Kaj Kosinski

Mage 16CATSMUN-11

121 plausible swims · 24 meets · 2024-11-10 → 2026-06-14

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 24.01 A+0.62s to AA 2025-09-21 2025 TSM Aquatics Season Opener venue
100 Freestyle SCY 52.51 A+1.22s to AA 2026-03-01 2026 Pacific Committee SC Chmpionship venue
200 Freestyle SCY 1:55.97 A+3.98s to AA 2025-02-23 2025 Pacific Committee SC Championship venue
500 Freestyle SCY 5:14.64 A+10.35s to AA 2025-02-22 2025 Pacific Committee SC Championship venue
1000 Freestyle SCY 10:51.02 A+17.03s to AA 2024-12-15 2024 CA RAA/SCS WAG venue
50 Breaststroke SCY 28.94 AA+0.05s to AAA 2026-03-01 2026 Pacific Committee SC Chmpionship venue
100 Breaststroke SCY 1:04.20 A+1.01s to AA 2025-09-21 2025 TSM Aquatics Season Opener venue
200 Breaststroke SCY 2:13.96 AA+2.67s to AAA 2026-02-28 2026 Pacific Committee SC Chmpionship venue
50 Butterfly SCY 27.17 A+1.08s to AA 2025-11-15 BCA Fall Festival venue
100 Butterfly SCY 59.89 BB+2.20s to A 2025-09-20 2025 TSM Aquatics Season Opener venue
200 Individual Medley SCY 2:07.86 A+3.57s to AA 2026-03-01 2026 Pacific Committee SC Chmpionship venue
400 Individual Medley SCY 4:34.93 A+8.84s to AA 2025-12-13 2025 CA GWSC Winter Age Group Invitational venue
50 Freestyle LCM 27.50 A+0.41s to AA 2025-07-18 2025 Summer Pacific Champs @BLAST venue
100 Freestyle LCM 59.48 A+0.49s to AA 2026-06-06 2026 BCA June LC Meet venue
200 Freestyle LCM 2:16.08 BB+1.29s to A 2026-03-28 2026 SGAC March LC Meet venue
400 Freestyle LCM 4:49.88 BB+2.29s to A 2026-06-06 2026 BCA June LC Meet venue
800 Freestyle LCM 9:58.84 BB+2.65s to A 2025-07-27 2025 CA SCS/RAA Summer A/G Champs venue
200 Backstroke LCM 2:40.43 B+0.44s to BB 2025-06-14 2025 June Age Group Invite venue
50 Breaststroke LCM 32.68 AAA+1.19s to AAAA 2026-06-12 2026 SCS June AG Invite venue
100 Breaststroke LCM 1:12.02 AA+1.43s to AAA 2026-06-13 2026 SCS June AG Invite venue
200 Breaststroke LCM 2:36.34 AA+2.85s to AAA 2026-06-14 2026 SCS June AG Invite venue
100 Butterfly LCM 1:09.74 BB+3.75s to A 2025-07-19 2025 Summer Pacific Champs @BLAST venue
200 Individual Medley LCM 2:26.83 A+1.84s to AA 2025-07-20 2025 Summer Pacific Champs @BLAST venue
400 Individual Medley LCM 5:14.28 A+5.29s to AA 2026-06-11 2026 SCS June AG Invite venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 16.

Fastest relay legs

LegCourseTime StartRelayDateMeet
100 Freestyle SCY 54.24 flying 400 Free Relay (leg 2) 2025-02-22 2025 Pacific Committee SC Championship
200 Freestyle SCY 1:55.01 flying 800 Free Relay (leg 3) 2024-12-13 2024 CA RAA/SCS WAG
50 Breaststroke SCY 30.11 flying 200 Medley Relay (leg 2) 2025-02-22 2025 Pacific Committee SC Championship

Reconstructed from relay split marks. Flat = lead-off (comparable to individual times); flying starts run ~0.5–0.7s fast and are not PRs.

IMX / IMR

IMX 15-16 · LCM

3423 points (5/6 events — incomplete)

EventTime Points
400 FR LCM 4:49.88 646
200 BK LCM 2:40.43 522
200 BR LCM 2:36.34 812
200 IM LCM 2:26.83 728
400 IM LCM 5:14.28 715
200 FL LCM 0

IMR 15-16 · LCM

2742 points (4/5 events — incomplete)

EventTime Points
200 FR LCM 2:16.08 643
100 BR LCM 1:12.02 808
100 FL LCM 1:09.74 563
200 IM LCM 2:26.83 728
100 BK LCM 0

Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.

PR splits

100 Freestyle SCY 52.51

25.18
27.33

Front half 25.18s · back half 27.33s

200 Freestyle SCY 1:55.97

27.41
29.52
29.73
29.31

Front half 56.93s · back half 59.04s

500 Freestyle SCY 5:14.64

27.75
30.34
31.74
32.01
32.16
32.08
32.31
32.49
32.35
31.41

Front half 154.00s · back half 160.64s

1000 Freestyle SCY 10:51.02

29.12
32.11
33.00
32.92
32.61
33.01
32.88
33.34
33.11
32.92
33.10
33.07
32.97
33.09
33.03
32.65
32.48
32.45
32.31
30.85

Front half 325.02s · back half 326.00s

100 Breaststroke SCY 1:04.20

30.27
33.93

Front half 30.27s · back half 33.93s

200 Breaststroke SCY 2:13.96

30.56
33.53
34.75
35.12

Front half 64.09s · back half 69.87s

100 Butterfly SCY 59.89

28.04
31.85

Front half 28.04s · back half 31.85s

200 Individual Medley SCY 2:07.86

28.86
34.26
35.19
29.55

Front half 63.12s · back half 64.74s

400 Individual Medley SCY 4:34.93

29.39
35.38
36.61
36.15
37.58
36.30
32.36
31.16

Front half 137.53s · back half 137.40s

200 Freestyle LCM 2:16.08

65.93
70.15

Front half 65.93s · back half 70.15s

400 Freestyle LCM 4:49.88

68.23
73.31
75.13
73.21

Front half 141.54s · back half 148.34s

800 Freestyle LCM 9:58.84

33.34
36.37
37.75
37.44
38.15
38.34
38.42
38.50
38.19
38.26
38.61
37.56
37.94
36.99
37.52
35.46

Front half 298.31s · back half 300.53s

200 Backstroke LCM 2:40.43

37.18
41.05
41.40
40.80

Front half 78.23s · back half 82.20s

100 Breaststroke LCM 1:12.02

33.30
38.72

Front half 33.30s · back half 38.72s

200 Breaststroke LCM 2:36.34

35.12
39.10
40.76
41.36

Front half 74.22s · back half 82.12s

200 Individual Medley LCM 2:26.83

71.26
75.57

Front half 71.26s · back half 75.57s

400 Individual Medley LCM 5:14.28

32.51
37.69
42.87
42.42
41.57
42.71
37.56
36.95

Front half 155.49s · back half 158.79s

Progression

Faster times are higher. One card per event, all courses & history.

50 Freestyle SCY 24.01 7 swims
100 Freestyle SCY 52.51 7 swims
200 Freestyle SCY 1:55.97 6 swims
500 Freestyle SCY 5:14.64 4 swims
1000 Freestyle SCY 10:51.02 2 swims
50 Breaststroke SCY 28.94 9 swims
100 Breaststroke SCY 1:04.20 5 swims
200 Breaststroke SCY 2:13.96 11 swims
50 Butterfly SCY 27.17 2 swims
100 Butterfly SCY 59.89 7 swims
200 Individual Medley SCY 2:07.86 6 swims
400 Individual Medley SCY 4:34.93 3 swims
50 Freestyle LCM 27.50 4 swims
100 Freestyle LCM 59.48 6 swims
200 Freestyle LCM 2:16.08 2 swims
400 Freestyle LCM 4:49.88 3 swims
800 Freestyle LCM 9:58.84 1 swim
200 Backstroke LCM 2:40.43 1 swim
50 Breaststroke LCM 32.68 3 swims
100 Breaststroke LCM 1:12.02 11 swims
200 Breaststroke LCM 2:36.34 10 swims
100 Butterfly LCM 1:09.74 2 swims
200 Individual Medley LCM 2:26.83 6 swims
400 Individual Medley LCM 5:14.28 3 swims