New! ScoreMeUp is now available on the App Store. Download the iOS app →

Mark Dong

Age: 15 years old
Age Category: 15-16
Team: California Dolphins Swim Team | Pacific Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard California Dolphins Swim Team Pacific Swimming Western Zone USA
Free 50 Y 26.73 15 03/28/2026 B BB: 26.29 (+0.44s | 1.6%) 18 567 1,000+ 1,000+
Free 100 Y 1:02.43 Analysis 15 10/18/2025 B: 1:01.99 (+0.44s | 0.7%) 19 662 1,000+ 1,000+
Free 200 Y 2:13.44 Analysis 15 01/31/2026 B BB: 2:06.29 (+7.15s | 5.4%) 15 491 1,000+ 1,000+
Free 500 Y 5:45.93 Analysis 15 03/28/2026 B BB: 5:42.09 (+3.84s | 1.1%) 8 311 1,000+ 1,000+
Back 50 Y 41.32 15 01/13/2024 14 556 1,000+ 1,000+
Back 100 Y 1:13.87 Analysis 15 12/14/2024 B: 1:07.49 (+6.38s | 8.6%) 17 543 1,000+ 1,000+
Breast 50 Y 44.46 15 09/30/2023 14 564 1,000+ 1,000+
Breast 100 Y 1:16.23 Analysis 15 09/27/2025 B BB: 1:11.39 (+4.84s | 6.3%) 16 441 1,000+ 1,000+
Breast 200 Y 2:41.39 Analysis 15 11/08/2025 B BB: 2:35.19 (+6.20s | 3.8%) 8 277 1,000+ 1,000+
Fly 50 Y 44.20 15 09/16/2023 14 617 1,000+ 1,000+
Fly 100 Y 1:10.24 Analysis 15 10/18/2025 B: 1:07.19 (+3.05s | 4.3%) 15 482 1,000+ 1,000+
Fly 200 Y 2:36.84 Analysis 15 03/22/2025 B: 2:30.19 (+6.65s | 4.2%) 6 228 964 1,000+
IM 200 Y 2:20.81 Analysis 15 03/28/2026 B BB: 2:20.19 (+0.62s | 0.4%) 10 353 1,000+ 1,000+
IM 400 Y 5:31.40 Analysis 15 12/14/2024 B: 5:22.19 (+9.21s | 2.8%) 7 277 1,000+ 1,000+

Long course distance

Event Time Age Date Standard Next Standard California Dolphins Swim Team Pacific Swimming Western Zone USA
Free 50 M 32.65 15 06/08/2024 B BB: 30.59 (+2.06s | 6.3%) 18 509 1,000+ 1,000+
Free 100 M 1:12.90 Analysis 15 05/10/2025 B: 1:11.79 (+1.11s | 1.5%) 17 505 1,000+ 1,000+
Free 200 M 2:33.03 Analysis 15 06/07/2025 B BB: 2:25.39 (+7.64s | 5.0%) 11 371 1,000+ 1,000+
Free 400 M 5:42.75 Analysis 15 06/22/2024 B: 5:34.09 (+8.66s | 2.5%) 7 293 1,000+ 1,000+
Back 50 M 41.57 15 06/22/2024 5 228 1,000+ 1,000+
Back 100 M 1:31.87 Analysis 15 06/22/2024 B: 1:19.39 (+12.48s | 13.6%) 12 441 1,000+ 1,000+
Breast 50 M 43.94 15 06/22/2024 5 174 859 1,000+
Breast 100 M 1:26.71 Analysis 15 06/07/2025 B BB: 1:23.09 (+3.62s | 4.2%) 6 254 989 1,000+
Breast 200 M 3:06.74 Analysis 15 06/07/2025 B BB: 3:00.59 (+6.15s | 3.3%) 7 175 748 1,000+
Fly 50 M 37.65 15 06/22/2024 9 239 1,000+ 1,000+
Fly 100 M 1:18.59 Analysis 15 06/07/2025 B: 1:16.79 (+1.80s | 2.3%) 11 309 1,000+ 1,000+
Fly 200 M 3:11.01 Analysis 15 06/07/2025 B: 2:51.69 (+19.32s | 10.1%) 4 147 624 1,000+
IM 200 M 2:54.55 Analysis 15 05/10/2025 B BB: 2:43.59 (+10.96s | 6.3%) 13 358 1,000+ 1,000+
IM 400 M 5:57.29 Analysis 15 06/07/2025 B BB: 5:47.99 (+9.30s | 2.6%) 3 171 724 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.