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Liam Peterson

Age: 15 years old
Age Category: 15-16
Team: Potomac Marlins | Potomac Valley Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Potomac Marlins Potomac Valley Swimming Eastern Zone USA
Free 50 Y 26.12 15 11/07/2025 BB A: 24.19 (+1.93s | 7.4%) 20 527 1,000+ 1,000+
Free 100 Y 53.49 Analysis 15 12/04/2025 BB A: 53.19 (+0.30s | 0.6%) 17 289 1,000+ 1,000+
50 Free
25.70
25.70
100 Free
27.79
53.49
100 Free
53.49
Free 200 Y 2:03.42 Analysis 15 11/07/2025 BB A: 1:56.59 (+6.83s | 5.5%) 15 335 1,000+ 1,000+
50 Free
28.91
28.91
100 Free
32.15
1:01.06
100 Free
1:01.06
150 Free
31.79
1:32.85
200 Free
30.57
2:03.42
100 Free
1:02.36
Free 500 Y 5:24.80 Analysis 15 11/14/2025 BB A: 5:15.79 (+9.01s | 2.8%) 11 187 808 1,000+
50 Free
29.02
29.02
100 Free
32.49
1:01.51
100 Free
1:01.51
150 Free
33.70
1:35.21
200 Free
33.24
2:08.45
100 Free
1:06.94
250 Free
33.77
2:42.22
300 Free
33.26
3:15.48
100 Free
1:07.03
350 Free
33.36
3:48.84
400 Free
33.16
4:22.00
100 Free
1:06.52
450 Free
32.49
4:54.49
500 Free
30.31
5:24.80
100 Free
1:02.80
Back 50 Y 26.82 15 03/20/2026 2 72 298 1,000+
Back 100 Y 55.49 Analysis 15 03/05/2026 AA AAA: 53.09 (+2.40s | 4.3%) 2 65 273 929
50 Back
26.74
26.74
100 Back
28.75
55.49
100 Back
55.49
Back 200 Y 2:06.21 Analysis 15 03/05/2026 A AA: 2:01.29 (+4.92s | 3.9%) 4 110 448 1,000+
50 Back
29.68
29.68
100 Back
31.75
1:01.43
100 Back
1:01.43
150 Back
32.79
1:34.22
200 Back
31.99
2:06.21
100 Back
1:04.78
Breast 100 Y 1:08.09 Analysis 15 03/20/2026 BB A: 1:05.89 (+2.20s | 3.2%) 7 190 716 1,000+
Breast 200 Y 2:43.76 Analysis 15 10/10/2025 B BB: 2:35.19 (+8.57s | 5.2%) 13 264 977 1,000+
50 Breast
38.04
38.04
100 Breast
42.32
1:20.36
100 Breast
1:20.36
150 Breast
42.38
2:02.74
200 Breast
41.02
2:43.76
100 Breast
1:23.40
Fly 50 Y 27.62 15 12/04/2025 16 240 786 1,000+
Fly 100 Y 58.17 Analysis 15 03/20/2026 BB A: 57.59 (+0.58s | 1.0%) 12 197 751 1,000+
Fly 200 Y 2:15.60 Analysis 15 12/04/2025 BB A: 2:08.79 (+6.81s | 5.0%) 12 139 524 1,000+
50 Fly
28.76
28.76
100 Fly
33.01
1:01.77
100 Fly
1:01.77
150 Fly
35.20
1:36.97
200 Fly
38.63
2:15.60
100 Fly
1:13.83
IM 200 Y 2:05.90 Analysis 15 03/20/2026 A AA: 2:03.99 (+1.91s | 1.5%) 4 133 461 1,000+
IM 400 Y 4:35.24 Analysis 15 03/20/2026 A AA: 4:24.69 (+10.55s | 3.8%) 4 94 409 1,000+

Long course distance

Event Time Age Date Standard Next Standard Potomac Marlins Potomac Valley Swimming Eastern Zone USA
Free 800 M 10:15.80 Analysis 15 01/03/2026 BB A: 9:54.79 (+21.01s | 3.4%) 1 22 147 865
50 Free
35.00
35.00
100 Free
38.58
1:13.58
100 Free
1:13.58
150 Free
38.27
1:51.85
200 Free
39.46
2:31.31
100 Free
1:17.73
250 Free
38.20
3:09.51
300 Free
39.44
3:48.95
100 Free
1:17.64
350 Free
37.91
4:26.86
400 Free
38.97
5:05.83
100 Free
1:16.88
450 Free
38.81
5:44.64
500 Free
40.05
6:24.69
100 Free
1:18.86
550 Free
39.22
7:03.91
600 Free
39.05
7:42.96
100 Free
1:18.27
650 Free
37.78
8:20.74
700 Free
39.95
9:00.69
100 Free
1:17.73
750 Free
37.89
9:38.58
800 Free
37.22
10:15.80
100 Free
1:15.11
Back 100 M 1:11.96 Analysis 15 01/03/2026 BB A: 1:07.99 (+3.97s | 5.5%) 1 51 222 1,000+
Fly 100 M 1:13.05 Analysis 15 01/03/2026 B BB: 1:11.29 (+1.76s | 2.4%) 2 78 280 1,000+
50 Fly
34.20
34.20
100 Fly
38.85
1:13.05
100 Fly
1:13.05

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