swimstats

Jon Kowalski

Xage 12CTCZEZMEMRNEABFSUN

148 plausible swims · 24 meets · 2020-11-27 → 2026-01-01

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 22.14 2025-03-06 2025 SC Senior Championshipsfast pool
100 Freestyle SCY 47.41 2025-03-06 2025 SC Senior Championshipsfast pool
200 Freestyle SCY 1:45.35 2024-12-20 2024 NE CS SCY New England Senior Meetvenue
500 Freestyle SCY 5:01.71 2024-11-01 2024 NE CLIP Swim Fall Classicslow pool
1650 Freestyle SCY 17:31.51 2023-11-17 2023 ME ABF Nov Trial/Finals Meetvenue
50 Backstroke SCY 26.19 2025-01-01 2025 ne abf oct specialty results
100 Backstroke SCY 54.98 2024-12-22 2024 NE CS SCY New England Senior Meetvenue
200 Backstroke SCY 2:07.59 2025-01-01 2025 ne abf oct specialty results
50 Breaststroke SCY 36.48 2021-02-12 2021 NE CRA February TYR Meet
100 Breaststroke SCY 1:08.81 2024-11-16 2024 NE SAC Turkey Splashvenue
200 Breaststroke SCY 2:31.98 2024-10-06 2024 NE CS Fall Festivalvenue
50 Butterfly SCY 24.11 2025-12-21 2026 NE NSSC Senior Championshipsvenue
100 Butterfly SCY 55.05 2025-12-18 2026 NE NSSC Senior Championships
200 Butterfly SCY 2:41.52 2020-12-05 2020 NE CL ABF Intersquad Meet
100 Individual Medley SCY 57.88 2025-01-01 2025 ne abf oct specialty results
200 Individual Medley SCY 2:03.33 2024-11-15 2024 NE SAC Turkey Splashvenue
400 Individual Medley SCY 4:24.94 2025-01-10 2025 CRA New Year Distance and Specialty Meetvenue
50 Freestyle LCM 25.73 2025-03-29 2025 Speedo Sectional Championshipvenue
100 Freestyle LCM 55.59 2024-03-08 2024 USA Swimming Speedo Championship Seriesvenue
200 Freestyle LCM 2:02.47 2024-03-09 2024 USA Swimming Speedo Championship Seriesvenue
400 Freestyle LCM 4:24.40 2024-03-08 2024 USA Swimming Speedo Championship Seriesvenue
50 Backstroke LCM 30.18 2025-01-01 2025 NE Swimming LC Senior Championships - Brown University, S#: NE25-0710CSvenue
100 Backstroke LCM 1:05.48 2025-03-29 2025 Speedo Sectional Championshipvenue

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 22.15 flat 200 Free Relay 2024-12-21 2024 NE CS SCY New England Senior Meet
50 Freestyle SCY 21.26 flying 200 Medley Relay (leg 4) 2024-12-19 2024 NE CS SCY New England Senior Meet
50 Freestyle SCY 21.75 flying 200 Free Relay (leg 4) 2025-12-20 2026 NE NSSC Senior Championships
100 Freestyle SCY 46.67 flying 400 Free Relay (leg 4) 2024-12-20 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
200 Freestyle SCY 1:44.86 flying 800 Free Relay (leg 3) 2025-12-18 2026 NE NSSC Senior Championships
50 Freestyle LCM 25.28 flying 200 Medley Relay (leg 4) 2025-03-29 2025 Speedo Sectional Championship
50 Freestyle LCM 24.55 flying 200 Free Relay (leg 2) 2025-03-30 2025 Speedo Sectional Championship
100 Freestyle LCM 56.65 flat 400 Free Relay 2024-03-08 2024 USA Swimming Speedo Championship Series
100 Freestyle LCM 55.36 flying 400 Free Relay (leg 2) 2025-03-29 2025 Speedo Sectional Championship
200 Freestyle LCM 1:52.67 flying 800 Free Relay (leg 2) 2024-03-07 2024 USA Swimming Speedo Championship Series

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

PR splits

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

200 Butterfly SCY 2:41.52 split/total mismatch

32.46
6.85
4.66
1.81

Front half 39.31s · back half 122.21s

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

26.38
30.70
33.04
33.14
40.30
41.21
31.13
29.04

Front half 123.26s · back half 141.68s

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

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 22.14 23 swims
100 Freestyle SCY 47.41 16 swims
200 Freestyle SCY 1:45.35 15 swims
500 Freestyle SCY 5:01.71 9 swims
1650 Freestyle SCY 17:31.51 1 swim
50 Backstroke SCY 26.19 11 swims
100 Backstroke SCY 54.98 13 swims
200 Backstroke SCY 2:07.59 4 swims
50 Breaststroke SCY 36.48 2 swims
100 Breaststroke SCY 1:08.81 5 swims
200 Breaststroke SCY 2:31.98 2 swims
50 Butterfly SCY 24.11 3 swims
100 Butterfly SCY 55.05 14 swims
200 Butterfly SCY 2:41.52 1 swim
100 Individual Medley SCY 57.88 3 swims
200 Individual Medley SCY 2:03.33 3 swims
400 Individual Medley SCY 4:24.94 2 swims
50 Freestyle LCM 25.73 4 swims
100 Freestyle LCM 55.59 6 swims
200 Freestyle LCM 2:02.47 4 swims
400 Freestyle LCM 4:24.40 2 swims
50 Backstroke LCM 30.18 2 swims
100 Backstroke LCM 1:05.48 3 swims