Kaj Kosinski

Mage 16CAPCTSMUN-11

108 plausible swims · 21 meets · 2024-11-10 → 2026-07-17

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 24.01 A+0.62s to AA·+0.82s to Sectionals 2025-09-21 2025 TSM Aquatics Season Openervenue
100 Freestyle SCY 52.51 A+1.22s to AA·+1.52s to Sectionals 2026-03-01 2026 Pacific Committee SC Chmpionshipvenue
200 Freestyle SCY 1:55.97 A+3.98s to AA·+4.18s to Sectionals 2025-02-23 2025 Pacific Committee SC Championshipvenue
500 Freestyle SCY 5:14.64 A+10.35s to AA·+11.95s to Sectionals 2025-02-22 2025 Pacific Committee SC Championshipvenue
1000 Freestyle SCY 10:51.02 A+17.03s to AA·+17.03s to Sectionals 2024-12-15 2024 CA RAA/SCS WAGvenue
50 Breaststroke SCY 28.94 AA+0.05s to AAA·+2.65s to Futures 2026-03-01 2026 Pacific Committee SC Chmpionshipvenue
100 Breaststroke SCY 1:04.20 A+1.01s to AA·+1.01s to Sectionals 2025-09-21 2025 TSM Aquatics Season Openervenue
200 Breaststroke SCY 2:13.96 AA+2.67s to AAA·Sectionals ✓+5.97s to Futures 2026-02-28 2026 Pacific Committee SC Chmpionshipvenue
50 Butterfly SCY 27.17 A+1.08s to AA·+4.28s to Futures 2025-11-15 BCA Fall Festivalvenue
100 Butterfly SCY 59.89 BB+2.20s to A·+4.70s to Sectionals 2025-09-20 2025 TSM Aquatics Season Openervenue
200 Individual Medley SCY 2:07.86 A+3.57s to AA·+3.87s to Sectionals 2026-03-01 2026 Pacific Committee SC Chmpionshipvenue
400 Individual Medley SCY 4:34.93 A+8.84s to AA·+10.24s to Sectionals 2025-12-13 2025 CA GWSC Winter Age Group Invitationalvenue
50 Freestyle LCM 27.50 A+0.41s to AA·+0.51s to Sectionals 2025-07-18 2025 Summer Pacific Champs @BLASTvenue
100 Freestyle LCM 59.48 A+0.49s to AA·+0.49s to Sectionals 2026-06-06 2026 BCA June LC Meetvenue
200 Freestyle LCM 2:14.55 A+5.36s to AA·+5.86s to Sectionals 2026-07-11 2026 Summer Pacific Champs @BLAST - copied -venue
400 Freestyle LCM 4:49.88 BB+2.29s to A·+15.49s to Sectionals 2026-06-06 2026 BCA June LC Meetvenue
800 Freestyle LCM 9:58.84 BB+2.65s to A·+28.85s to Sectionals 2025-07-27 2025 CA SCS/RAA Summer A/G Champsvenue
200 Backstroke LCM 2:40.43 B+0.44s to BB·+18.94s to Sectionals 2025-06-14 2025 June Age Group Invitevenue
50 Breaststroke LCM 32.68 AAA+1.19s to AAAA·+1.79s to Futures 2026-06-12 2026 SCS June AG Invitevenue
100 Breaststroke LCM 1:11.80 AA+1.21s to AAA·Sectionals ✓+3.61s to Futures 2026-07-16 2026 CA/NV Summer Speedo Sectionals @ BREA -venue
200 Breaststroke LCM 2:35.72 AA+2.23s to AAA·Sectionals ✓+6.63s to Futures 2026-07-16 2026 CA/NV Summer Speedo Sectionals @ BREA -venue
100 Butterfly LCM 1:09.74 BB+3.75s to A·+6.65s to Sectionals 2025-07-19 2025 Summer Pacific Champs @BLASTvenue
200 Individual Medley LCM 2:26.83 A+1.84s to AA·+2.14s to Sectionals 2025-07-20 2025 Summer Pacific Champs @BLASTvenue
400 Individual Medley LCM 5:14.28 A+5.29s to AA·+6.49s to Sectionals 2026-06-11 2026 SCS June AG Invitevenue

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

National cuts (Sectionals → Nationals) are the current-season meet qualifying times for the swimmer's zone and age group; ✓ marks the hardest cut already achieved.

Fastest relay legs

LegCourseTime StartRelayDateMeet
50 Freestyle SCY 24.07 flat 200 Free Relay 2025-09-20 2025 TSM Aquatics Season Opener
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
50 Butterfly SCY 26.96 flying 200 Medley Relay (leg 3) 2025-09-21 2025 TSM Aquatics Season Opener

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

3433 points (5/6 events — incomplete)

EventTime Points
400 FR LCM 4:49.88 646
200 BK LCM 2:40.43 522
200 BR LCM 2:35.72 822
200 IM LCM 2:26.83 728
400 IM LCM 5:14.28 715
200 FL LCM 0

IMR 15-16 · LCM

2771 points (4/5 events — incomplete)

EventTime Points
200 FR LCM 2:14.55 665
100 BR LCM 1:11.80 815
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 2:14.55

65.53
69.02

Front half 65.53s · back half 69.02s

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 1:11.80 RT 0.68s

33.81
37.99

Front half 33.81s · back half 37.99s

200 Breaststroke LCM 2:35.72 RT 0.71s

35.82
39.25
40.50
40.15

Front half 75.07s · back half 80.65s

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

Reaction time

fastest 0.68s average 0.690s slowest 0.71s 3 electronic starts

Start reaction over time faster starts higher

From electronically-timed starts only (~2% of corpus swims carry a reaction time). PRs with a recorded reaction show an RT chip in the splits section above.

Swim history

Every recorded swim, newest first
DateEventCourse TimeAge RoundMeet

Individual swims with a recorded date and time — including disqualifications — plus reconstructed relay legs (marked). Assembled in the browser from this page’s data.

Progression

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

50 Freestyle SCY 24.01 5 swims
100 Freestyle SCY 52.51 6 swims
200 Freestyle SCY 1:55.97 5 swims
500 Freestyle SCY 5:14.64 3 swims
1000 Freestyle SCY 10:51.02 1 swim
50 Breaststroke SCY 28.94 7 swims
100 Breaststroke SCY 1:04.20 4 swims
200 Breaststroke SCY 2:13.96 10 swims
50 Butterfly SCY 27.17 2 swims
100 Butterfly SCY 59.89 5 swims
200 Individual Medley SCY 2:07.86 5 swims
400 Individual Medley SCY 4:34.93 2 swims
50 Freestyle LCM 27.50 4 swims
100 Freestyle LCM 59.48 5 swims
200 Freestyle LCM 2:14.55 4 swims
400 Freestyle LCM 4:49.88 2 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 1:11.80 10 swims
200 Breaststroke LCM 2:35.72 11 swims
100 Butterfly LCM 1:09.74 2 swims
200 Individual Medley LCM 2:26.83 5 swims
400 Individual Medley LCM 5:14.28 2 swims