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Leah Mason

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

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Jenison Michigan Swimming Central Zone USA
Free 50 Y 34.56 10 03/07/2026 BB A: 32.09 (+2.47s | 7.1%) 5 187 460 1,000+
Free 100 Y 1:21.44 Analysis 10 02/07/2026 B BB: 1:21.09 (+0.35s | 0.4%) 5 228 581 1,000+
50 Free
39.33
39.33
100 Free
42.11
1:21.44
100 Free
1:21.44
Free 200 Y 2:57.08 Analysis 10 03/07/2026 BB A: 2:38.39 (+18.69s | 10.6%) 5 146 383 1,000+
50 Free
41.11
41.11
100 Free
46.15
1:27.26
100 Free
1:27.26
150 Free
48.35
2:15.61
200 Free
41.47
2:57.08
100 Free
1:29.82
Back 50 Y 43.37 10 03/07/2026 B BB: 43.29 (+0.08s | 0.2%) 7 240 737 1,000+
Breast 50 Y 48.55 10 12/05/2025 BB A: 42.79 (+5.76s | 11.9%) 3 194 520 1,000+
Breast 100 Y 1:45.17 Analysis 10 01/10/2026 BB A: 1:33.59 (+11.58s | 11.0%) 5 155 422 1,000+
50 Breast
50.10
50.10
100 Breast
55.07
1:45.17
100 Breast
1:45.17
Fly 25 Y 19.61 10 02/28/2026 2 40 67 674
IM 100 Y 1:37.68 Analysis 10 01/10/2026 B BB: 1:33.19 (+4.49s | 4.6%) 5 255 738 1,000+
50 IM
47.85
47.85
100 IM
49.83
1:37.68
100 IM
1:37.68

Long course distance

Event Time Age Date Standard Next Standard Jenison Michigan Swimming Central Zone USA

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