Ryonosuke Jefferson

Age: 13 years old
Age Category: 13-14
Team: Dart Swimming | Sierra Nevada Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Dart Swimming Sierra Nevada Swimming Western Zone USA
Free 50 Y 24.14 12 11/08/2025 AA AAA: 23.49 (+0.65s | 2.7%) 3 12 275 890
Free 100 Y 53.17 12 11/08/2025 AA AAA: 51.09 (+2.08s | 3.9%) 3 9 319 1,000+
50 Free
25.64
25.64
100 Free
27.53
53.17
100 Free
53.17
Free 200 Y 1:54.29 12 11/08/2025 AA AAA: 1:51.99 (+2.30s | 2.0%) 3 9 176 619
50 Free
26.56
26.56
100 Free
29.27
55.83
100 Free
55.83
150 Free
29.66
1:25.49
200 Free
28.80
1:54.29
100 Free
58.46
Free 500 Y 5:23.78 12 07/26/2025 A AA: 5:16.89 (+6.89s | 2.1%) 4 12 395 1,000+
50 Free
3:11.18
3:11.18
50 Free
3:11.18
100 Free
33.60
3:44.78
50 Free
33.60
150 Free
33.23
4:18.01
50 Free
33.23
200 Free
33.55
4:51.56
50 Free
33.55
250 Free
32.22
5:23.78
50 Free
32.22
Breast 50 Y 37.06 11 11/09/2024 6 24 1,000+ 1,000+
Breast 100 Y 1:20.91 11 11/09/2024 B: 1:20.49 (+0.42s | 0.5%) 8 34 1,000+ 1,000+
50 Breast
39.94
39.94
100 Breast
40.97
1:20.91
100 Breast
1:20.91
Breast 200 Y 2:29.79 13 01/17/2026 A AA: 2:23.59 (+6.20s | 4.1%) 5 13 297 872
50 Breast
33.13
33.13
100 Breast
38.79
1:11.92
100 Breast
1:11.92
150 Breast
39.49
1:51.41
200 Breast
38.38
2:29.79
100 Breast
1:17.87
Fly 50 Y 28.14 12 11/08/2025 3 12 431 1,000+
Fly 100 Y 59.53 13 01/17/2026 A AA: 57.89 (+1.64s | 2.8%) 6 13 318 973
50 Fly
28.81
28.81
100 Fly
30.72
59.53
100 Fly
59.53
IM 200 Y 2:10.90 13 01/17/2026 A AA: 2:09.79 (+1.11s | 0.8%) 4 9 263 803
50 Fly
26.91
26.91
100 Back
34.46
1:01.37
100 IM
1:01.37
150 Breast
39.52
1:40.89
200 Free
30.01
2:10.90
100 IM
1:09.53

Long course distance

Event Time Age Date Standard Next Standard Dart Swimming Sierra Nevada Swimming Western Zone USA
Free 50 M 28.14 12 08/06/2025 AA AAA: 26.89 (+1.25s | 4.4%) 3 11 295 600
Free 100 M 1:00.69 12 08/06/2025 AA AAA: 58.99 (+1.70s | 2.8%) 4 10 210 425
50 Free
28.87
28.87
100 Free
31.82
1:00.69
100 Free
1:00.69
Free 200 M 2:11.68 12 08/06/2025 AA AAA: 2:08.89 (+2.79s | 2.1%) 2 2 134 291
50 Free
30.74
30.74
100 Free
33.13
1:03.87
100 Free
1:03.87
150 Free
34.31
1:38.18
200 Free
33.50
2:11.68
100 Free
1:07.81
Free 400 M 4:41.56 12 08/06/2025 AA AAA: 4:33.79 (+7.77s | 2.8%) 1 3 137 281
100 Free
1:08.18
1:08.18
100 Free
1:08.18
200 Free
1:11.25
2:19.43
100 Free
1:11.25
300 Free
1:11.45
3:30.88
100 Free
1:11.45
400 Free
1:10.68
4:41.56
100 Free
1:10.68
Fly 100 M 1:07.81 12 08/06/2025 A AA: 1:05.99 (+1.82s | 2.7%) 3 4 183 365
50 Fly
32.25
32.25
100 Fly
35.55
1:07.81
100 Fly
1:07.81
IM 200 M 2:33.63 12 08/06/2025 A AA: 2:30.19 (+3.44s | 2.2%) 2 7 252 485
IM 400 M 5:28.96 12 08/06/2025 A AA: 5:20.89 (+8.07s | 2.5%) 4 8 176 339
100 Fly
1:12.76
1:12.76
100 Fly
1:12.76
200 Back
1:29.38
2:42.14
100 Back
1:29.38
300 Breast
1:35.99
4:18.13
100 Breast
1:35.99
400 Free
1:10.83
5:28.96
100 Free
1:10.83

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