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Nathan Tonthat

Age: 15 years old
Age Category: 15-16
Team: Mason Makos Swim Team | Potomac Valley Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Mason Makos Swim Team Potomac Valley Swimming Eastern Zone USA
Free 50 Y 24.61 15 02/07/2026 BB A: 24.19 (+0.42s | 1.7%) 10 319 1,000+ 1,000+
Free 100 Y 54.17 Analysis 15 02/07/2026 BB A: 53.19 (+0.98s | 1.8%) 9 329 1,000+ 1,000+
50 Free
26.08
26.08
100 Free
28.09
54.17
100 Free
54.17
Free 200 Y 1:59.95 Analysis 15 11/21/2025 BB A: 1:56.59 (+3.36s | 2.8%) 8 271 1,000+ 1,000+
50 Free
27.81
27.81
100 Free
30.58
58.39
100 Free
58.39
150 Free
31.15
1:29.54
200 Free
30.41
1:59.95
100 Free
1:01.56
Free 500 Y 5:34.81 Analysis 15 10/25/2025 BB A: 5:15.79 (+19.02s | 5.7%) 4 238 999 1,000+
50 Free
29.39
29.39
100 Free
32.70
1:02.09
100 Free
1:02.09
150 Free
33.36
1:35.45
200 Free
34.04
2:09.49
100 Free
1:07.40
250 Free
33.99
2:43.48
300 Free
33.80
3:17.28
100 Free
1:07.79
350 Free
34.41
3:51.69
400 Free
34.78
4:26.47
100 Free
1:09.19
450 Free
34.86
5:01.33
500 Free
33.48
5:34.81
100 Free
1:08.34
Free 1000 Y 11:08.17 Analysis 15 01/03/2026 BB A: 11:01.59 (+6.58s | 1.0%) 2 113 432 1,000+
50 Free
28.97
28.97
100 Free
32.22
1:01.19
100 Free
1:01.19
150 Free
33.24
1:34.43
200 Free
33.38
2:07.81
100 Free
1:06.62
250 Free
33.58
2:41.39
300 Free
33.87
3:15.26
100 Free
1:07.45
350 Free
33.95
3:49.21
400 Free
34.44
4:23.65
100 Free
1:08.39
450 Free
33.80
4:57.45
500 Free
33.62
5:31.07
100 Free
1:07.42
550 Free
33.85
6:04.92
600 Free
34.32
6:39.24
100 Free
1:08.17
650 Free
34.68
7:13.92
700 Free
33.59
7:47.51
100 Free
1:08.27
750 Free
33.89
8:21.40
800 Free
33.75
8:55.15
100 Free
1:07.64
850 Free
33.34
9:28.49
900 Free
33.99
10:02.48
100 Free
1:07.33
950 Free
33.80
10:36.28
1000 Free
31.89
11:08.17
100 Free
1:05.69
Back 50 Y 26.64 15 03/05/2026 3 66 266 922
Back 100 Y 58.29 Analysis 15 02/07/2026 BB A: 57.89 (+0.40s | 0.7%) 5 138 539 1,000+
50 Back
28.11
28.11
100 Back
30.18
58.29
100 Back
58.29
Back 200 Y 2:10.09 Analysis 15 11/21/2025 BB A: 2:06.59 (+3.50s | 2.7%) 5 149 571 1,000+
50 Back
29.67
29.67
100 Back
33.55
1:03.22
100 Back
1:03.22
150 Back
34.35
1:37.57
200 Back
32.52
2:10.09
100 Back
1:06.87
Breast 50 Y 32.66 15 01/16/2026 9 183 655 1,000+
Breast 100 Y 1:13.06 Analysis 15 02/07/2026 B BB: 1:11.39 (+1.67s | 2.3%) 12 337 1,000+ 1,000+
50 Breast
34.02
34.02
100 Breast
39.04
1:13.06
100 Breast
1:13.06
Breast 200 Y 2:43.48 Analysis 15 03/21/2026 B BB: 2:35.19 (+8.29s | 5.1%) 11 262 971 1,000+
50 Breast
35.89
35.89
100 Breast
41.17
1:17.06
100 Breast
1:17.06
150 Breast
43.38
2:00.44
200 Breast
43.04
2:43.48
100 Breast
1:26.42
Fly 50 Y 26.07 15 02/07/2026 6 139 460 1,000+
Fly 100 Y 56.69 Analysis 15 01/16/2026 A AA: 55.19 (+1.50s | 2.6%) 5 137 548 1,000+
50 Fly
26.27
26.27
100 Fly
30.42
56.69
100 Fly
56.69
Fly 200 Y 2:06.68 Analysis 15 03/05/2026 A AA: 2:03.39 (+3.29s | 2.6%) 3 83 317 1,000+
50 Fly
27.64
27.64
100 Fly
31.84
59.48
100 Fly
59.48
150 Fly
33.01
1:32.49
200 Fly
34.19
2:06.68
100 Fly
1:07.20
IM 200 Y 2:08.62 Analysis 15 11/21/2025 A AA: 2:03.99 (+4.63s | 3.6%) 6 174 629 1,000+
50 Fly
26.88
26.88
100 Back
34.64
1:01.52
100 IM
1:01.52
150 Breast
37.06
1:38.58
200 Free
30.04
2:08.62
100 IM
1:07.10

Long course distance

Event Time Age Date Standard Next Standard Mason Makos Swim Team Potomac Valley Swimming Eastern Zone USA

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