David Mazurek

Mage 17CZILWIGSCNTA

23 plausible swims · 7 meets · 2024-03-07 → 2026-07-12

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 21.85 AAA+0.76s to AAAA·Sectionals ✓+0.56s to Futures 2026-03-07 2026 SC Illinois Senior Championships - copivenue
100 Freestyle SCY 47.63 AAA+1.54s to AAAA·Sectionals ✓+1.24s to Futures 2026-03-08 2026 SC Illinois Senior Championships - copivenue
200 Freestyle SCY 1:48.17 AA+1.78s to AAA·+0.68s to Sectionals 2026-03-06 2026 SC Illinois Senior Championships - copivenue
500 Freestyle SCY 5:09.26 A+7.57s to AA·+16.37s to Sectionals 2024-03-10 2024 IL Swimming SC Age Group Championshipsslow pool
1000 Freestyle SCY 10:34.47 A+2.48s to AA·+25.98s to Sectionals 2024-03-09 2024 IL Swimming SC Age Group Championshipsslow pool
1650 Freestyle SCY 17:42.60 A+6.91s to AA·+37.61s to Sectionals 2024-03-07 2024 IL Swimming SC Age Group Championshipsslow pool
50 Freestyle LCM 25.71 AA+0.22s to AAA·Sectionals ✓+1.12s to Futures 2026-07-09 2024 Speedo Grand Chalenge
100 Freestyle LCM 56.88 AA+1.29s to AAA·+0.29s to Sectionals 2026-07-09 2024 Speedo Grand Chalenge
200 Freestyle LCM 2:09.76 A+2.07s to AA·+6.27s to Sectionals 2026-07-09 2024 Speedo Grand Chalenge
400 Freestyle LCM 5:13.65 B+5.76s to BB·+51.46s to Sectionals 2024-04-21 2024 April Long Course Openslow pool
800 Freestyle LCM 9:27.06 A+0.87s to AA·+16.27s to Sectionals 2025-07-31 2025 LC Illinois Senior Championshipsvenue
1500 Freestyle LCM 18:34.96 A+28.57s to AA·+54.97s to Sectionals 2025-08-03 2025 LC Illinois Senior Championshipsvenue
100 Backstroke LCM 1:15.74 B+2.65s to BB·+11.35s to Sectionals 2024-04-21 2024 April Long Course Openslow pool

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.

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 21.15 flying 200 Free Relay (leg 2) 2026-03-07 2026 SC Illinois Senior Championships - copi
50 Freestyle SCY 20.57 flying 200 Medley Relay (leg 4) 2026-03-08 2026 SC Illinois Senior Championships - copi
100 Freestyle SCY 47.53 flying 400 Medley Relay (leg 4) 2026-03-07 2026 SC Illinois Senior Championships - copi
100 Freestyle SCY 46.61 flying 400 Free Relay (leg 4) 2026-03-08 2026 SC Illinois Senior Championships - copi
50 Breaststroke SCY 33.92 flying 200 Medley Relay (leg 2) 2024-07-13 2024 IL HPAC Summer Regional Championships
50 Freestyle LCM 25.75 flying 200 Free Relay (leg 2) 2025-08-02 2025 LC Illinois Senior Championships
100 Freestyle LCM 58.33 flat 400 Free Relay 2025-08-03 2025 LC Illinois Senior Championships

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

683 points (1/6 events — incomplete)

EventTime Points
500 FR SCY 5:09.26 683
200 BK SCY 0
200 BR SCY 0
200 FL SCY 0
200 IM SCY 0
400 IM SCY 0

IMR 17-18 · LCM

1143 points (2/5 events — incomplete)

EventTime Points
200 FR LCM 2:09.76 690
100 BK LCM 1:15.74 453
100 BR LCM 0
100 FL LCM 0
200 IM 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 47.63

23.03
24.60

Front half 23.03s · back half 24.60s

200 Freestyle SCY 1:48.17

24.10
26.78
28.52
28.77

Front half 50.88s · back half 57.29s

500 Freestyle SCY 5:09.26

26.91
29.80
30.45
31.40
31.40
31.94
31.82
32.39
32.42
30.73

Front half 149.96s · back half 159.30s

1000 Freestyle SCY 10:34.47

27.88
30.42
31.07
31.68
31.93
32.31
32.46
32.66
32.58
32.31
32.76
32.37
32.16
32.38
32.05
32.12
31.95
32.33
31.48
29.57

Front half 315.30s · back half 319.17s

1650 Freestyle SCY 17:42.60

28.33
30.91
32.69
32.49
32.79
32.70
32.31
32.65
32.33
32.55
32.62
32.70
32.75
32.58
32.37
32.76
32.95
32.34
32.90
32.41
32.15
31.81
32.17
32.51
32.22
32.23
32.82
32.00
31.79
31.71
31.99
32.29
30.78

100 Freestyle LCM 56.88 RT 0.68ssplit/total mismatch

26.68
3.52

Front half 26.68s · back half 30.20s

200 Freestyle LCM 2:09.76 split/total mismatch

29.26
2.76
2.19
0.06

Front half 32.02s · back half 97.74s

400 Freestyle LCM 5:13.65

33.18
39.26
40.80
42.19
41.09
40.88
39.85
36.40

Front half 155.43s · back half 158.22s

800 Freestyle LCM 9:27.06 RT 0.74s

29.60
70.03
36.49
36.23
36.62
36.23
35.80
36.04
37.01
36.55
37.43
36.64
34.54
34.13
33.72

1500 Freestyle LCM 18:34.96 RT 0.72s

30.37
35.92
36.99
36.87
37.85
36.82
37.26
37.33
37.64
37.17
37.82
37.64
37.93
37.65
37.86
37.62
38.28
37.07
37.57
37.14
38.14
37.35
37.80
38.13
38.46
36.77
38.05
37.55
36.81
35.10

Front half 553.12s · back half 561.84s

100 Backstroke LCM 1:15.74

36.71
39.03

Front half 36.71s · back half 39.03s

Reaction time

fastest 0.68s average 0.699s slowest 0.74s 7 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 21.85 3 swims
100 Freestyle SCY 47.63 2 swims
200 Freestyle SCY 1:48.17 2 swims
500 Freestyle SCY 5:09.26 2 swims
1000 Freestyle SCY 10:34.47 1 swim
1650 Freestyle SCY 17:42.60 1 swim
50 Freestyle LCM 25.71 4 swims
100 Freestyle LCM 56.88 2 swims
200 Freestyle LCM 2:09.76 2 swims
400 Freestyle LCM 5:13.65 1 swim
800 Freestyle LCM 9:27.06 1 swim
1500 Freestyle LCM 18:34.96 1 swim
100 Backstroke LCM 1:15.74 1 swim