Mark Zeng

Age: 10 years old
Age Category: 10 & under
Team: Tualatin Hills Swim Club | Oregon Swimming
Participation: 14 meets 38 events

Personal Best

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: 43.89 (+1.99s | 4.3%) 138 25
Free 100 M 1:50.24 10 06/06/2025 B: 1:40.99 (+9.25s | 8.4%) 155 28
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: 55.39 (+3.83s | 6.5%) 185 33
Back 100 M 2:16.27 10 06/06/2025 B: 1:56.69 (+19.58s | 14.4%) 167 31
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: 1:00.89 (+1.74s | 2.8%) 123 19
Breast 100 M 2:25.91 10 06/06/2025 B: 2:12.89 (+13.02s | 8.9%) 106 19
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: 52.29 (+6.17s | 10.6%) 102 23

Short course distance

Event Time Age Date Standard Next Standard Oregon Swimming Tualatin Hills Swim Club
Free 25 Y 22.07 10 11/01/2024 108 14
Free 50 Y 43.48 10 05/31/2025 B: 38.19 (+5.29s | 12.2%) 193 29
Free 100 Y 1:41.71 10 05/31/2025 B: 1:27.99 (+13.72s | 13.5%) 175 29
50 Free
48.87
48.87
100 Free
52.84
1:41.71
100 Free
1:41.71
Free 200 Y 3:32.33 10 05/23/2025 B: 3:09.49 (+22.84s | 10.8%) 96 23
Back 25 Y 25.68 10 01/31/2025 102 20
Back 50 Y 55.06 10 04/25/2025 B: 48.29 (+6.77s | 12.3%) 230 35
Back 100 Y 2:02.76 10 05/23/2025 B: 1:40.69 (+22.07s | 18.0%) 130 28
Breast 25 Y 29.24 10 10/11/2024 46 8
Breast 50 Y 1:00.57 10 05/31/2025 B: 53.39 (+7.18s | 11.9%) 166 28
Breast 100 Y 2:03.59 10 05/23/2025 B: 1:54.09 (+9.50s | 7.7%) 95 18
Fly 25 Y 29.22 10 11/01/2024 71 11
Fly 50 Y 58.36 10 05/31/2025 B: 46.49 (+11.87s | 20.3%) 135 26
IM 100 Y 1:55.23 10 05/31/2025 B: 1:39.69 (+15.54s | 13.5%) 142 27
50 IM
56.07
56.07
100 IM
59.16
1:55.23
100 IM
1:55.23

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.