David Mastin

Age: 10 years old
Age Category: 10 & under
Team: Razor Aquatics | Michigan Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Razor Aquatics Michigan Swimming Central Zone USA
Free 50 Y 38.48 10 02/14/2026 B: 38.19 (+0.29s | 0.8%) 11 300 569 1,000+
Free 100 Y 1:29.20 10 02/14/2026 B: 1:27.99 (+1.21s | 1.4%) 12 295 565 1,000+
Back 50 Y 43.55 10 02/14/2026 B BB: 42.89 (+0.66s | 1.5%) 4 184 353 1,000+
Back 100 Y 1:56.39 9 11/07/2025 B: 1:40.69 (+15.70s | 13.5%) 9 267 635 1,000+
Breast 50 Y 47.61 9 12/12/2025 BB A: 42.09 (+5.52s | 11.6%) 2 110 197 1,000+
Breast 100 Y 1:44.29 10 02/14/2026 B BB: 1:42.29 (+2.00s | 1.9%) 2 89 176 1,000+
50 Breast
48.71
48.71
100 Breast
55.58
1:44.29
100 Breast
1:44.29
Fly 50 Y 43.77 10 01/31/2026 B BB: 41.29 (+2.48s | 5.7%) 2 131 255 1,000+
IM 100 Y 1:37.10 10 01/31/2026 B BB: 1:29.69 (+7.41s | 7.6%) 6 176 340 1,000+
50 IM
45.41
45.41
100 IM
51.69
1:37.10
100 IM
1:37.10

Long course distance

Event Time Age Date Standard Next Standard Razor Aquatics Michigan Swimming Central Zone USA

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