Pj Koerwitz

Mage 18CZEZLEGLSSLESD

78 plausible swims · 11 meets · 2020-02-23 → 2026-03-29

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 20.89 AAA+0.20s to AAAA 2026-03-28 2026 EZ North Speedo Short Course Sectionals venue
100 Freestyle SCY 46.99 AAA+1.50s to AAAA 2024-11-23 The 2024 Mark J. Braun Fall Classic venue
200 Freestyle SCY 1:43.57 AAA+2.98s to AAAA 2026-03-27 2026 EZ North Speedo Short Course Sectionals venue
500 Freestyle SCY 4:49.33 AA+2.64s to AAA 2024-11-23 The 2024 Mark J. Braun Fall Classic venue
50 Backstroke SCY 36.65 +5.76s to B 2020-02-23 2020 Regional Age Group Championship Meet venue
100 Backstroke SCY 57.92 BB+1.73s to A 2024-11-24 The 2024 Mark J. Braun Fall Classic venue
50 Butterfly SCY 24.82 AA+0.53s to AAA 2025-02-28 2025 Lake Erie Winter Senior Championships fast pool
100 Butterfly SCY 58.84 BB+2.65s to A 2025-03-01 2025 Lake Erie Winter Senior Championships fast pool
100 Individual Medley SCY 58.08 2025-03-02 2025 Lake Erie Winter Senior Championships fast pool
200 Individual Medley SCY 2:04.63 A+3.14s to AA 2024-11-23 The 2024 Mark J. Braun Fall Classic venue
50 Freestyle LCM 25.04 AAA+1.05s to AAAA 2024-03-21 2024 Spring Speedo Sectionals venue
100 Freestyle LCM 54.28 AAA+1.59s to AAAA 2024-03-24 2024 Spring Speedo Sectionals venue
200 Freestyle LCM 2:03.90 AA+3.21s to AAA 2024-03-22 2024 Spring Speedo Sectionals venue
400 Freestyle LCM 4:28.24 AA+10.95s to AAA 2024-03-23 2024 Spring Speedo Sectionals venue
100 Backstroke LCM 1:08.76 BB+1.77s to A 2024-05-18 2024 Robert F. Busbey Invitational venue
50 Breaststroke LCM 35.28 BB+0.19s to A 2024-07-27 2024 LE Age Group and Senior LC Championships venue
100 Breaststroke LCM 1:23.30 B+2.41s to BB 2024-07-28 2024 LE Age Group and Senior LC Championships venue
50 Butterfly LCM 29.32 A+0.73s to AA 2024-07-26 2024 LE Age Group and Senior LC Championships venue
100 Butterfly LCM 1:08.99 BB+4.70s to A 2024-05-19 2024 Robert F. Busbey Invitational venue
200 Individual Medley LCM 2:29.87 BB+1.78s to A 2024-03-01 2024 Lake Erie Senior Champs Prelims

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 18.

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 21.00 flat 200 Free Relay 2026-03-29 2026 EZ North Speedo Short Course Sectionals
50 Freestyle SCY 21.17 flying 200 Medley Relay (leg 4) 2026-03-28 2026 EZ North Speedo Short Course Sectionals
100 Freestyle SCY 46.85 flat 400 Free Relay 2026-03-28 2026 EZ North Speedo Short Course Sectionals
100 Freestyle SCY 50.93 flying 400 Free Relay (leg 4) 2023-11-19 The 2023 Mark J. Braun Fall Classic
100 Freestyle SCY 48.29 flying 400 Medley Relay (leg 4) 2024-03-02 2024 Lake Erie Senior Champs Prelims
200 Freestyle SCY 1:44.84 flying 800 Free Relay (leg 2) 2026-03-27 2026 EZ North Speedo Short Course Sectionals
100 Freestyle LCM 57.54 flat 400 Free Relay 2024-05-19 2024 Robert F. Busbey Invitational
100 Freestyle LCM 56.47 flying 400 Free Relay (leg 2) 2024-07-28 2024 LE Age Group and Senior LC Championships
200 Freestyle LCM 2:06.49 flat 800 Free Relay 2024-03-01 2024 Lake Erie Senior Champs Prelims

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

1532 points (2/6 events — incomplete)

EventTime Points
500 FR SCY 4:49.33 834
200 IM SCY 2:04.63 698
200 BK SCY 0
200 BR SCY 0
200 FL SCY 0
400 IM SCY 0

IMR 17-18 · LCM

3047 points (5/5 events)

EventTime Points
200 FR LCM 2:03.90 793
100 BK LCM 1:08.76 606
100 BR LCM 1:23.30 477
100 FL LCM 1:08.99 534
200 IM LCM 2:29.87 637

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

PR splits

100 Freestyle SCY 46.99

22.67
24.32

Front half 22.67s · back half 24.32s

200 Freestyle SCY 1:43.57

23.56
25.85
26.80
27.36

Front half 49.41s · back half 54.16s

500 Freestyle SCY 4:49.33

25.71
28.71
29.52
29.60
29.87
29.52
29.69
29.92
29.63
27.16

Front half 143.41s · back half 145.92s

100 Backstroke SCY 57.92

27.84
30.08

Front half 27.84s · back half 30.08s

100 Butterfly SCY 58.84

26.85
31.99

Front half 26.85s · back half 31.99s

100 Individual Medley SCY 58.08

26.56
31.52

Front half 26.56s · back half 31.52s

200 Individual Medley SCY 2:04.63

26.15
32.66
38.25
27.57

Front half 58.81s · back half 65.82s

100 Freestyle LCM 54.28

26.06
28.22

Front half 26.06s · back half 28.22s

200 Freestyle LCM 2:03.90

28.91
31.75
32.88
30.36

Front half 60.66s · back half 63.24s

400 Freestyle LCM 4:28.24

30.07
33.62
34.25
34.49
35.24
34.86
34.89
30.82

Front half 132.43s · back half 135.81s

100 Backstroke LCM 1:08.76

33.29
35.47

Front half 33.29s · back half 35.47s

100 Breaststroke LCM 1:23.30

38.92
44.38

Front half 38.92s · back half 44.38s

100 Butterfly LCM 1:08.99

30.42
38.57

Front half 30.42s · back half 38.57s

Progression

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

50 Freestyle SCY 20.89 10 swims
100 Freestyle SCY 46.99 10 swims
200 Freestyle SCY 1:43.57 9 swims
500 Freestyle SCY 4:49.33 8 swims
50 Backstroke SCY 36.65 1 swim
100 Backstroke SCY 57.92 3 swims
50 Butterfly SCY 24.82 2 swims
100 Butterfly SCY 58.84 1 swim
100 Individual Medley SCY 58.08 1 swim
200 Individual Medley SCY 2:04.63 3 swims
50 Freestyle LCM 25.04 5 swims
100 Freestyle LCM 54.28 6 swims
200 Freestyle LCM 2:03.90 5 swims
400 Freestyle LCM 4:28.24 5 swims
100 Backstroke LCM 1:08.76 2 swims
50 Breaststroke LCM 35.28 1 swim
100 Breaststroke LCM 1:23.30 1 swim
50 Butterfly LCM 29.32 1 swim
100 Butterfly LCM 1:08.99 2 swims
200 Individual Medley LCM 2:29.87 2 swims