Kaj Kosinski

MaleCATSM Aquatics

Also swam for Unattached (2025–26). Best times below include every one of them.

23 events98 swims26 meetsLast raced Sep 20, 2026

Where Kaj ranks

Current best: each age group's best time, against the swimmers in it now.

50 Free SCY23.84

FastestField

Boys 17-18 · best in age group · set Sep 2026Tap a row for the list

Cuts Checker

Include conversions

Select a time standard above to see which events you qualify for.

Best Times

Show conversions

50 Breast

SCY7 swims

BBBAAAAAAAAAA1.05 to AAA

28.94

2026-03-01

LCM3 swims

BBBAAAAAAAAAA0.99 to AAA

32.68

2026-06-12

200 Breast

SCY7 swims

BBBAAAAAAAAAA0.67 to AA

BEST

2:13.96

2026-02-28

LCM7 swims

BBBAAAAAAAAAA0.33 to AA

2:35.72

2026-07-16

100 Breast

SCY9 swims

BBBAAAAAAAAAA0.98 to AA

BEST

1:02.37

2026-03-21

LCM7 swims

BBBAAAAAAAAAA0.51 to AA

1:11.80

2026-07-16

400 IM

SCY2 swims

BBBAAAAAAAAAA2.94 to A

BEST

4:34.93

2025-12-13

LCM2 swims

BBBAAAAAAAAAA12.39 to AA

5:14.28

2026-06-11

200 IM

SCY9 swims

BBBAAAAAAAAAA0.78 to A

BEST

2:07.17

2026-04-28

LCM4 swims

BBBAAAAAAAAAA5.64 to AA

2:26.83

2025-07-20

100 Free

SCY5 swims

BBBAAAAAAAAAA0.82 to A

BEST

52.51

2026-03-01

LCM4 swims

BBBAAAAAAAAAA2.09 to AA

59.48

2026-06-06

800 Free

LCM1 swim

BBBAAAAAAAAAA17.75 to A

9:58.84

2025-07-27

500 Free

SCY2 swims

BBBAAAAAAAAAA3.25 to A

BEST

5:14.64

2025-02-22

LCM1 swim

BBBAAAAAAAAAA10.09 to A

4:49.88

2026-06-06

200 Free

SCY5 swims

BBBAAAAAAAAAA1.48 to A

#10,433 USA#10 TSM

BEST

1:55.97

2025-02-23

LCM3 swims

BBBAAAAAAAAAA3.46 to A

2:14.55

2026-07-11

50 Free

SCY6 swims

BBBAAAAAAAAAA0.25 to A

#585 CA#12,632 USA

BEST

23.84

2026-09-20

LCM3 swims

BBBAAAAAAAAAA0.11 to A

27.50

2025-07-18

50 Fly

SCY3 swims

BBBAAAAAAAAAA0.42 to A

#308 CA#5,388 USA

26.61

2026-09-20

100 Fly

SCY5 swims

BBBAAAAAAAAAA3.80 to A

BEST

59.89

2025-09-20

LCM1 swim

BBBAAAAAAAAAA0.45 to BB

1:09.74

2025-07-19

200 Back

LCM1 swim

BBBAAAAAAAAAA3.34 to BB

2:40.43

2025-06-14

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Explore

USA Swimming time standards — 17-18 Boys

See how Kaj's times rank nationally: 50 Breast (LCM)50 Breast 200 Breast (LCM)200 Breast 100 Breast (LCM)100 Breast

Other TSM Aquatics swimmers around Kaj's age: Christopher Goodman Bora Kocataskin Sean Luk Nikolai Gilmore Sloane Bryant