Matthew Karasek

Mage 17CZGUIAILLEMTOKWIILPPD

92 plausible swims · 15 meets · 2019-08-01 → 2026-05-16

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	20.59	AAAA	2025-01-01	2025 Speedo Winter Junior Championships - West
100 Freestyle	SCY	44.83	AAAA	2025-01-01	2025 Speedo Winter Junior Championships - West
200 Freestyle	SCY	1:44.59	AAA+3.10s to AAAA	2024-03-13	1466378
50 Backstroke	SCY	22.98	AAAA	2026-03-06	2026 SC Illinois Senior Championships - copi venue
100 Backstroke	SCY	48.12	AAAA	2025-01-01	2025 Speedo Winter Junior Championships - West
200 Backstroke	SCY	1:47.25	AAAA	2026-03-08	2026 SC Illinois Senior Championships - copi venue
100 Breaststroke	SCY	59.57	AA+0.18s to AAA	2024-03-13	1466378
100 Butterfly	SCY	50.81	AAA+1.22s to AAAA	2025-03-07	2025 SC Illinois Senior Championships venue
200 Individual Medley	SCY	1:50.67	AAAA	2026-03-07	2026 SC Illinois Senior Championships - copi venue
50 Freestyle	LCM	23.86	AAAA	2025-08-01	2025 Jrs Time Trials fast pool
100 Freestyle	LCM	52.47	AAAA	2025-07-31	2025 Speedo Junior National Championships fast pool
200 Freestyle	LCM	2:05.53	AA+3.34s to AAA	2024-07-26	2024 LC Illinois Senior Championships venue
50 Backstroke	LCM	26.62	AAAA	2025-07-30	2025 Speedo Junior National Championships fast pool
100 Backstroke	LCM	57.30	AAAA	2025-08-02	2025 Speedo Junior National Championships fast pool
200 Backstroke	LCM	2:13.06	AAA+4.37s to AAAA	2023-08-06	2023 Central Zone 14 & U Championship - KS slow pool
50 Breaststroke	LCM	42.25	+1.36s to B	2019-08-01	2019 WI Central Zone 14 & U Championship slow pool
100 Breaststroke	LCM	1:33.17	+5.08s to B	2019-08-02	2019 WI Central Zone 14 & U Championship slow pool
200 Individual Medley	LCM	2:15.26	AAA+5.27s to AAAA	2023-08-04	2023 Central Zone 14 & U Championship - KS slow pool

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

Leg	Course	Time	Start	Relay	Date	Meet
100 Freestyle	SCY	47.58	flat	400 Free Relay	2025-03-09	2025 SC Illinois Senior Championships
100 Backstroke	SCY	49.18	flat	400 Medley Relay	2026-03-07	2026 SC Illinois Senior Championships - copi
50 Freestyle	LCM	24.87	flat	200 Free Relay	2024-07-27	2024 LC Illinois Senior Championships
50 Backstroke	LCM	27.56	flat	200 Medley Relay	2024-07-28	2024 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

2015 points (2/6 events — incomplete)

Event	Time	Points
200 BK SCY	1:47.25	1018
200 IM SCY	1:50.67	997
500 FR SCY	—	0
200 BR SCY	—	0
200 FL SCY	—	0
400 IM SCY	—	0

IMR 17-18 · SCY

4655 points (5/5 events)

Event	Time	Points
200 FR SCY	1:44.59	879
100 BK SCY	48.12	1048
100 BR SCY	59.57	830
100 FL SCY	50.81	901
200 IM SCY	1:50.67	997

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

PR splits

200 Backstroke SCY 1:47.25

25.15

27.36

27.93

26.81

Front half 52.51s · back half 54.74s

100 Butterfly SCY 50.81

23.67

27.14

Front half 23.67s · back half 27.14s

200 Individual Medley SCY 1:50.67

24.11

27.18

33.26

26.12

Front half 51.29s · back half 59.38s

100 Freestyle LCM 52.47 RT 0.64s

25.52

26.95

Front half 25.52s · back half 26.95s

200 Freestyle LCM 2:05.53 RT 0.64s

27.35

31.28

33.20

33.70

Front half 58.63s · back half 66.90s

100 Backstroke LCM 57.30 RT 0.60s

27.33

29.97

Front half 27.33s · back half 29.97s

200 Backstroke LCM 2:13.06

31.14

33.77

34.22

33.93

Front half 64.91s · back half 68.15s

100 Breaststroke LCM 1:33.17

44.02

49.15

Front half 44.02s · back half 49.15s

200 Individual Medley LCM 2:15.26

29.34

35.56

39.91

30.45

Front half 64.90s · back half 70.36s

Reaction time

fastest 0.59s average 0.662s slowest 0.88s 32 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.

Progression

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

50 Freestyle SCY 20.59 7 swims

100 Freestyle SCY 44.83 3 swims

200 Freestyle SCY 1:44.59 2 swims

50 Backstroke SCY 22.98 2 swims

100 Backstroke SCY 48.12 10 swims

200 Backstroke SCY 1:47.25 6 swims

100 Breaststroke SCY 59.57 2 swims

100 Butterfly SCY 50.81 4 swims

200 Individual Medley SCY 1:50.67 4 swims

50 Freestyle LCM 23.86 11 swims

100 Freestyle LCM 52.47 9 swims

200 Freestyle LCM 2:05.53 1 swim

50 Backstroke LCM 26.62 6 swims

100 Backstroke LCM 57.30 11 swims

200 Backstroke LCM 2:13.06 6 swims

50 Breaststroke LCM 42.25 1 swim

100 Breaststroke LCM 1:33.17 1 swim

200 Individual Medley LCM 2:15.26 6 swims