Marcus Nakajima

Mage 17ORPNSIBAACUNVSST

107 plausible swims · 22 meets · 2024-03-22 → 2026-03-22

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	24.54	BB+0.45s to A	2026-03-21	2026 OSI Arena RegionXII SC Championships venue
100 Freestyle	SCY	55.11	BB+2.52s to A	2026-01-18	2026 PN VAST 49th Annual Washington Open- APP venue
200 Freestyle	SCY	2:07.98	B+2.29s to BB	2025-10-19	2025 CST Harvest Open venue
500 Freestyle	SCY	5:54.06	B+12.97s to BB	2025-10-17	2025 CST Harvest Open venue
100 Backstroke	SCY	1:08.39	+1.60s to B	2025-10-19	2025 CST Harvest Open venue
200 Backstroke	SCY	2:36.70	+10.61s to B	2024-10-11	2024 OR HEAT Fall Invitational
50 Breaststroke	SCY	35.50	B+2.11s to BB	2025-10-19	2025 CST Harvest Open venue
100 Breaststroke	SCY	1:17.86	+2.37s to B	2024-10-19	2024 THSC Fall Invitational venue
50 Butterfly	SCY	27.69	BB+1.00s to A	2026-03-21	2026 OSI Arena RegionXII SC Championships venue
100 Butterfly	SCY	1:00.52	BB+3.83s to A	2026-01-17	2026 PN VAST 49th Annual Washington Open- APP venue
200 Butterfly	SCY	2:12.90	BB+5.41s to A	2024-12-07	2024 Oregon Senior Open venue
200 Individual Medley	SCY	2:14.27	BB+6.08s to A	2026-01-15	2026 PN VAST 49th Annual Washington Open- APP
400 Individual Medley	SCY	5:11.50	B+12.51s to BB	2025-11-07	2025 McSwimville Invitational venue
50 Freestyle	LCM	28.24	BB+0.45s to A	2025-07-11	2025 Seth Dawson venue
100 Freestyle	LCM	1:02.82	BB+2.23s to A	2025-07-13	2025 Seth Dawson venue
200 Freestyle	LCM	2:27.17	B+2.78s to BB	2025-04-19	2025 MAC LONG-COURSE INVITATIONAL venue
400 Freestyle	LCM	5:47.08	+15.49s to B	2025-05-30	LA OPEN 2025
800 Freestyle	LCM	11:03.36	B+23.37s to BB	2025-04-18	2025 MAC LONG-COURSE INVITATIONAL venue
200 Backstroke	LCM	2:52.89	+1.30s to B	2025-05-31	LA OPEN 2025 venue
50 Breaststroke	LCM	41.64	+0.75s to B	2025-06-27	2025 Howard Jones Open venue
100 Breaststroke	LCM	1:30.37	+2.28s to B	2025-06-01	LA OPEN 2025 venue
50 Butterfly	LCM	32.28	BB+2.09s to A	2025-06-29	2025 Howard Jones Open venue
100 Butterfly	LCM	1:09.30	BB+4.11s to A	2025-07-12	2025 Seth Dawson venue
200 Butterfly	LCM	2:31.98	BB+6.59s to A	2025-07-13	2025 Seth Dawson venue
200 Individual Medley	LCM	2:47.97	B+7.08s to BB	2025-06-01	LA OPEN 2025 venue
400 Individual Medley	LCM	5:58.65	B+13.06s to BB	2025-05-30	LA OPEN 2025 venue

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

Fastest relay legs

Leg	Course	Time	Start	Relay	Date	Meet
50 Freestyle	SCY	24.61	flying	200 Free Relay (leg 3)	2024-03-23	2024 Northwest Region Age Group Regionals
50 Freestyle	SCY	24.83	flying	200 Medley Relay (leg 4)	2024-03-22	2024 Northwest Region Age Group Regionals
100 Freestyle	SCY	55.11	flying	400 Free Relay (leg 2)	2025-03-15	2025 OSI Arena Senior SC Championships
100 Freestyle	SCY	55.89	flying	400 Medley Relay (leg 4)	2024-03-23	2024 Northwest Region Age Group Regionals
50 Butterfly	SCY	27.31	flying	200 Medley Relay (leg 3)	2025-03-14	2025 OSI Arena Senior SC 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

2347 points (5/6 events — incomplete)

Event	Time	Points
500 FR SCY	5:54.06	455
200 BK SCY	2:36.70	326
200 FL SCY	2:12.90	563
200 IM SCY	2:14.27	558
400 IM SCY	5:11.50	445
200 BR SCY	—	0

IMR 17-18 · SCY

2306 points (5/5 events)

Event	Time	Points
200 FR SCY	2:07.98	479
100 BK SCY	1:08.39	365
100 BR SCY	1:17.86	371
100 FL SCY	1:00.52	533
200 IM SCY	2:14.27	558

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

PR splits

100 Freestyle SCY 55.11

26.59

28.52

Front half 26.59s · back half 28.52s

200 Freestyle SCY 2:07.98

29.29

32.81

33.04

32.84

Front half 62.10s · back half 65.88s

500 Freestyle SCY 5:54.06

30.92

34.20

35.01

36.17

35.42

36.37

36.55

36.65

37.08

35.69

Front half 171.72s · back half 182.34s

100 Backstroke SCY 1:08.39

33.26

35.13

Front half 33.26s · back half 35.13s

100 Breaststroke SCY 1:17.86

36.63

41.23

Front half 36.63s · back half 41.23s

100 Butterfly SCY 1:00.52 RT 0.67s

27.48

33.04

Front half 27.48s · back half 33.04s

200 Butterfly SCY 2:12.90

30.23

33.58

34.40

34.69

Front half 63.81s · back half 69.09s

200 Individual Medley SCY 2:14.27

29.69

33.36

34.86

36.36

Front half 63.05s · back half 71.22s

400 Individual Medley SCY 5:11.50

30.15

35.29

39.38

40.49

45.64

46.87

37.73

35.95

Front half 145.31s · back half 166.19s

100 Freestyle LCM 1:02.82

29.39

33.43

Front half 29.39s · back half 33.43s

200 Freestyle LCM 2:27.17

70.89

76.28

Front half 70.89s · back half 76.28s

800 Freestyle LCM 11:03.36

76.61

82.79

84.65

85.15

86.00

84.08

82.03

82.05

Front half 329.20s · back half 334.16s

200 Backstroke LCM 2:52.89

40.80

43.74

44.38

43.97

Front half 84.54s · back half 88.35s

100 Breaststroke LCM 1:30.37

42.40

47.97

Front half 42.40s · back half 47.97s

100 Butterfly LCM 1:09.30

32.94

36.36

Front half 32.94s · back half 36.36s

200 Butterfly LCM 2:31.98

34.97

38.38

39.59

39.04

Front half 73.35s · back half 78.63s

200 Individual Medley LCM 2:47.97

33.12

44.22

52.07

38.56

Front half 77.34s · back half 90.63s

400 Individual Medley LCM 5:58.65

36.19

41.13

47.67

46.15

53.33

52.67

42.34

39.17

Front half 171.14s · back half 187.51s

Reaction time

fastest 0.45s average 0.600s slowest 0.67s 4 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 24.54 9 swims

100 Freestyle SCY 55.11 9 swims

200 Freestyle SCY 2:07.98 8 swims

500 Freestyle SCY 5:54.06 1 swim

100 Backstroke SCY 1:08.39 4 swims

200 Backstroke SCY 2:36.70 2 swims

50 Breaststroke SCY 35.50 1 swim

100 Breaststroke SCY 1:17.86 1 swim

50 Butterfly SCY 27.69 3 swims

100 Butterfly SCY 1:00.52 12 swims

200 Butterfly SCY 2:12.90 12 swims

200 Individual Medley SCY 2:14.27 2 swims

400 Individual Medley SCY 5:11.50 1 swim

50 Freestyle LCM 28.24 5 swims

100 Freestyle LCM 1:02.82 7 swims

200 Freestyle LCM 2:27.17 2 swims

400 Freestyle LCM 5:47.08 1 swim

800 Freestyle LCM 11:03.36 1 swim

200 Backstroke LCM 2:52.89 1 swim

50 Breaststroke LCM 41.64 2 swims

100 Breaststroke LCM 1:30.37 2 swims

50 Butterfly LCM 32.28 3 swims

100 Butterfly LCM 1:09.30 8 swims

200 Butterfly LCM 2:31.98 8 swims

200 Individual Medley LCM 2:47.97 1 swim

400 Individual Medley LCM 5:58.65 1 swim