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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 65 450
Free 100 Y 1:03.32 Analysis 10 02/20/2026 AAA AAAA: 1:00.69 (+2.63s | 4.2%) 1 3 50 361
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 76 444
Free 500 Y 6:42.13 Analysis 10 12/05/2025 A AA: 6:26.59 (+15.54s | 3.9%) 3 15 103 514
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 26 197
Back 100 Y 1:13.11 Analysis 10 02/20/2026 AA AAA: 1:12.49 (+0.62s | 0.8%) 1 2 32 292
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 36 153
Breast 100 Y 1:22.83 Analysis 10 02/20/2026 AA AAA: 1:22.69 (+0.14s | 0.2%) 1 4 48 332
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 44 180
Fly 100 Y 1:16.01 Analysis 10 02/01/2026 AA AAA: 1:14.59 (+1.42s | 1.9%) 1 7 68 410
IM 100 Y 1:13.65 Analysis 10 02/20/2026 AA AAA: 1:13.09 (+0.56s | 0.8%) 1 2 29 117
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 73 363

Long course distance

Event Time Age Date Standard Next Standard Waterloo Swimming South Texas Swimming Southern Zone USA
Free 50 M 32.04 10 05/22/2026 AAA AAAA: 31.59 (+0.45s | 1.4%) 1 2 10 27
Free 100 M 1:13.04 Analysis 10 05/10/2026 AAA AAAA: 1:09.79 (+3.25s | 4.4%) 1 4 29 77
50 Free
35.80
35.80
100 Free
37.24
1:13.04
100 Free
1:13.04
Free 200 M 3:00.53 Analysis 10 06/13/2025 BB A: 2:53.39 (+7.14s | 4.0%) 5 26 155 415
50 Free
39.53
39.53
100 Free
48.19
1:27.72
100 Free
1:27.72
150 Free
48.70
2:16.42
200 Free
44.11
3:00.53
100 Free
1:32.81
Free 400 M 5:48.98 Analysis 10 05/22/2026 AA AAA: 5:36.09 (+12.89s | 3.7%) 1 7 41 81
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 38.64 10 05/10/2026 AAA AAAA: 36.99 (+1.65s | 4.3%) 1 2 26 68
Back 100 M 1:24.67 Analysis 10 04/19/2026 AA AAA: 1:24.09 (+0.58s | 0.7%) 1 6 31 84
Breast 50 M 47.19 10 05/08/2026 A AA: 45.79 (+1.40s | 3.0%) 2 6 62 173
Breast 100 M 1:35.59 Analysis 10 05/22/2026 AAA AAAA: 1:31.69 (+3.90s | 4.1%) 1 3 19 42
50 Breast
46.66
46.66
100 Breast
48.93
1:35.59
100 Breast
1:35.59
Fly 50 M 36.39 10 05/08/2026 AAA AAAA: 34.69 (+1.70s | 4.7%) 1 4 25 79
Fly 100 M 1:25.55 Analysis 10 05/22/2026 AA AAA: 1:25.09 (+0.46s | 0.5%) 1 3 25 78
50 Fly
38.34
38.34
100 Fly
47.21
1:25.55
100 Fly
1:25.55
IM 200 M 3:01.72 Analysis 10 05/10/2026 AA AAA: 3:00.79 (+0.93s | 0.5%) 1 3 25 79
50 Fly
42.22
42.22
100 Back
45.04
1:27.26
100 IM
1:27.26
150 Breast
56.13
2:23.39
200 Free
38.33
3:01.72
100 IM
1:34.46

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.