Alex Karpenko

Mage 16IEMTORPNUTKINGUPAC

180 plausible swims · 29 meets · 2021-06-26 → 2026-06-30

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	22.32	AAA+0.93s to AAAA	2025-10-18	2025 PN VAST Fall Classic venue
100 Freestyle	SCY	48.32	AAA+1.53s to AAAA	2025-10-19	2025 PN VAST Fall Classic venue
200 Freestyle	SCY	1:44.99	AAA+2.80s to AAAA	2025-12-19	2025 WA State Senior SC Champs- APPROVED venue
500 Freestyle	SCY	4:51.88	AA+0.79s to AAA	2025-10-19	2025 PN VAST Fall Classic venue
1000 Freestyle	SCY	10:30.63	AA+24.24s to AAA	2024-10-18	2024 THSC Fall Invitational venue
100 Backstroke	SCY	56.12	A+0.43s to AA	2025-01-19	2025 PN VAST 48th Annual Washington Open venue
200 Backstroke	SCY	2:05.30	A+3.31s to AA	2025-01-17	2025 Washington Open venue
50 Breaststroke	SCY	33.19	BB+1.70s to A	2024-04-13	2024 PN UPAC Mark Olson Invitational venue
100 Breaststroke	SCY	1:02.52	AA+2.03s to AAA	2025-11-08	2025 THSC November Open venue
200 Breaststroke	SCY	2:08.34	AAA+3.05s to AAAA	2025-12-20	2025 WA State Senior SC Champs- APPROVED venue
25 Butterfly	SCY	12.07		2024-02-11	2024 PN UPAC 3rd Annual February Fly-In Invit venue
50 Butterfly	SCY	24.89	AAA+1.10s to AAAA	2024-10-25	2024 PN VAST-KING October Dual Meet venue
100 Butterfly	SCY	52.60	AAA+2.11s to AAAA	2025-11-09	2025 THSC November Open venue
200 Butterfly	SCY	1:53.08	AAAA	2025-12-20	2025 WA State Senior SC Champs- APPROVED venue
100 Individual Medley	SCY	58.35		2024-04-14	2024 PN UPAC Mark Olson Invitational venue
200 Individual Medley	SCY	1:54.15	AAA+0.66s to AAAA	2025-12-21	2025 WA State Senior SC Champs- APPROVED venue
400 Individual Medley	SCY	4:01.93	AAAA	2025-11-07	2025 THSC November Open venue
50 Freestyle	LCM	25.40	AAA+0.61s to AAAA	2026-06-06	2026 PN VAST Summer Sprint & Dist. - Approved venue
100 Freestyle	LCM	56.03	AAA+2.14s to AAAA	2025-04-27	2025 PN KING Spring Derby venue
200 Freestyle	LCM	2:04.55	AA+0.96s to AAA	2025-04-27	2025 PN KING Spring Derby venue
400 Freestyle	LCM	4:20.65	AAA+8.96s to AAAA	2025-07-19	2025 Speedo Sectionals - Mt Hood WZ venue
800 Freestyle	LCM	9:03.02	AAA+21.33s to AAAA	2025-07-17	2025 Speedo Sectionals - Mt Hood WZ venue
50 Backstroke	LCM	41.73	+3.84s to B	2021-06-26	2021 IE VS Starlight Open slow pool
100 Backstroke	LCM	1:06.34	A+1.05s to AA	2024-06-01	2024 PN VAST Summer Sprints and Distance Chal venue
50 Breaststroke	LCM	49.64	+7.75s to B	2021-06-27	2021 IE VS Starlight Open slow pool
100 Breaststroke	LCM	1:14.83	A+1.04s to AA	2025-05-18	2025 PN IST Sockeye Springtime Madness venue
200 Breaststroke	LCM	2:41.65	A+1.16s to AA	2026-05-16	2026 PN IST Sockeye Springtime Madness App. venue
50 Butterfly	LCM	39.37	+3.48s to B	2021-06-26	2021 IE VS Starlight Open slow pool
100 Butterfly	LCM	1:00.53	AA+0.04s to AAA	2026-06-06	2026 PN VAST Summer Sprint & Dist. - Approved venue
200 Butterfly	LCM	2:20.47	AA+5.08s to AAA	2025-04-27	2025 PN KING Spring Derby venue
200 Individual Medley	LCM	2:13.43	AAA+1.04s to AAAA	2026-06-06	2026 PN VAST Summer Sprint & Dist. - Approved venue
400 Individual Medley	LCM	4:39.31	AAAA	2025-07-18	2025 Speedo Sectionals - Mt Hood WZ venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 16.

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
50 Freestyle	SCY	23.16	flat	200 Free Relay	2024-03-23	2024 Northwest Region Age Group Regionals
100 Freestyle	SCY	49.76	flat	400 Free Relay	2024-03-21	2024 Northwest Region Age Group Regionals
50 Backstroke	SCY	25.92	flat	200 Medley Relay	2024-04-03	2024 Western Zone SCY Senior Zones
50 Butterfly	SCY	25.62	flying	200 Medley Relay (leg 3)	2024-03-22	2024 Northwest Region Age Group Regionals
100 Butterfly	SCY	55.97	flying	400 Medley Relay (leg 3)	2024-03-23	2024 Northwest Region Age Group Regionals
50 Butterfly	LCM	22.94	flying	200 Medley Relay (leg 3)	2021-06-27	2021 IE VS Starlight Open

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 15-16 · SCY

5425 points (6/6 events)

Event	Time	Points
500 FR SCY	4:51.88	848
200 BK SCY	2:05.30	689
200 BR SCY	2:08.34	930
200 FL SCY	1:53.08	989
200 IM SCY	1:54.15	974
400 IM SCY	4:01.93	995

IMR 15-16 · SCY

4290 points (5/5 events)

Event	Time	Points
200 FR SCY	1:44.99	916
100 BK SCY	56.12	736
100 BR SCY	1:02.52	785
100 FL SCY	52.60	879
200 IM SCY	1:54.15	974

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

PR splits

100 Freestyle SCY 48.32 RT 0.58s

23.42

24.90

Front half 23.42s · back half 24.90s

200 Freestyle SCY 1:44.99

24.03

26.39

26.98

27.59

Front half 50.42s · back half 54.57s

500 Freestyle SCY 4:51.88 RT 0.65s

26.86

29.58

29.99

30.15

29.97

29.56

29.85

29.63

29.58

26.71

Front half 146.55s · back half 145.33s

1000 Freestyle SCY 10:30.63

26.75

30.13

31.02

31.32

31.48

31.52

31.49

31.70

31.93

31.82

31.98

31.27

32.18

32.15

32.12

32.27

33.08

32.79

32.45

31.18

Front half 309.16s · back half 321.47s

100 Backstroke SCY 56.12 RT 0.89s

27.29

28.83

Front half 27.29s · back half 28.83s

200 Backstroke SCY 2:05.30 RT 0.86s

29.31

32.23

32.42

31.34

Front half 61.54s · back half 63.76s

100 Breaststroke SCY 1:02.52

29.57

32.95

Front half 29.57s · back half 32.95s

200 Breaststroke SCY 2:08.34 RT 0.65s

29.10

32.58

32.92

33.74

Front half 61.68s · back half 66.66s

100 Butterfly SCY 52.60

24.71

27.89

Front half 24.71s · back half 27.89s

200 Butterfly SCY 1:53.08 RT 0.64s

25.24

28.43

29.42

29.99

Front half 53.67s · back half 59.41s

100 Individual Medley SCY 58.35

26.94

31.41

Front half 26.94s · back half 31.41s

200 Individual Medley SCY 1:54.15 RT 0.68s

24.74

28.26

33.77

27.38

Front half 53.00s · back half 61.15s

400 Individual Medley SCY 4:01.93

25.36

29.01

32.00

31.21

34.00

34.90

28.70

26.75

Front half 117.58s · back half 124.35s

100 Freestyle LCM 56.03 RT 0.65s

26.74

29.29

Front half 26.74s · back half 29.29s

200 Freestyle LCM 2:04.55

29.31

31.97

32.86

30.41

Front half 61.28s · back half 63.27s

400 Freestyle LCM 4:20.65

61.62

67.47

66.43

65.13

Front half 129.09s · back half 131.56s

800 Freestyle LCM 9:03.02

29.90

33.11

33.91

34.15

34.51

34.28

34.82

34.32

34.88

34.57

35.03

34.29

34.78

34.35

33.99

32.13

Front half 269.00s · back half 274.02s

200 Breaststroke LCM 2:41.65 RT 0.66s· 18.7 min after 50 Freestyle

77.13

84.52

Front half 77.13s · back half 84.52s

200 Butterfly LCM 2:20.47 RT 0.66s

30.86

36.14

36.36

37.11

Front half 67.00s · back half 73.47s

200 Individual Medley LCM 2:13.43 RT 0.69s· 50.8 min after 50 Freestyle

63.10

70.33

Front half 63.10s · back half 70.33s

400 Individual Medley LCM 4:39.31

29.09

32.97

37.67

36.65

39.65

39.76

32.11

31.41

Front half 136.38s · back half 142.93s

Reaction time

fastest 0.42s average 0.605s slowest 0.95s 98 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 22.32 8 swims

100 Freestyle SCY 48.32 15 swims

200 Freestyle SCY 1:44.99 13 swims

500 Freestyle SCY 4:51.88 4 swims

1000 Freestyle SCY 10:30.63 1 swim

100 Backstroke SCY 56.12 4 swims

200 Backstroke SCY 2:05.30 3 swims

50 Breaststroke SCY 33.19 1 swim

100 Breaststroke SCY 1:02.52 4 swims

200 Breaststroke SCY 2:08.34 6 swims

25 Butterfly SCY 12.07 1 swim

50 Butterfly SCY 24.89 3 swims

100 Butterfly SCY 52.60 6 swims

200 Butterfly SCY 1:53.08 13 swims

100 Individual Medley SCY 58.35 1 swim

200 Individual Medley SCY 1:54.15 19 swims

400 Individual Medley SCY 4:01.93 15 swims

50 Freestyle LCM 25.40 9 swims

100 Freestyle LCM 56.03 8 swims

200 Freestyle LCM 2:04.55 6 swims

400 Freestyle LCM 4:20.65 3 swims

800 Freestyle LCM 9:03.02 2 swims

50 Backstroke LCM 41.73 1 swim

100 Backstroke LCM 1:06.34 1 swim

50 Breaststroke LCM 49.64 1 swim

100 Breaststroke LCM 1:14.83 2 swims

200 Breaststroke LCM 2:41.65 1 swim

50 Butterfly LCM 39.37 1 swim

100 Butterfly LCM 1:00.53 6 swims

200 Butterfly LCM 2:20.47 3 swims

200 Individual Medley LCM 2:13.43 12 swims

400 Individual Medley LCM 4:39.31 7 swims