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

Mason Umemoto

Age: 12 years old
Age Category: 11-12
Team: Hilo Aquatic Club | Hawaiian Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Hilo Aquatic Club Hawaiian Swimming Western Zone USA
Free 50 Y 29.21 12 02/26/2026 BB A: 28.09 (+1.12s | 3.8%) 1 26 673 1,000+
Free 100 Y 1:03.24 Analysis 12 02/26/2026 BB A: 1:01.29 (+1.95s | 3.1%) 1 19 495 1,000+
50 Free
30.43
30.43
100 Free
32.81
1:03.24
100 Free
1:03.24
Free 200 Y 2:23.69 Analysis 12 04/18/2026 BB A: 2:13.69 (+10.00s | 7.0%) 1 28 547 1,000+
50 Free
33.62
33.62
100 Free
37.87
1:11.49
100 Free
1:11.49
150 Free
37.07
1:48.56
200 Free
35.13
2:23.69
100 Free
1:12.20
Back 100 Y 1:33.83 Analysis 12 10/18/2025 B: 1:22.19 (+11.64s | 12.4%) 1 51 1,000+ 1,000+
50 Back
45.36
45.36
100 Back
48.47
1:33.83
100 Back
1:33.83
Breast 50 Y 40.68 12 02/07/2026 B BB: 40.09 (+0.59s | 1.5%) 1 32 687 1,000+
Breast 100 Y 1:29.99 Analysis 12 03/07/2026 B BB: 1:25.49 (+4.50s | 5.0%) 1 37 764 1,000+
50 Breast
42.27
42.27
100 Breast
47.72
1:29.99
100 Breast
1:29.99
Fly 50 Y 34.13 12 04/18/2026 BB A: 31.19 (+2.94s | 8.6%) 1 24 619 1,000+
Fly 100 Y 1:16.47 Analysis 12 04/18/2026 B BB: 1:16.09 (+0.38s | 0.5%) 1 17 490 1,000+
50 Fly
36.88
36.88
100 Fly
39.59
1:16.47
100 Fly
1:16.47
IM 100 Y 1:16.52 Analysis 12 03/07/2026 B BB: 1:15.89 (+0.63s | 0.8%) 1 25 593 1,000+
50 IM
37.22
37.22
100 IM
39.30
1:16.52
100 IM
1:16.52
IM 200 Y 2:46.15 Analysis 12 02/26/2026 B BB: 2:45.79 (+0.36s | 0.2%) 1 21 587 1,000+
50 Fly
37.76
37.76
100 Back
45.12
1:22.88
100 IM
1:22.88
150 Breast
49.31
2:12.19
200 Free
33.96
2:46.15
100 IM
1:23.27

Long course distance

Event Time Age Date Standard Next Standard Hilo Aquatic Club Hawaiian Swimming Western Zone USA
Free 50 M 32.87 12 07/16/2026 BB A: 32.09 (+0.78s | 2.4%) 1 21 520 1,000+
Free 100 M 1:10.68 Analysis 12 07/16/2026 BB A: 1:10.39 (+0.29s | 0.4%) 1 14 349 1,000+
50 Free
34.59
34.59
100 Free
36.09
1:10.68
100 Free
1:10.68
Free 200 M 2:33.87 Analysis 12 07/16/2026 BB A: 2:33.59 (+0.28s | 0.2%) 1 15 301 895
50 Free
36.24
36.24
100 Free
40.81
1:17.05
100 Free
1:17.05
150 Free
39.26
1:56.31
200 Free
37.56
2:33.87
100 Free
1:16.82
Free 400 M 5:31.98 Analysis 12 07/16/2026 BB A: 5:26.69 (+5.29s | 1.6%) 1 15 300 944
50 Free
38.51
38.51
100 Free
41.49
1:20.00
100 Free
1:20.00
150 Free
43.39
2:03.39
200 Free
43.20
2:46.59
100 Free
1:26.59
250 Free
40.81
3:27.40
300 Free
41.97
4:09.37
100 Free
1:22.78
350 Free
42.25
4:51.62
400 Free
40.36
5:31.98
100 Free
1:22.61
Breast 50 M 50.20 12 06/06/2026 B: 49.79 (+0.41s | 0.8%) 3 44 1,000+ 1,000+
Fly 50 M 36.86 12 07/16/2026 BB A: 35.29 (+1.57s | 4.3%) 1 20 469 1,000+
Fly 100 M 1:26.09 Analysis 12 07/16/2026 BB A: 1:19.49 (+6.60s | 7.7%) 1 16 406 1,000+
50 Fly
41.15
41.15
100 Fly
44.94
1:26.09
100 Fly
1:26.09
IM 200 M 3:02.99 Analysis 12 07/16/2026 BB A: 2:53.69 (+9.30s | 5.1%) 1 21 476 1,000+
50 Fly
39.88
39.88
100 Back
50.17
1:30.05
100 IM
1:30.05
150 Breast
55.11
2:25.16
200 Free
37.83
3:02.99
100 IM
1:32.94

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