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Chengzhi YU

Age: 12 years old
Age Category: 11-12
Team: Shawmut Aquatic Club | New England Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Shawmut Aquatic Club New England Swimming Eastern Zone USA
Free 50 Y 33.40 12 11/15/2025 B: 32.79 (+0.61s | 1.8%) 11 375 1,000+ 1,000+
Free 100 Y 1:13.46 Analysis 12 10/11/2025 B: 1:11.49 (+1.97s | 2.7%) 8 279 1,000+ 1,000+
50 Free
35.67
35.67
100 Free
37.79
1:13.46
100 Free
1:13.46
Free 200 Y 2:40.17 Analysis 12 01/16/2026 B: 2:35.99 (+4.18s | 2.6%) 9 220 1,000+ 1,000+
50 Free
36.64
36.64
100 Free
42.21
1:18.85
100 Free
1:18.85
150 Free
43.05
2:01.90
200 Free
38.27
2:40.17
100 Free
1:21.32
Free 500 Y 7:14.96 Analysis 12 10/11/2025 B: 6:59.89 (+15.07s | 3.5%) 7 171 1,000+ 1,000+
50 Free
37.68
37.68
100 Free
42.12
1:19.80
100 Free
1:19.80
150 Free
42.79
2:02.59
200 Free
45.20
2:47.79
100 Free
1:27.99
250 Free
45.13
3:32.92
300 Free
44.76
4:17.68
100 Free
1:29.89
350 Free
46.60
5:04.28
400 Free
45.35
5:49.63
100 Free
1:31.95
450 Free
45.42
6:35.05
500 Free
39.91
7:14.96
100 Free
1:25.33
Back 50 Y 39.38 12 10/11/2025 B: 38.49 (+0.89s | 2.3%) 12 304 1,000+ 1,000+
Back 100 Y 1:19.90 Analysis 12 12/11/2025 B BB: 1:15.69 (+4.21s | 5.3%) 6 149 1,000+ 1,000+
50 Back
39.21
39.21
100 Back
40.69
1:19.90
100 Back
1:19.90
Back 200 Y 2:56.05 Analysis 12 12/11/2025 B: 2:52.89 (+3.16s | 1.8%) 6 115 636 1,000+
50 Back
41.44
41.44
100 Back
45.96
1:27.40
100 Back
1:27.40
150 Back
44.27
2:11.67
200 Back
44.38
2:56.05
100 Back
1:28.65
Breast 50 Y 44.00 12 12/11/2025 B: 43.49 (+0.51s | 1.2%) 6 213 1,000+ 1,000+
Breast 100 Y 1:35.50 Analysis 12 01/16/2026 B: 1:32.59 (+2.91s | 3.0%) 6 182 1,000+ 1,000+
50 Breast
46.61
46.61
100 Breast
48.89
1:35.50
100 Breast
1:35.50
Fly 50 Y 39.84 12 12/11/2025 B: 37.09 (+2.75s | 6.9%) 12 288 1,000+ 1,000+
Fly 100 Y 1:30.40 Analysis 12 12/11/2025 B: 1:22.89 (+7.51s | 8.3%) 10 163 1,000+ 1,000+
50 Fly
44.46
44.46
100 Fly
45.94
1:30.40
100 Fly
1:30.40
IM 100 Y 1:20.09 Analysis 12 01/16/2026 B BB: 1:15.89 (+4.20s | 5.2%) 5 145 1,000+ 1,000+
50 IM
38.12
38.12
100 IM
41.97
1:20.09
100 IM
1:20.09

Long course distance

Event Time Age Date Standard Next Standard Shawmut Aquatic Club New England Swimming Eastern Zone USA
Free 50 M 33.59 12 06/05/2026 BB A: 32.09 (+1.50s | 4.5%) 4 89 276 1,000+
Free 100 M 1:23.62 Analysis 12 06/05/2026 B: 1:22.09 (+1.53s | 1.8%) 9 201 559 1,000+
Free 200 M 2:55.64 Analysis 12 06/12/2026 B BB: 2:46.39 (+9.25s | 5.3%) 7 119 373 1,000+
50 Free
38.74
38.74
100 Free
44.28
1:23.02
100 Free
1:23.02
150 Free
47.25
2:10.27
200 Free
45.37
2:55.64
100 Free
1:32.62
Back 50 M 42.79 12 05/16/2026 B BB: 41.09 (+1.70s | 4.0%) 7 145 428 1,000+
Back 100 M 1:30.49 Analysis 12 06/05/2026 B BB: 1:29.59 (+0.90s | 1.0%) 7 110 334 1,000+
Back 200 M 3:22.18 Analysis 12 06/05/2026 B BB: 3:08.49 (+13.69s | 6.8%) 7 94 270 1,000+
Breast 50 M 50.94 12 05/16/2026 B: 49.79 (+1.15s | 2.3%) 5 158 447 1,000+
Breast 100 M 1:48.18 Analysis 12 05/16/2026 B: 1:47.79 (+0.39s | 0.4%) 6 122 351 1,000+
50 Breast
51.79
51.79
100 Breast
56.39
1:48.18
100 Breast
1:48.18
Fly 50 M 44.11 12 06/05/2026 B: 41.99 (+2.12s | 4.8%) 10 175 489 1,000+
Fly 100 M 1:40.08 Analysis 12 06/12/2026 B: 1:35.09 (+4.99s | 5.0%) 8 102 289 1,000+
50 Fly
48.33
48.33
100 Fly
51.75
1:40.08
100 Fly
1:40.08

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