Jon Kowalski

Mage 17CZEZMENEABFSUN

110 plausible swims · 20 meets · 2023-11-17 → 2025-12-21

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 22.31 AA+0.22s to AAA 2025-12-18 2026 NE NSSC Senior Championships
100 Freestyle SCY 48.14 AAA+2.05s to AAAA 2025-12-18 2026 NE NSSC Senior Championships
200 Freestyle SCY 1:45.35 AAA+3.86s to AAAA 2024-12-20 2024 NE CS SCY New England Senior Meet venue
500 Freestyle SCY 5:01.71 A+0.02s to AA 2024-11-01 2024 NE CLIP Swim Fall Classic slow pool
1650 Freestyle SCY 17:31.51 AA+41.72s to AAA 2023-11-17 2023 ME ABF Nov Trial/Finals Meet venue
50 Backstroke SCY 26.19 A+0.50s to AA 2025-10-19 2025 NE ABF Oct Specialty - copied venue
100 Backstroke SCY 54.98 A+0.09s to AA 2024-12-22 2024 NE CS SCY New England Senior Meet venue
200 Backstroke SCY 2:07.59 BB+2.40s to A 2025-01-01 2025 ne abf oct specialty results
100 Breaststroke SCY 1:08.81 BB+4.12s to A 2024-11-16 2024 NE SAC Turkey Splash venue
200 Breaststroke SCY 2:31.98 BB+11.19s to A 2024-10-06 2024 NE CS Fall Festival venue
50 Butterfly SCY 24.11 AAA+0.72s to AAAA 2025-12-21 2026 NE NSSC Senior Championships venue
100 Butterfly SCY 55.05 A+0.76s to AA 2025-12-18 2026 NE NSSC Senior Championships
100 Individual Medley SCY 57.88 2025-01-01 2025 ne abf oct specialty results
200 Individual Medley SCY 2:03.33 A+0.44s to AA 2024-11-15 2024 NE SAC Turkey Splash venue
400 Individual Medley SCY 4:24.94 A+0.45s to AA 2025-01-10 2025 CRA New Year Distance and Specialty Meet
50 Freestyle LCM 25.73 AA+0.24s to AAA 2025-03-29 2025 Speedo Sectional Championship venue
100 Freestyle LCM 55.59 AAA+2.60s to AAAA 2024-03-08 2024 USA Swimming Speedo Championship Series venue
200 Freestyle LCM 2:02.47 AA+0.28s to AAA 2024-03-09 2024 USA Swimming Speedo Championship Series venue
400 Freestyle LCM 4:24.40 AA+3.81s to AAA 2024-03-08 2024 USA Swimming Speedo Championship Series venue
50 Backstroke LCM 30.18 AA+0.79s to AAA 2025-01-01 2025 NE Swimming LC Senior Championships - Brown University, S#: NE25-0710CS venue
100 Backstroke LCM 1:05.48 A+0.79s to AA 2025-03-29 2025 Speedo Sectional Championship venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 17.

Pool tags are a venue speed heuristic (median deviation of all swims there vs each swimmer's typical time) — see the venue page for the method.

Fastest relay legs

LegCourseTime StartRelayDateMeet
50 Freestyle SCY 21.26 flying 200 Medley Relay (leg 4) 2024-12-19 2024 NE CS SCY New England Senior Meet
100 Freestyle SCY 47.17 flying 400 Medley Relay (leg 4) 2024-12-22 2024 NE CS SCY New England Senior Meet
100 Freestyle SCY 46.67 flying 400 Free Relay (leg 4) 2024-12-20 2024 NE CS SCY New England Senior Meet
50 Freestyle LCM 24.55 flying 200 Free Relay (leg 2) 2025-03-30 2025 Speedo Sectional Championship
50 Freestyle LCM 25.28 flying 200 Medley Relay (leg 4) 2025-03-29 2025 Speedo Sectional Championship
100 Freestyle LCM 55.36 flying 400 Free Relay (leg 2) 2025-03-29 2025 Speedo Sectional 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 17-18 · SCY

3297 points (5/6 events — incomplete)

EventTime Points
500 FR SCY 5:01.71 735
200 BK SCY 2:07.59 604
200 BR SCY 2:31.98 513
200 IM SCY 2:03.33 721
400 IM SCY 4:24.94 724
200 FL SCY 0

IMR 17-18 · SCY

3531 points (5/5 events)

EventTime Points
200 FR SCY 1:45.35 860
100 BK SCY 54.98 703
100 BR SCY 1:08.81 538
100 FL SCY 55.05 709
200 IM SCY 2:03.33 721

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

PR splits

100 Freestyle SCY 48.14 split/total mismatch

23.10
1.94

Front half 23.10s · back half 25.04s

200 Freestyle SCY 1:45.35

23.85
26.44
27.61
27.45

Front half 50.29s · back half 55.06s

500 Freestyle SCY 5:01.71

26.90
29.73
30.62
30.49
30.79
30.79
30.77
31.28
31.28
29.06

Front half 148.53s · back half 153.18s

1650 Freestyle SCY 17:31.51

27.28
30.40
31.24
31.82
31.42
31.91
32.13
32.44
31.83
31.72
32.81
32.14
32.33
32.35
32.01
31.92
32.26
33.02
32.13
32.17
32.45
32.51
32.69
32.32
32.32
31.63
33.11
32.20
32.26
31.96
31.99
31.61
29.13

100 Backstroke SCY 54.98

26.38
28.60

Front half 26.38s · back half 28.60s

200 Backstroke SCY 2:07.59 split/total mismatch

29.58
32.65
33.47
31.89

100 Breaststroke SCY 1:08.81

33.17
35.64

Front half 33.17s · back half 35.64s

200 Breaststroke SCY 2:31.98

34.19
38.52
39.91
39.36

Front half 72.71s · back half 79.27s

100 Butterfly SCY 55.05 split/total mismatch

25.20
4.65

Front half 25.20s · back half 29.85s

100 Individual Medley SCY 57.88 split/total mismatch

26.36
5.16

Front half 26.36s · back half 31.52s

200 Individual Medley SCY 2:03.33

26.10
31.31
37.87
28.05

Front half 57.41s · back half 65.92s

400 Individual Medley SCY 4:24.94 split/total mismatch

26.38
30.70
33.04
33.14
40.30
41.21
31.13
29.04

200 Freestyle LCM 2:02.47

59.00
63.47

Front half 59.00s · back half 63.47s

400 Freestyle LCM 4:24.40

61.88
67.93
65.73
68.86

Front half 129.81s · back half 134.59s

100 Backstroke LCM 1:05.48

31.47
34.01

Front half 31.47s · back half 34.01s

Progression

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

50 Freestyle SCY 22.31 14 swims
100 Freestyle SCY 48.14 11 swims
200 Freestyle SCY 1:45.35 13 swims
500 Freestyle SCY 5:01.71 7 swims
1650 Freestyle SCY 17:31.51 1 swim
50 Backstroke SCY 26.19 3 swims
100 Backstroke SCY 54.98 8 swims
200 Backstroke SCY 2:07.59 4 swims
100 Breaststroke SCY 1:08.81 3 swims
200 Breaststroke SCY 2:31.98 1 swim
50 Butterfly SCY 24.11 4 swims
100 Butterfly SCY 55.05 11 swims
100 Individual Medley SCY 57.88 2 swims
200 Individual Medley SCY 2:03.33 1 swim
400 Individual Medley SCY 4:24.94 4 swims
50 Freestyle LCM 25.73 5 swims
100 Freestyle LCM 55.59 6 swims
200 Freestyle LCM 2:02.47 5 swims
400 Freestyle LCM 4:24.40 2 swims
50 Backstroke LCM 30.18 3 swims
100 Backstroke LCM 1:05.48 2 swims