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Jefferson Koller

Age: 14 years old
Age Category: 13-14
Team: Mantas Swim Club | Minnesota Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Mantas Swim Club Minnesota Swimming Central Zone USA
Free 50 Y 30.26 13 02/21/2026 B: 29.89 (+0.37s | 1.2%) 6 293 1,000+ 1,000+
Free 100 Y 1:07.57 Analysis 13 02/21/2026 B: 1:04.99 (+2.58s | 3.8%) 6 277 1,000+ 1,000+
50 Free
32.57
32.57
100 Free
35.00
1:07.57
100 Free
1:07.57
Free 200 Y 2:24.54 Analysis 13 02/21/2026 B: 2:22.49 (+2.05s | 1.4%) 5 206 848 1,000+
50 Free
32.94
32.94
100 Free
37.58
1:10.52
100 Free
1:10.52
150 Free
38.49
1:49.01
200 Free
35.53
2:24.54
100 Free
1:14.02
Back 50 Y 34.79 13 02/27/2026 B: 33.69 (+1.10s | 3.2%) 7 176 670 1,000+
Back 100 Y 1:19.47 Analysis 13 02/13/2026 B: 1:11.29 (+8.18s | 10.3%) 7 241 904 1,000+
50 Back
38.90
38.90
100 Back
40.57
1:19.47
100 Back
1:19.47
Breast 50 Y 51.89 13 05/10/2025 B: 38.59 (+13.30s | 25.6%) 7 411 1,000+ 1,000+
Breast 100 Y 1:55.05 Analysis 13 03/07/2025 B: 1:20.49 (+34.56s | 30.0%) 7 386 1,000+ 1,000+
50 Breast
54.19
54.19
100 Breast
1:00.86
1:55.05
100 Breast
1:55.05
Fly 50 Y 38.24 13 02/21/2026 B: 33.19 (+5.05s | 13.2%) 6 276 994 1,000+
Fly 100 Y 1:51.07 Analysis 13 02/08/2025 B: 1:10.49 (+40.58s | 36.5%) 6 265 889 1,000+
50 Fly
52.49
52.49
100 Fly
58.58
1:51.07
100 Fly
1:51.07
IM 200 Y 3:01.11 Analysis 13 11/15/2025 B: 2:37.99 (+23.12s | 12.8%) 5 255 889 1,000+
50 Fly
42.64
42.64
100 Back
46.27
1:28.91
100 IM
1:28.91
150 Breast
54.44
2:23.35
200 Free
37.76
3:01.11
100 IM
1:32.20

Long course distance

Event Time Age Date Standard Next Standard Mantas Swim Club Minnesota Swimming Central Zone USA
Free 50 M 39.21 13 05/16/2025 B: 34.29 (+4.92s | 12.5%) 9 327 938 1,000+
Free 100 M 1:29.09 Analysis 13 05/16/2025 B: 1:15.09 (+14.00s | 15.7%) 8 319 917 1,000+
50 Free
42.30
42.30
100 Free
46.79
1:29.09
100 Free
1:29.09
Free 200 M 3:02.07 Analysis 13 06/20/2025 B: 2:43.99 (+18.08s | 9.9%) 9 260 686 1,000+
50 Free
41.05
41.05
100 Free
47.64
1:28.69
100 Free
1:28.69
150 Free
47.40
2:16.09
200 Free
45.98
3:02.07
100 Free
1:33.38
Back 50 M 46.52 13 05/16/2025 B: 39.49 (+7.03s | 15.1%) 5 241 617 1,000+
Back 100 M 1:37.80 Analysis 13 06/07/2025 B: 1:23.69 (+14.11s | 14.4%) 6 231 641 1,000+
50 Back
47.78
47.78
100 Back
50.02
1:37.80
100 Back
1:37.80
Breast 50 M 1:05.00 13 06/07/2025 B: 43.99 (+21.01s | 32.3%) 6 267 658 1,000+
Fly 50 M 53.83 13 06/20/2025 B: 37.29 (+16.54s | 30.7%) 7 266 663 1,000+
IM 200 M 3:50.61 Analysis 13 05/16/2025 B: 3:02.89 (+47.72s | 20.7%) 3 232 590 1,000+
50 Fly
55.11
55.11
100 Back
55.00
1:50.11
100 IM
1:50.11
150 Breast
1:11.78
3:01.89
200 Free
48.72
3:50.61
100 IM
2:00.50

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