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 37.78 11 11/07/2025 B: 32.79 (+4.99s | 13.2%) 341 36
Free 100 Y 1:23.40 11 12/05/2025 B: 1:11.49 (+11.91s | 14.3%) 299 36
50 Free
38.98
38.98
100 Free
44.42
1:23.40
100 Free
1:23.40
Free 200 Y 3:32.33 10 05/23/2025 B: 2:35.99 (+56.34s | 26.5%) 281 36
Back 50 Y 49.76 11 11/07/2025 B: 38.49 (+11.27s | 22.6%) 368 41
Back 100 Y 1:46.07 11 12/05/2025 B: 1:22.19 (+23.88s | 22.5%) 285 32
50 Back
50.72
50.72
100 Back
55.35
1:46.07
100 Back
1:46.07
Breast 50 Y 51.95 11 11/07/2025 B: 43.49 (+8.46s | 16.3%) 271 37
Breast 100 Y 1:56.93 11 10/17/2025 B: 1:32.59 (+24.34s | 20.8%) 264 36
50 Breast
55.09
55.09
100 Breast
1:01.84
1:56.93
100 Breast
1:56.93
Fly 50 Y 41.72 11 12/05/2025 B: 37.09 (+4.63s | 11.1%) 152 23
Fly 100 Y 1:37.56 11 12/05/2025 B: 1:22.89 (+14.67s | 15.0%) 136 26
50 Fly
44.98
44.98
100 Fly
52.58
1:37.56
100 Fly
1:37.56
IM 100 Y 1:39.11 11 10/10/2025 B: 1:21.89 (+17.22s | 17.4%) 237 33
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%) 221 34
Free 100 M 1:50.24 10 06/06/2025 B: 1:22.09 (+28.15s | 25.5%) 223 33
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%) 237 29
Back 100 M 2:16.27 10 06/06/2025 B: 1:37.19 (+39.08s | 28.7%) 196 35
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%) 193 29
Breast 100 M 2:25.91 10 06/06/2025 B: 1:47.79 (+38.12s | 26.1%) 166 29
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%) 173 29

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.