swimstats

David Korzeniowski

Mage 17CTFLMRMTNEABFLEHY

489 plausible swims · 98 meets · 2017-02-19 → 2026-03-15

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 22.50 AA+0.41s to AAA·+0.11s to Sectionals 2023-03-09 2023 CT SC Age Group Championshipsvenue
100 Freestyle SCY 47.62 AAA+1.53s to AAAA·Sectionals ✓+1.23s to Futures 2025-12-18 2026 NE NSSC Senior Championships
200 Freestyle SCY 1:46.56 AA+0.17s to AAA·+0.27s to Sectionals 2024-03-07 - Time Trial Res Record: 21.67%2019 Katherine Douglass
500 Freestyle SCY 4:48.27 AAA+12.78s to AAAA·+0.88s to Sectionals 2024-03-07 - Time Trial Res Record: 21.67%2019 Katherine Douglass
1000 Freestyle SCY 10:38.73 A+6.74s to AA·+39.24s to Sectionals 2021-12-17 CT CAC Storrs Aquatics December T-F
1650 Freestyle SCY 17:21.71 AA+31.92s to AAA·+37.72s to Sectionals 2022-10-28 CT LEHY Aquafest Distance Meetvenue
50 Backstroke SCY 36.52 +5.33s to B·+12.83s to Futures 2018-12-02 CT 18-19 CDOG 10 & Under Quadrathonvenue
100 Backstroke SCY 56.82 A+1.93s to AA·+2.33s to Sectionals 2025-11-22 2025 NE ABF Nov Trials and Final Meetvenue
200 Backstroke SCY 2:04.27 A+4.28s to AA·+5.68s to Sectionals 2025-01-01 2025 ne abf oct specialty results
25 Breaststroke SCY 23.19 2017-02-19 CT 2017 8 & Under Finalevenue
50 Breaststroke SCY 27.26 AAA+0.27s to AAAA·+0.97s to Futures 2026-03-05 2026 SC Senior Championshipsvenue
100 Breaststroke SCY 55.34 AAAA·Winter JNs ✓+0.35s to Jr Nationals 2024-02-10 CT WHAT Feb Trials/Finalsvenue
200 Breaststroke SCY 2:10.67 AA+1.58s to AAA·Sectionals ✓+2.68s to Futures 2025-12-18 2026 NE NSSC Senior Championships
50 Butterfly SCY 25.05 AA+0.56s to AAA·+2.16s to Futures 2025-01-01 2025 ne abf oct specialty results
100 Butterfly SCY 54.00 AA+2.01s to AAA·+0.81s to Sectionals 2026-02-06 2026 NE CRA Last Chance February Invitational
200 Butterfly SCY 1:59.05 AA+2.16s to AAA·Sectionals ✓+5.36s to Futures 2024-12-12 2024 CT WHAT Wesleyan Winter Classicvenue
100 Individual Medley SCY 57.91 2024-10-12 CT FVYT Fun 25's for Everyonevenue
200 Individual Medley SCY 1:54.45 AAA+2.26s to AAAA·Sectionals ✓+0.56s to Futures 2025-12-18 2026 NE NSSC Senior Championships
400 Individual Medley SCY 4:06.01 AAA+4.52s to AAAA·Futures ✓+9.52s to Winter JNs 2025-12-18 2026 NE NSSC Senior Championships
50 Freestyle LCM 25.22 AAA+0.83s to AAAA·Sectionals ✓+0.63s to Futures 2024-07-14 071124ctswim senior results
100 Freestyle LCM 55.79 AA+0.20s to AAA·+0.30s to Sectionals 2025-01-01 2025 NE Swimming LC Senior Championships - Brown University, S#: NE25-0710CSvenue
200 Freestyle LCM 2:00.11 AAA+3.52s to AAAA·Sectionals ✓+2.32s to Futures 2024-07-31 2024 YMCA Long Course Championshipsvenue
400 Freestyle LCM 4:19.70 AAA+11.01s to AAAA·+2.11s to Sectionals 2024-07-14 071124ctswim senior results
800 Freestyle LCM 9:22.67 AA+21.18s to AAA·+24.28s to Sectionals 2022-07-16 CT RYWC LCM Senior Invitevenue
1500 Freestyle LCM 18:15.76 A+9.37s to AA·+56.77s to Sectionals 2023-05-12 CT WRAT LCM Senior Invitevenue
50 Backstroke LCM 45.79 +8.40s to B·+17.90s to Futures 2018-07-06 SLAC/LEHY Regional Championships 12&U
100 Backstroke LCM 1:05.41 A+0.72s to AA·+3.42s to Sectionals 2025-01-01 2025 ne sac america s cup results
200 Backstroke LCM 2:23.48 A+2.49s to AA·+8.69s to Sectionals 2025-06-12 GRIT Trials/Finals Meetvenue
50 Breaststroke LCM 32.56 AA+0.47s to AAA·+1.67s to Futures 2025-07-26 2025 TYR FUTURES MADISONvenue
100 Breaststroke LCM 1:10.40 AA+1.21s to AAA·+0.71s to Sectionals 2025-07-23 2025 TYR FUTURES MADISON TIME TRIALS
200 Breaststroke LCM 2:33.40 AA+2.41s to AAA·+0.81s to Sectionals 2025-01-01 2025 NE Swimming LC Senior Championships - Brown University, S#: NE25-0710CSvenue
50 Butterfly LCM 27.84 AA+0.15s to AAA·+1.55s to Futures 2025-07-24 2025 TYR FUTURES MADISONvenue
100 Butterfly LCM 1:02.50 A+0.11s to AA·+2.31s to Sectionals 2025-01-01 2025 ne sac america s cup results
200 Butterfly LCM 2:21.44 A+2.15s to AA·+5.15s to Sectionals 2022-01-01 2022 CT LC Age Group Championshipsvenue
200 Individual Medley LCM 2:12.02 AAA+2.03s to AAAA·Futures ✓+2.73s to Winter JNs 2025-01-01 2025 NE Swimming LC Senior Championships - Brown University, S#: NE25-0710CSvenue
400 Individual Medley LCM 4:47.23 AAA+8.14s to AAAA·Sectionals ✓+4.84s to Futures 2024-08-01 2024 YMCA Long Course Championshipsvenue

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

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 21.97 flat 200 Free Relay 2025-12-19 2026 NE NSSC Senior Championships
50 Freestyle SCY 21.65 flying 200 Free Relay (leg 3) 2025-12-20 2026 NE NSSC Senior Championships
100 Freestyle SCY 47.51 flying 400 Free Relay (leg 3) 2025-12-19 2026 NE NSSC Senior Championships
200 Freestyle SCY 1:45.55 flat 800 Free Relay 2025-12-18 2026 NE NSSC Senior Championships
50 Breaststroke SCY 27.39 flying 200 Medley Relay (leg 2) 2025-12-18 2026 NE NSSC Senior Championships
100 Breaststroke SCY 59.18 flying 400 Medley Relay (leg 2) 2025-12-21 2026 NE NSSC Senior Championships
50 Freestyle LCM 24.89 flying 200 Free Relay (leg 2) 2025-07-23 2025 TYR FUTURES MADISON
100 Freestyle LCM 54.73 flying 400 Free Relay (leg 2) 2025-07-13 2025 NE CS LCM Senior Championships
200 Freestyle LCM 2:04.34 flying 800 Free Relay (leg 2) 2025-07-10 2025 NE CS LCM Senior Championships
50 Breaststroke LCM 31.88 flying 200 Medley Relay (leg 2) 2025-07-23 2025 TYR FUTURES MADISON
100 Breaststroke LCM 1:12.41 flying 400 Medley Relay (leg 2) 2025-07-26 2025 TYR FUTURES MADISON

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

4895 points (6/6 events)

EventTime Points
500 FR SCY 4:48.27 843
200 BK SCY 2:04.27 654
200 BR SCY 2:10.67 807
200 FL SCY 1:59.05 784
200 IM SCY 1:54.45 902
400 IM SCY 4:06.01 905

IMR 17-18 · SCY

4156 points (5/5 events)

EventTime Points
200 FR SCY 1:46.56 831
100 BK SCY 56.82 637
100 BR SCY 55.34 1035
100 FL SCY 54.00 751
200 IM SCY 1:54.45 902

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

PR splits

100 Freestyle SCY 47.62 split/total mismatch

22.86
1.90

Front half 22.86s · back half 24.76s

200 Freestyle SCY 1:46.56

25.03
27.46
27.48
26.59

Front half 52.49s · back half 54.07s

500 Freestyle SCY 4:48.27

25.31
28.03
28.84
29.16
29.40
29.83
29.83
29.76
29.71
28.40

Front half 140.74s · back half 147.53s

1000 Freestyle SCY 10:38.73 split/total mismatch

139.38
168.72
198.06
227.45
27.48
59.73
92.59
125.05
256.95
286.39
315.71
345.38
157.97
190.57
222.77
255.29
375.10
404.89
435.09
465.07
287.80
320.36
353.27
386.27
494.88
524.61
554.08
581.77
418.47
450.98
483.08
514.91

1650 Freestyle SCY 17:21.71 split/total mismatch

757.21
787.56
818.03
848.61
27.72
58.50
89.55
121.25
879.18
909.27
939.36
969.98
997.43
153.33
185.53
217.73
250.04

100 Backstroke SCY 56.82

27.66
29.16

Front half 27.66s · back half 29.16s

200 Backstroke SCY 2:04.27 split/total mismatch

29.51
31.34
31.95
31.47

200 Breaststroke SCY 2:10.67 split/total mismatch

28.63
33.01
34.57
34.46

100 Butterfly SCY 54.00 split/total mismatch

25.16
3.68

Front half 25.16s · back half 28.84s

100 Individual Medley SCY 57.91 split/total mismatch

27.75
2.41

Front half 27.75s · back half 30.16s

200 Individual Medley SCY 1:54.45 split/total mismatch

24.80
29.25
33.23
27.17

400 Individual Medley SCY 4:06.01 split/total mismatch

26.08
29.65
31.88
31.57
34.37
35.28
29.16
28.02

100 Freestyle LCM 55.79 split/total mismatch

26.51
2.77

Front half 26.51s · back half 29.28s

200 Freestyle LCM 2:00.11

27.90
30.85
31.33
30.03

Front half 58.75s · back half 61.36s

400 Freestyle LCM 4:19.70 split/total mismatch

29.50
32.90
34.10
34.34
28.99
32.38
33.88
33.99
34.42
34.11
33.79
32.31
34.10
33.99
34.14
28.23

800 Freestyle LCM 9:22.67 split/total mismatch

31.22
67.20
103.69
141.01
32.16
65.97
100.74
135.36
177.67
214.85
250.64
284.38
170.22
205.04
240.23
275.55

100 Breaststroke LCM 1:10.40

32.60
37.80

Front half 32.60s · back half 37.80s

200 Breaststroke LCM 2:33.40 split/total mismatch

34.08
5.07
0.04
1.79

Front half 39.15s · back half 114.25s

200 Individual Medley LCM 2:12.02 split/total mismatch

28.33
34.29
38.66
30.74

400 Individual Medley LCM 4:47.23 RT 0.71s

28.42
34.58
37.83
36.98
41.04
41.75
34.09
32.54

Front half 137.81s · back half 149.42s

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 22.50 12 swims
100 Freestyle SCY 47.62 41 swims
200 Freestyle SCY 1:46.56 26 swims
500 Freestyle SCY 4:48.27 10 swims
1000 Freestyle SCY 10:38.73 1 swim
1650 Freestyle SCY 17:21.71 1 swim
50 Backstroke SCY 36.52 1 swim
100 Backstroke SCY 56.82 14 swims
200 Backstroke SCY 2:04.27 7 swims
25 Breaststroke SCY 23.19 2 swims
50 Breaststroke SCY 27.26 25 swims
100 Breaststroke SCY 55.34 41 swims
200 Breaststroke SCY 2:10.67 27 swims
50 Butterfly SCY 25.05 15 swims
100 Butterfly SCY 54.00 22 swims
200 Butterfly SCY 1:59.05 10 swims
100 Individual Medley SCY 57.91 7 swims
200 Individual Medley SCY 1:54.45 47 swims
400 Individual Medley SCY 4:06.01 20 swims
50 Freestyle LCM 25.22 13 swims
100 Freestyle LCM 55.79 13 swims
200 Freestyle LCM 2:00.11 22 swims
400 Freestyle LCM 4:19.70 8 swims
800 Freestyle LCM 9:22.67 2 swims
1500 Freestyle LCM 18:15.76 1 swim
50 Backstroke LCM 45.79 1 swim
100 Backstroke LCM 1:05.41 5 swims
200 Backstroke LCM 2:23.48 3 swims
50 Breaststroke LCM 32.56 6 swims
100 Breaststroke LCM 1:10.40 20 swims
200 Breaststroke LCM 2:33.40 15 swims
50 Butterfly LCM 27.84 1 swim
100 Butterfly LCM 1:02.50 6 swims
200 Butterfly LCM 2:21.44 6 swims
200 Individual Medley LCM 2:12.02 24 swims
400 Individual Medley LCM 4:47.23 13 swims