Zeen Zheng

Age: 15 years old
Age Category: 15-16
Team: Palo Alto Stanford Aquatics | Pacific Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Palo Alto Stanford Aquatics Pacific Swimming Western Zone USA
Free 50 Y 24.26 14 07/20/2025 BB A: 24.19 (+0.07s | 0.3%) 23 283 1,000+ 1,000+
Free 100 Y 52.11 14 07/20/2025 A AA: 50.99 (+1.12s | 2.1%) 23 246 959 1,000+
50 Free
24.85
24.85
100 Free
27.26
52.11
100 Free
52.11
Free 200 Y 1:58.31 14 03/01/2025 BB A: 1:56.59 (+1.72s | 1.5%) 27 304 1,000+ 1,000+
50 Free
26.64
26.64
100 Free
30.07
56.71
100 Free
56.71
150 Free
30.86
1:27.57
200 Free
30.74
1:58.31
100 Free
1:01.60
Free 500 Y 5:19.79 14 02/01/2025 BB A: 5:15.79 (+4.00s | 1.3%) 16 215 830 1,000+
Free 1000 Y 11:00.80 15 11/15/2025 A AA: 10:33.99 (+26.81s | 4.1%) 12 110 434 1,000+
Free 1650 Y 18:24.29 14 02/01/2025 BB A: 18:22.79 (+1.50s | 0.1%) 10 113 400 1,000+
50 Free
27.01
27.01
100 Free
30.83
57.84
100 Free
57.84
150 Free
32.12
1:29.96
200 Free
33.33
2:03.29
100 Free
1:05.45
250 Free
32.93
2:36.22
300 Free
33.74
3:09.96
100 Free
1:06.67
350 Free
33.21
3:43.17
400 Free
34.19
4:17.36
100 Free
1:07.40
450 Free
34.09
4:51.45
500 Free
33.93
5:25.38
100 Free
1:08.02
550 Free
34.53
5:59.91
600 Free
33.47
6:33.38
100 Free
1:08.00
650 Free
33.82
7:07.20
700 Free
33.54
7:40.74
100 Free
1:07.36
750 Free
33.71
8:14.45
800 Free
33.76
8:48.21
100 Free
1:07.47
850 Free
33.70
9:21.91
900 Free
34.60
9:56.51
100 Free
1:08.30
950 Free
33.95
10:30.46
1000 Free
34.62
11:05.08
100 Free
1:08.57
1050 Free
33.68
11:38.76
1100 Free
33.89
12:12.65
100 Free
1:07.57
1150 Free
33.99
12:46.64
1200 Free
34.28
13:20.92
100 Free
1:08.27
1250 Free
33.67
13:54.59
1300 Free
33.94
14:28.53
100 Free
1:07.61
1350 Free
35.25
15:03.78
1400 Free
34.57
15:38.35
100 Free
1:09.82
1450 Free
33.46
16:11.81
1500 Free
33.42
16:45.23
100 Free
1:06.88
1550 Free
34.01
17:19.24
1600 Free
32.99
17:52.23
100 Free
1:07.00
1650 Free
32.06
18:24.29
Back 50 Y 28.18 14 04/03/2025 4 102 555 1,000+
Back 100 Y 59.60 14 07/20/2025 BB A: 57.89 (+1.71s | 2.9%) 15 185 766 1,000+
50 Back
28.51
28.51
100 Back
31.09
59.60
100 Back
59.60
Back 200 Y 2:13.70 14 02/01/2025 BB A: 2:06.59 (+7.11s | 5.3%) 16 181 825 1,000+
50 Back
30.47
30.47
100 Back
33.46
1:03.93
100 Back
1:03.93
150 Back
35.29
1:39.22
200 Back
34.48
2:13.70
100 Back
1:09.77
Breast 50 Y 34.12 12 09/22/2023 20 184 843 1,000+
Breast 100 Y 1:06.20 14 04/03/2025 BB A: 1:05.89 (+0.31s | 0.5%) 18 165 635 1,000+
50 Breast
31.52
31.52
100 Breast
34.68
1:06.20
100 Breast
1:06.20
Breast 200 Y 2:23.72 14 03/01/2025 BB A: 2:23.19 (+0.53s | 0.4%) 16 138 496 1,000+
50 Breast
31.82
31.82
100 Breast
36.26
1:08.08
100 Breast
1:08.08
150 Breast
37.67
1:45.75
200 Breast
37.97
2:23.72
100 Breast
1:15.64
Fly 50 Y 29.47 12 09/22/2023 32 274 1,000+ 1,000+
Fly 100 Y 57.59 14 02/01/2025 A AA: 55.19 (+2.40s | 4.2%) 16 196 759 1,000+
50 Fly
26.80
26.80
100 Fly
30.79
57.59
100 Fly
57.59
Fly 200 Y 2:09.21 14 09/20/2025 BB A: 2:08.79 (+0.42s | 0.3%) 8 121 449 1,000+
IM 200 Y 2:09.94 14 03/01/2025 BB A: 2:09.39 (+0.55s | 0.4%) 21 210 812 1,000+
IM 400 Y 4:32.74 14 01/11/2025 A AA: 4:24.69 (+8.05s | 3.0%) 8 122 456 1,000+
50 Fly
29.15
29.15
100 Fly
33.03
1:02.18
100 Fly
1:02.18
150 Back
35.51
1:37.69
200 Back
34.68
2:12.37
100 Back
1:10.19
250 Breast
38.74
2:51.11
300 Breast
39.12
3:30.23
100 Breast
1:17.86
350 Free
31.34
4:01.57
400 Free
31.17
4:32.74
100 Free
1:02.51

Long course distance

Event Time Age Date Standard Next Standard Palo Alto Stanford Aquatics Pacific Swimming Western Zone USA
Free 50 M 28.94 14 04/26/2025 BB A: 28.19 (+0.75s | 2.6%) 24 332 1,000+ 1,000+
Free 100 M 1:04.40 13 07/20/2024 BB A: 1:01.49 (+2.91s | 4.5%) 30 350 1,000+ 1,000+
Free 200 M 2:15.69 14 06/27/2025 BB A: 2:14.29 (+1.40s | 1.0%) 12 201 841 1,000+
Free 400 M 4:46.29 14 06/27/2025 A AA: 4:34.39 (+11.90s | 4.2%) 11 143 588 1,000+
Free 800 M 10:50.91 12 05/27/2023 B BB: 10:44.39 (+6.52s | 1.0%) 10 123 528 1,000+
Free 1500 M 20:40.74 12 05/27/2023 B BB: 20:33.39 (+7.35s | 0.6%) 11 107 439 899
50 Free
34.36
34.36
100 Free
39.44
1:13.80
100 Free
1:13.80
150 Free
40.35
1:54.15
200 Free
40.41
2:34.56
100 Free
1:20.76
250 Free
40.18
3:14.74
300 Free
40.47
3:55.21
100 Free
1:20.65
350 Free
39.89
4:35.10
400 Free
40.62
5:15.72
100 Free
1:20.51
450 Free
40.62
5:56.34
500 Free
42.41
6:38.75
100 Free
1:23.03
550 Free
41.45
7:20.20
600 Free
42.00
8:02.20
100 Free
1:23.45
650 Free
43.03
8:45.23
700 Free
41.95
9:27.18
100 Free
1:24.98
750 Free
41.64
10:08.82
800 Free
42.09
10:50.91
100 Free
1:23.73
850 Free
41.62
11:32.53
900 Free
42.42
12:14.95
100 Free
1:24.04
950 Free
41.80
12:56.75
1000 Free
41.90
13:38.65
100 Free
1:23.70
1050 Free
44.11
14:22.76
1100 Free
41.16
15:03.92
100 Free
1:25.27
1150 Free
42.15
15:46.07
1200 Free
42.49
16:28.56
100 Free
1:24.64
1250 Free
43.54
17:12.10
1300 Free
42.48
17:54.58
100 Free
1:26.02
1350 Free
43.60
18:38.18
1400 Free
41.69
19:19.87
100 Free
1:25.29
1450 Free
41.14
20:01.01
1500 Free
39.73
20:40.74
100 Free
1:20.87
Back 50 M 36.93 12 07/22/2023 11 134 838 1,000+
Back 100 M 1:09.87 14 05/17/2025 BB A: 1:07.99 (+1.88s | 2.7%) 8 117 548 1,000+
50 Back
33.06
33.06
100 Back
36.81
1:09.87
100 Back
1:09.87
Back 200 M 2:39.89 14 06/06/2025 BB A: 2:27.69 (+12.20s | 7.6%) 11 151 724 1,000+
Breast 50 M 39.65 12 05/19/2023 12 95 536 1,000+
Breast 100 M 1:18.94 14 06/06/2025 BB A: 1:16.69 (+2.25s | 2.9%) 11 141 543 1,000+
Breast 200 M 2:49.82 14 07/11/2025 BB A: 2:46.69 (+3.13s | 1.8%) 6 106 397 848
Fly 50 M 32.29 12 07/27/2023 8 102 558 1,000+
Fly 100 M 1:03.92 14 05/17/2025 A AA: 1:03.09 (+0.83s | 1.3%) 9 86 343 777
50 Fly
29.63
29.63
100 Fly
34.29
1:03.92
100 Fly
1:03.92
Fly 200 M 2:22.66 14 07/31/2025 A AA: 2:21.09 (+1.57s | 1.1%) 4 47 184 421
IM 200 M 2:24.37 14 05/17/2025 AA AAA: 2:18.39 (+5.98s | 4.1%) 4 97 355 765
25 Fly
30.69
30.69
50 Back
38.18
1:08.87
50 IM
1:08.87
75 Breast
41.88
1:50.75
100 Free
33.51
2:24.26
50 IM
1:15.39
200 Free
0.11
2:24.37
50 IM
0.11
IM 400 M 5:16.11 14 06/06/2025 A AA: 5:07.79 (+8.32s | 2.6%) 6 89 349 750

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