Justin Zhou

Age: 12 years old
Age Category: 11-12
Team: Life Time Michigan Swim Team | Michigan Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Life Time Michigan Swim Team Michigan Swimming Central Zone USA
Free 50 Y 33.83 12 12/20/2025 B: 32.79 (+1.04s | 3.1%) 6 331 779 1,000+
Free 100 Y 1:16.07 12 09/20/2025 B: 1:11.49 (+4.58s | 6.0%) 7 317 744 1,000+
50 Free
36.71
36.71
100 Free
39.36
1:16.07
100 Free
1:16.07
Free 200 Y 2:38.12 12 02/14/2026 B: 2:35.99 (+2.13s | 1.3%) 3 192 454 1,000+
50 Free
36.04
36.04
100 Free
41.91
1:17.95
100 Free
1:17.95
150 Free
40.81
1:58.76
200 Free
39.36
2:38.12
100 Free
1:20.17
Free 500 Y 7:11.78 12 01/10/2026 B: 6:59.89 (+11.89s | 2.8%) 2 125 367 1,000+
Back 50 Y 41.16 12 10/04/2025 B: 38.49 (+2.67s | 6.5%) 8 297 734 1,000+
Back 100 Y 1:23.86 12 02/14/2026 B: 1:22.19 (+1.67s | 2.0%) 4 194 481 1,000+
50 Back
40.40
40.40
100 Back
43.46
1:23.86
100 Back
1:23.86
Back 200 Y 3:10.91 12 10/04/2025 B: 2:52.89 (+18.02s | 9.4%) 4 99 271 1,000+
50 Back
2:22.77
2:22.77
100 Back
48.03
3:10.80
100 Back
3:10.80
150 Back
1:09.85
4:20.65
200 Back
-9.-74
3:10.91
100 Back
0.11
Breast 50 Y 44.19 12 09/20/2025 B: 43.49 (+0.70s | 1.6%) 8 208 485 1,000+
Breast 100 Y 1:33.88 12 12/20/2025 B: 1:32.59 (+1.29s | 1.4%) 3 146 374 1,000+
50 Breast
43.62
43.62
100 Breast
50.26
1:33.88
100 Breast
1:33.88
Fly 50 Y 45.76 12 11/15/2025 B: 37.09 (+8.67s | 18.9%) 9 316 811 1,000+
Fly 100 Y 1:28.28 12 02/14/2026 B: 1:22.89 (+5.39s | 6.1%) 2 122 337 1,000+
50 Fly
40.57
40.57
100 Fly
47.71
1:28.28
100 Fly
1:28.28
IM 100 Y 1:25.98 12 02/14/2026 B: 1:21.89 (+4.09s | 4.8%) 6 225 539 1,000+
50 IM
43.11
43.11
100 IM
42.87
1:25.98
100 IM
1:25.98
IM 200 Y 3:15.65 12 10/04/2025 B: 2:59.29 (+16.36s | 8.4%) 5 173 491 1,000+
50 Fly
48.93
48.93
100 Back
50.06
1:38.99
100 IM
1:38.99
150 Breast
53.83
2:32.82
200 Free
42.83
3:15.65
100 IM
1:36.66

Long course distance

Event Time Age Date Standard Next Standard Life Time Michigan Swim Team Michigan Swimming Central Zone USA

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