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Jameson Von Rosenberg

Age: 15 years old
Age Category: 15-16
Team: Nitro Swimming | South Texas Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Nitro Swimming South Texas Swimming Southern Zone USA
Free 50 Y 22.02 15 02/27/2026 AAA AAAA: 21.19 (+0.83s | 3.8%) 3 9 124 439
25 Free
10.87
10.87
50 Free
11.15
22.02
50 Free
22.02
Free 100 Y 49.31 15 02/27/2026 AA AAA: 48.79 (+0.52s | 1.1%) 12 30 300 1,000+
25 Free
10.69
10.69
50 Free
12.56
23.25
50 Free
23.25
75 Free
12.79
36.04
100 Free
13.27
49.31
50 Free
26.06
Free 200 Y 1:49.46 15 02/27/2026 AA AAA: 1:46.89 (+2.57s | 2.3%) 16 56 397 1,000+
Free 500 Y 6:09.65 14 01/18/2025 B: 6:08.39 (+1.26s | 0.3%) 25 197 1,000+ 1,000+
50 Free
32.08
32.08
100 Free
37.25
1:09.33
100 Free
1:09.33
150 Free
36.75
1:46.08
200 Free
38.04
2:24.12
100 Free
1:14.79
250 Free
38.03
3:02.15
300 Free
37.94
3:40.09
100 Free
1:15.97
350 Free
38.18
4:18.27
400 Free
38.75
4:57.02
100 Free
1:16.93
450 Free
37.17
5:34.19
500 Free
35.46
6:09.65
100 Free
1:12.63
Back 100 Y 1:04.29 15 09/19/2025 B BB: 1:02.69 (+1.60s | 2.5%) 22 138 1,000+ 1,000+
50 Back
31.69
31.69
100 Back
32.60
1:04.29
100 Back
1:04.29
Back 200 Y 2:42.72 14 09/20/2024 B: 2:27.59 (+15.13s | 9.3%) 23 162 1,000+ 1,000+
50 Back
38.15
38.15
100 Back
42.98
1:21.13
100 Back
1:21.13
150 Back
42.11
2:03.24
200 Back
39.48
2:42.72
100 Back
1:21.59
Breast 100 Y 1:18.07 15 10/17/2025 B: 1:16.89 (+1.18s | 1.5%) 30 215 1,000+ 1,000+
50 Breast
36.02
36.02
100 Breast
42.05
1:18.07
100 Breast
1:18.07
Fly 50 Y 25.45 15 12/12/2025 11 26 247 1,000+
Fly 100 Y 53.96 15 02/27/2026 AA AAA: 52.79 (+1.17s | 2.2%) 10 28 258 878
25 Fly
11.21
11.21
50 Fly
14.12
25.33
50 Fly
25.33
75 Fly
14.03
39.36
100 Fly
14.60
53.96
50 Fly
28.63
IM 200 Y 2:15.12 15 12/12/2025 BB A: 2:09.39 (+5.73s | 4.2%) 26 133 1,000+ 1,000+
50 Fly
27.78
27.78
100 Back
34.94
1:02.72
100 IM
1:02.72
150 Breast
40.93
1:43.65
200 Free
31.47
2:15.12
100 IM
1:12.40
IM 400 Y 5:50.88 14 12/13/2024 B: 5:22.19 (+28.69s | 8.2%) 23 135 1,000+ 1,000+
50 Fly
39.11
39.11
100 Fly
45.98
1:25.09
100 Fly
1:25.09
150 Back
43.32
2:08.41
200 Back
44.48
2:52.89
100 Back
1:27.80
250 Breast
51.66
3:44.55
300 Breast
52.06
4:36.61
100 Breast
1:43.72
350 Free
37.53
5:14.14
400 Free
36.74
5:50.88
100 Free
1:14.27

Long course distance

Event Time Age Date Standard Next Standard Nitro Swimming South Texas Swimming Southern Zone USA
Free 50 M 28.18 14 06/08/2025 A AA: 26.99 (+1.19s | 4.2%) 21 108 539 1,000+
Free 100 M 1:05.81 14 04/26/2025 BB A: 1:01.49 (+4.32s | 6.6%) 29 178 817 1,000+
50 Free
31.73
31.73
100 Free
34.08
1:05.81
100 Free
1:05.81
Free 200 M 2:26.34 14 05/25/2025 B BB: 2:25.39 (+0.95s | 0.6%) 25 155 691 1,000+
50 Free
34.23
34.23
100 Free
38.10
1:12.33
100 Free
1:12.33
150 Free
38.51
1:50.84
200 Free
35.50
2:26.34
100 Free
1:14.01
Free 400 M 5:24.23 14 05/25/2025 B BB: 5:10.19 (+14.04s | 4.3%) 20 123 512 1,000+
50 Free
34.47
34.47
100 Free
40.89
1:15.36
100 Free
1:15.36
150 Free
41.45
1:56.81
200 Free
41.77
2:38.58
100 Free
1:23.22
250 Free
42.03
3:20.61
300 Free
41.91
4:02.52
100 Free
1:23.94
350 Free
42.22
4:44.74
400 Free
39.49
5:24.23
100 Free
1:21.71
Back 100 M 1:20.16 14 06/08/2025 B: 1:19.39 (+0.77s | 1.0%) 24 151 586 1,000+
50 Back
40.15
40.15
100 Back
40.01
1:20.16
100 Back
1:20.16
IM 200 M 2:52.68 14 04/26/2025 B BB: 2:43.59 (+9.09s | 5.3%) 26 162 677 1,000+
50 Fly
35.56
35.56
100 Back
45.16
1:20.72
100 IM
1:20.72
150 Breast
56.14
2:16.86
200 Free
35.82
2:52.68
100 IM
1:31.96

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