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Mark Dong

Age: 15 years old
Age Category: 15-16
Team: Mission San Jose High School | Unattached

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Mission San Jose High School Unattached Unattached USA
Free 50 Y 26.73 15 03/28/2026 B BB: 26.29 (+0.44s | 1.6%) 5 392 392 1,000+
Free 100 Y 1:02.43 Analysis 15 10/18/2025 B: 1:01.99 (+0.44s | 0.7%) 7 447 447 1,000+
Free 200 Y 2:06.10 Analysis 15 05/01/2026 BB A: 1:56.59 (+9.51s | 7.5%) 3 223 223 1,000+
50 Free
28.64
28.64
100 Free
32.32
1:00.96
100 Free
1:00.96
150 Free
32.91
1:33.87
200 Free
32.23
2:06.10
100 Free
1:05.14
Free 500 Y 5:34.50 Analysis 15 05/01/2026 BB A: 5:15.79 (+18.71s | 5.6%) 3 129 129 1,000+
50 Free
29.57
29.57
100 Free
33.29
1:02.86
100 Free
1:02.86
150 Free
33.85
1:36.71
200 Free
33.88
2:10.59
100 Free
1:07.73
250 Free
33.84
2:44.43
300 Free
34.75
3:19.18
100 Free
1:08.59
350 Free
34.78
3:53.96
400 Free
33.62
4:27.58
100 Free
1:08.40
450 Free
1:06.92
5:34.50
500 Free
0.00
5:34.50
100 Free
1:06.92
Back 50 Y 41.32 15 01/13/2024 5 263 263 1,000+
Back 100 Y 1:13.87 Analysis 15 12/14/2024 B: 1:07.49 (+6.38s | 8.6%) 4 305 305 1,000+
Breast 50 Y 44.46 15 09/30/2023 4 135 135 1,000+
Breast 100 Y 1:16.23 Analysis 15 09/27/2025 B BB: 1:11.39 (+4.84s | 6.3%) 4 240 240 1,000+
Breast 200 Y 2:41.39 Analysis 15 11/08/2025 B BB: 2:35.19 (+6.20s | 3.8%) 3 68 68 1,000+
Fly 50 Y 44.20 15 09/16/2023 5 163 163 1,000+
Fly 100 Y 1:10.24 Analysis 15 10/18/2025 B: 1:07.19 (+3.05s | 4.3%) 4 267 267 1,000+
Fly 200 Y 2:36.84 Analysis 15 03/22/2025 B: 2:30.19 (+6.65s | 4.2%) 2 53 53 1,000+
IM 200 Y 2:20.81 Analysis 15 03/28/2026 B BB: 2:20.19 (+0.62s | 0.4%) 2 187 187 1,000+
IM 400 Y 5:31.40 Analysis 15 12/14/2024 B: 5:22.19 (+9.21s | 2.8%) 4 78 78 1,000+

Long course distance

Event Time Age Date Standard Next Standard Mission San Jose High School Unattached Unattached USA
Free 50 M 32.65 15 06/08/2024 B BB: 30.59 (+2.06s | 6.3%) 6 143 143 1,000+
Free 100 M 1:12.90 Analysis 15 05/10/2025 B: 1:11.79 (+1.11s | 1.5%) 5 142 142 1,000+
Free 200 M 2:33.03 Analysis 15 06/07/2025 B BB: 2:25.39 (+7.64s | 5.0%) 4 93 93 1,000+
Free 400 M 5:42.75 Analysis 15 06/22/2024 B: 5:34.09 (+8.66s | 2.5%) 3 66 66 1,000+
Back 50 M 41.57 15 06/22/2024 2 71 71 1,000+
Back 100 M 1:31.87 Analysis 15 06/22/2024 B: 1:19.39 (+12.48s | 13.6%) 3 101 101 1,000+
Breast 50 M 43.94 15 06/22/2024 3 60 60 1,000+
Breast 100 M 1:26.71 Analysis 15 06/07/2025 B BB: 1:23.09 (+3.62s | 4.2%) 4 61 61 1,000+
Breast 200 M 3:06.74 Analysis 15 06/07/2025 B BB: 3:00.59 (+6.15s | 3.3%) 4 40 40 1,000+
Fly 50 M 37.65 15 06/22/2024 3 68 68 1,000+
Fly 100 M 1:18.59 Analysis 15 06/07/2025 B: 1:16.79 (+1.80s | 2.3%) 3 66 66 1,000+
Fly 200 M 3:11.01 Analysis 15 06/07/2025 B: 2:51.69 (+19.32s | 10.1%) 3 24 24 1,000+
IM 200 M 2:54.55 Analysis 15 05/10/2025 B BB: 2:43.59 (+10.96s | 6.3%) 3 74 74 1,000+
IM 400 M 5:57.29 Analysis 15 06/07/2025 B BB: 5:47.99 (+9.30s | 2.6%) 2 27 27 1,000+

Above are the fastest times that Mark Dong 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.