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Zachary Zeng

Age: 10 years old
Age Category: 10 & under
Team: Waterloo Swimming | South Texas Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Waterloo Swimming South Texas Swimming Southern Zone USA
Free 50 Y 28.56 10 02/20/2026 AAA AAAA: 27.49 (+1.07s | 3.7%) 1 4 65 448
Free 100 Y 1:03.32 Analysis 10 02/20/2026 AAA AAAA: 1:00.69 (+2.63s | 4.2%) 1 3 48 352
50 Free
31.06
31.06
100 Free
32.26
1:03.32
100 Free
1:03.32
Free 200 Y 2:25.31 Analysis 10 02/01/2026 A AA: 2:25.29 (+0.02s | 0.0%) 1 9 65 409
Free 500 Y 6:42.13 Analysis 10 12/05/2025 A AA: 6:26.59 (+15.54s | 3.9%) 3 15 94 477
50 Free
34.01
34.01
100 Free
40.54
1:14.55
100 Free
1:14.55
150 Free
41.90
1:56.45
200 Free
41.98
2:38.43
100 Free
1:23.88
250 Free
41.30
3:19.73
300 Free
41.29
4:01.02
100 Free
1:22.59
350 Free
41.64
4:42.66
400 Free
42.06
5:24.72
100 Free
1:23.70
450 Free
39.48
6:04.20
500 Free
37.93
6:42.13
100 Free
1:17.41
Back 50 Y 33.32 10 02/20/2026 AAA AAAA: 32.19 (+1.13s | 3.4%) 1 1 22 188
Back 100 Y 1:13.11 Analysis 10 02/20/2026 AA AAA: 1:12.49 (+0.62s | 0.8%) 1 2 27 272
50 Back
35.63
35.63
100 Back
37.48
1:13.11
100 Back
1:13.11
Breast 50 Y 39.02 10 02/20/2026 AA AAA: 38.29 (+0.73s | 1.9%) 1 3 28 129
Breast 100 Y 1:22.83 Analysis 10 02/20/2026 AA AAA: 1:22.69 (+0.14s | 0.2%) 1 4 45 321
50 Breast
40.48
40.48
100 Breast
42.35
1:22.83
100 Breast
1:22.83
Fly 50 Y 32.70 10 12/05/2025 AA AAA: 32.59 (+0.11s | 0.3%) 1 4 38 159
Fly 100 Y 1:16.01 Analysis 10 02/01/2026 AA AAA: 1:14.59 (+1.42s | 1.9%) 1 7 61 381
IM 100 Y 1:13.65 Analysis 10 02/20/2026 AA AAA: 1:13.09 (+0.56s | 0.8%) 1 2 22 95
50 IM
33.45
33.45
100 IM
40.20
1:13.65
100 IM
1:13.65
IM 200 Y 2:41.73 Analysis 10 02/01/2026 AA AAA: 2:38.39 (+3.34s | 2.1%) 1 7 65 330

Long course distance

Event Time Age Date Standard Next Standard Waterloo Swimming South Texas Swimming Southern Zone USA
Free 50 M 31.70 10 06/19/2026 AAA AAAA: 31.59 (+0.11s | 0.3%) 1 2 21 61
Free 100 M 1:09.97 Analysis 10 06/19/2026 AAA AAAA: 1:09.79 (+0.18s | 0.3%) 1 2 18 49
50 Free
33.02
33.02
100 Free
36.95
1:09.97
100 Free
1:09.97
Free 200 M 2:39.92 Analysis 10 06/19/2026 AA AAA: 2:38.89 (+1.03s | 0.6%) 1 7 67 171
50 Free
36.73
36.73
100 Free
41.43
1:18.16
100 Free
1:18.16
150 Free
42.26
2:00.42
200 Free
39.50
2:39.92
100 Free
1:21.76
Free 400 M 5:48.98 Analysis 10 05/22/2026 AA AAA: 5:36.09 (+12.89s | 3.7%) 1 12 87 189
50 Free
37.43
37.43
100 Free
43.84
1:21.27
100 Free
1:21.27
150 Free
44.23
2:05.50
200 Free
45.05
2:50.55
100 Free
1:29.28
250 Free
45.04
3:35.59
300 Free
45.25
4:20.84
100 Free
1:30.29
350 Free
45.20
5:06.04
400 Free
42.94
5:48.98
100 Free
1:28.14
Back 50 M 38.01 10 06/19/2026 AAA AAAA: 36.99 (+1.02s | 2.7%) 1 4 36 99
Back 100 M 1:24.33 Analysis 10 07/09/2026 AA AAA: 1:24.09 (+0.24s | 0.3%) 1 9 55 143
Breast 50 M 43.07 10 07/09/2026 AAA AAAA: 41.49 (+1.58s | 3.7%) 1 3 29 74
Breast 100 M 1:35.59 Analysis 10 05/22/2026 AAA AAAA: 1:31.69 (+3.90s | 4.1%) 1 3 36 92
50 Breast
46.66
46.66
100 Breast
48.93
1:35.59
100 Breast
1:35.59
Fly 50 M 35.39 10 06/19/2026 AAA AAAA: 34.69 (+0.70s | 2.0%) 1 4 33 95
Fly 100 M 1:25.25 Analysis 10 07/09/2026 AA AAA: 1:25.09 (+0.16s | 0.2%) 1 8 56 159
IM 200 M 2:56.08 Analysis 10 07/09/2026 AAA AAAA: 2:52.19 (+3.89s | 2.2%) 1 5 31 90
IM 400 M 6:36.71 Analysis 10 06/06/2026 1 1 4 13
50 Fly
43.02
43.02
100 Fly
53.48
1:36.50
100 Fly
1:36.50
150 Back
47.84
2:24.34
200 Back
49.84
3:14.18
100 Back
1:37.68
250 Breast
56.35
4:10.53
300 Breast
56.81
5:07.34
100 Breast
1:53.16
350 Free
45.92
5:53.26
400 Free
43.45
6:36.71
100 Free
1:29.37

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