (+8.14s | 4.8%) 4 32 389 1,000+
50 Back
41.18
41.18
100 Back
43.26
1:24.44
100 Back
1:24.44
150 Back
43.10
2:07.54
200 Back
41.09
2:48.63
100 Back
1:24.19
Breast 50 Y 41.84 12 01/31/2026 B BB: 40.09 (+1.75s | 4.2%) 8 51 975 1,000+
Breast 100 Y 1:48.49 Analysis 12 12/06/2024 B: 1:32.59 (+15.90s | 14.7%) 10 120 1,000+ 1,000+
50 Breast
52.09
52.09
100 Breast
56.40
1:48.49
100 Breast
1:48.49
Fly 50 Y 32.94 12 03/06/2026 BB A: 31.19 (+1.75s | 5.3%) 2 31 515 1,000+
Fly 100 Y 1:11.57 Analysis 12 01/17/2026 BB A: 1:09.29 (+2.28s | 3.2%) 2 15 345 1,000+
50 Fly
33.40
33.40
100 Fly
38.17
1:11.57
100 Fly
1:11.57
Fly 200 Y 2:39.76 Analysis 12 01/17/2026 BB A: 2:31.39 (+8.37s | 5.2%) 2 6 93 367
50 Fly
36.15
36.15
100 Fly
41.51
1:17.66
100 Fly
1:17.66
150 Fly
40.84
1:58.50
200 Fly
41.26
2:39.76
100 Fly
1:22.10
IM 100 Y 1:16.87 Analysis 12 03/06/2026 B BB: 1:15.89 (+0.98s | 1.3%) 6 43 724 1,000+
50 IM
36.23
36.23
100 IM
40.64
1:16.87
100 IM
1:16.87
IM 200 Y 2:42.70 Analysis 12 03/06/2026 BB A: 2:32.29 (+10.41s | 6.4%) 6 32 576 1,000+
50 Fly
34.63
34.63
100 Back
42.76
1:17.39
100 IM
1:17.39
150 Breast
48.91
2:06.30
200 Free
36.40
2:42.70
100 IM
1:25.31
IM 400 Y 6:10.23 Analysis 12 05/17/2025 B BB: 5:50.09 (+20.14s | 5.4%) 6 20 246 856
50 Fly
41.13
41.13
100 Fly
48.08
1:29.21
100 Fly
1:29.21
150 Back
47.09
2:16.30
200 Back
45.43
3:01.74
100 Back
1:32.53
250 Breast
54.56
3:56.30
300 Breast
55.15
4:51.45
100 Breast
1:49.71
350 Free
40.46
5:31.91
400 Free
38.32
6:10.23
100 Free
1:18.78

Long course distance

Event Time Age Date Standard Next Standard South Bay Aquatics San Diego-Imperial Swimming Western Zone USA
Free 50 M 35.63 12 04/25/2025 B BB: 34.79 (+0.84s | 2.4%) 8 71 907 1,000+
Free 100 M 1:21.30 Analysis 12 04/25/2025 B BB: 1:16.19 (+5.11s | 6.3%) 6 64 947 1,000+
50 Free
38.50
38.50
100 Free
42.80
1:21.30
100 Free
1:21.30
Free 200 M 2:50.66 Analysis 12 04/25/2025 B BB: 2:46.39 (+4.27s | 2.5%) 8 47 597 1,000+
50 Free
38.25
38.25
100 Free
44.65
1:22.90
100 Free
1:22.90
150 Free
44.40
2:07.30
200 Free
43.36
2:50.66
100 Free
1:27.76
Back 200 M 3:03.94 Analysis 12 05/23/2026 BB A: 2:53.99 (+9.95s | 5.4%) 5 18 190 479
Fly 50 M 36.58 12 05/23/2026 BB A: 35.29 (+1.29s | 3.5%) 2 25 334 883
Fly 100 M 1:20.56 Analysis 12 05/23/2026 BB A: 1:19.49 (+1.07s | 1.3%) 2 12 168 457
Fly 200 M 3:01.93 Analysis 12 05/23/2026 BB A: 2:55.59 (+6.34s | 3.5%) 1 4 42 131
IM 200 M 3:19.06 Analysis 12 04/25/2025 B BB: 3:08.99 (+10.07s | 5.1%) 7 48 674 1,000+
50 Fly
41.86
41.86
100 Back
52.54
1:34.40
100 IM
1:34.40
150 Breast
1:02.69
2:37.09
200 Free
41.97
3:19.06
100 IM
1:44.66

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