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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%) 2 6 105 366
25 Free
10.87
10.87
50 Free
11.15
22.02
50 Free
22.02
Free 100 Y 49.31 Analysis 15 02/27/2026 AA AAA: 48.79 (+0.52s | 1.1%) 6 20 250 930
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 Analysis 15 02/27/2026 AA AAA: 1:46.89 (+2.57s | 2.3%) 13 43 370 1,000+
Free 500 Y 6:09.65 Analysis 15 01/18/2025 B: 6:08.39 (+1.26s | 0.3%) 24 193 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 Analysis 15 09/19/2025 B BB: 1:02.69 (+1.60s | 2.5%) 21 127 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 Analysis 15 09/20/2024 B: 2:27.59 (+15.13s | 9.3%) 21 155 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 Analysis 15 10/17/2025 B: 1:16.89 (+1.18s | 1.5%) 31 204 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 9 18 228 957
Fly 100 Y 53.96 Analysis 15 02/27/2026 AA AAA: 52.79 (+1.17s | 2.2%) 7 20 205 752
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 Analysis 15 12/12/2025 BB A: 2:09.39 (+5.73s | 4.2%) 22 116 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 Analysis 15 12/13/2024 B: 5:22.19 (+28.69s | 8.2%) 23 130 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 25.14 15 04/24/2026 AAA AAAA: 24.69 (+0.45s | 1.8%) 1 6 46 145
Free 100 M 56.69 Analysis 15 05/30/2026 AA AAA: 56.39 (+0.30s | 0.5%) 6 27 166 510
50 Free
26.96
26.96
100 Free
29.73
56.69
100 Free
56.69
Free 200 M 2:09.69 Analysis 15 04/24/2026 A AA: 2:08.69 (+1.00s | 0.8%) 15 62 357 1,000+
Free 400 M 4:45.86 Analysis 15 04/24/2026 A AA: 4:34.39 (+11.47s | 4.0%) 14 58 395 1,000+
Back 100 M 1:20.16 Analysis 15 06/08/2025 B: 1:19.39 (+0.77s | 1.0%) 24 176 855 1,000+
50 Back
40.15
40.15
100 Back
40.01
1:20.16
100 Back
1:20.16
Fly 50 M 27.90 15 05/30/2026 2 8 74 277
Fly 100 M 1:04.15 Analysis 15 05/30/2026 A AA: 1:03.09 (+1.06s | 1.7%) 9 35 240 877
50 Fly
29.56
29.56
100 Fly
34.59
1:04.15
100 Fly
1:04.15
IM 200 M 2:52.68 Analysis 15 04/26/2025 B BB: 2:43.59 (+9.09s | 5.3%) 26 188 950 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.