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Kaj Kosinski

Age: 17 years old
Age Category: 17-18
Team: Tsm Aquatics | Southern California Swimming

Personal Best

Short course distance

Event Time Age Date Standard Next Standard Tsm Aquatics Southern California Swimming Western Zone USA
Free 50 Y 24.59 17 02/13/2026 BB Min A: 24.19 (+0.40s | 1.6%)
Free 100 Y 53.28 Analysis 17 11/07/2024 BB Min A: 53.19 (+0.09s | 0.2%)
Free 200 Y 2:30.59 Analysis 17 02/18/2022 B Min BB: 2:24.89 (+5.70s | 3.8%)
Free 500 Y 5:27.07 Analysis 17 12/09/2023 A Min AA: 5:16.89 (+10.18s | 3.1%)
Free 1000 Y 10:51.02 Analysis 17 12/13/2024 A Min AA: 10:33.99 (+17.03s | 2.6%)
Back 50 Y 38.19 17 06/19/2021 B Min BB: 35.59 (+2.60s | 6.8%)
Breast 50 Y 29.20 17 12/12/2025
Breast 100 Y 1:05.29 Analysis 17 03/14/2024 AA Min AAA: 1:03.29 (+2.00s | 3.1%)
Breast 200 Y 2:16.73 Analysis 17 11/07/2024 AA Min AAA: 2:11.29 (+5.44s | 4.0%)
Fly 50 Y 28.40 17 02/13/2026
Fly 100 Y 1:02.19 Analysis 17 02/13/2026 BB Min A: 57.59 (+4.60s | 7.4%)
IM 200 Y 2:15.73 Analysis 17 02/13/2026 BB Min A: 2:09.39 (+6.34s | 4.7%)
IM 400 Y 4:34.93 Analysis 17 12/12/2025 A Min AA: 4:24.69 (+10.24s | 3.7%)

Long course distance

Event Time Age Date Standard Next Standard Tsm Aquatics Southern California Swimming Western Zone USA
Free 50 M 28.07 17 06/13/2024 AA Min AAA: 26.89 (+1.18s | 4.2%)
Free 100 M 1:02.96 Analysis 17 06/13/2024 A Min AA: 1:01.69 (+1.27s | 2.0%)
Free 200 M 2:16.15 Analysis 17 06/13/2024 A Min AA: 2:14.69 (+1.46s | 1.1%)
Free 400 M 4:51.86 Analysis 17 06/13/2024 A Min AA: 4:46.19 (+5.67s | 1.9%)
Free 800 M 9:58.84 Analysis 17 07/24/2025 BB Min A: 9:54.79 (+4.05s | 0.7%)
Back 200 M 2:40.43 Analysis 17 06/12/2025 B Min BB: 2:39.99 (+0.44s | 0.3%)
Breast 50 M 32.68 17 06/11/2026
Breast 100 M 1:11.80 Analysis 17 07/16/2026 AA Min AAA: 1:10.29 (+1.51s | 2.1%)
Breast 200 M 2:35.72 Analysis 17 07/16/2026 AA Min AAA: 2:32.79 (+2.93s | 1.9%)
IM 400 M 5:14.28 Analysis 17 06/11/2026 A Min AA: 5:07.79 (+6.49s | 2.1%)

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