Mark Zeng

Age: 11 years old
Age Category: 11-12
Team: Tualatin Hills Swim Club | Oregon Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Oregon Swimming Tualatin Hills Swim Club
Free 50 Y 39.84 11 10/17/2025 B: 32.79 (+7.05s | 17.7%) 394 42
Free 100 Y 1:31.28 11 10/10/2025 B: 1:11.49 (+19.79s | 21.7%) 376 43
Free 200 Y 3:32.33 10 05/23/2025 B: 2:35.99 (+56.34s | 26.5%) 260 35
Back 50 Y 55.06 10 04/25/2025 B: 38.49 (+16.57s | 30.1%) 435 45
Back 100 Y 2:02.76 10 05/23/2025 B: 1:22.19 (+40.57s | 33.0%) 326 39
Breast 50 Y 54.62 11 10/10/2025 B: 43.49 (+11.13s | 20.4%) 299 40
Breast 100 Y 1:56.93 11 10/17/2025 B: 1:32.59 (+24.34s | 20.8%) 257 37
50 Breast
55.09
55.09
100 Breast
1:01.84
1:56.93
100 Breast
1:56.93
Fly 50 Y 58.36 10 05/31/2025 B: 37.09 (+21.27s | 36.4%) 288 40
IM 100 Y 1:39.11 11 10/10/2025 B: 1:21.89 (+17.22s | 17.4%) 224 36
50 IM
45.70
45.70
100 IM
53.41
1:39.11
100 IM
1:39.11

Long course distance

Event Time Age Date Standard Next Standard Oregon Swimming Tualatin Hills Swim Club
Free 50 M 45.88 10 07/05/2025 B: 37.39 (+8.49s | 18.5%) 231 38
Free 100 M 1:50.24 10 06/06/2025 B: 1:22.09 (+28.15s | 25.5%) 238 37
50 Free
51.78
51.78
100 Free
58.46
1:50.24
100 Free
1:50.24
Back 50 M 59.22 10 07/05/2025 B: 44.49 (+14.73s | 24.9%) 238 33
Back 100 M 2:16.27 10 06/06/2025 B: 1:37.19 (+39.08s | 28.7%) 209 39
50 Back
1:06.52
1:06.52
100 Back
1:09.75
2:16.27
100 Back
2:16.27
Breast 50 M 1:02.63 10 06/06/2025 B: 49.79 (+12.84s | 20.5%) 191 32
Breast 100 M 2:25.91 10 06/06/2025 B: 1:47.79 (+38.12s | 26.1%) 165 30
50 Breast
1:09.02
1:09.02
100 Breast
1:16.89
2:25.91
100 Breast
2:25.91
Fly 50 M 58.46 10 06/06/2025 B: 41.99 (+16.47s | 28.2%) 177 33

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