Matthew Choi

Mage 13CASESITMEC

178 plausible swims · 29 meets · 2024-06-22 → 2026-06-28

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	26.91	BB+0.22s to A	2026-03-21	2026 CA CHAWP BB/B/C Short Course Meet - venue
100 Freestyle	SCY	57.67	A+2.18s to AA	2026-03-22	2026 CA CHAWP BB/B/C Short Course Meet - venue
200 Freestyle	SCY	2:06.41	A+5.02s to AA	2026-03-21	2026 CA CHAWP BB/B/C Short Course Meet - venue
500 Freestyle	SCY	5:41.68	A+14.19s to AA	2026-02-01	2026 CA Eastern Committee Winter SCY Champs fast pool
1000 Freestyle	SCY	11:26.15	A+8.56s to AA	2026-03-07	2026 CA FAC A/BB/B Age Group Champs Qualifier venue
1650 Freestyle	SCY	19:15.24	A+15.55s to AA	2026-01-31	2026 CA Eastern Committee Winter SCY Champs fast pool
50 Backstroke	SCY	32.77	BB+2.38s to A	2025-12-20	2025 SI Winter Age Group Championships venue
100 Backstroke	SCY	1:11.83	B+2.74s to BB	2025-11-16	2025 CA TMEC Veterans' Day Classic SCY fast pool
200 Backstroke	SCY	2:31.45	B+0.86s to BB	2026-03-22	2026 CA CHAWP BB/B/C Short Course Meet - venue
50 Breaststroke	SCY	46.63	+6.14s to B	2024-06-23	2024 CA CHS June SC Sharkfest BB,B, C slow pool
100 Breaststroke	SCY	1:30.81	+6.52s to B	2025-11-15	2025 CA TMEC Veterans' Day Classic SCY fast pool
50 Butterfly	SCY	30.04	BB+0.35s to A	2026-02-01	2026 CA Eastern Committee Winter SCY Champs fast pool
100 Butterfly	SCY	1:07.01	BB+3.82s to A	2026-03-22	2026 CA CHAWP BB/B/C Short Course Meet - venue
200 Butterfly	SCY	2:31.19	BB+9.50s to A	2025-12-07	2025 CA CCAQ WAG Qualifier venue
100 Individual Medley	SCY	1:13.39		2025-11-16	2025 CA TMEC Veterans' Day Classic SCY fast pool
200 Individual Medley	SCY	2:36.06	B+3.17s to BB	2025-09-28	2025 CA RAA AB/C SC Meet venue
50 Freestyle	LCM	29.92	A+0.63s to AA	2026-06-26	2026 SE Richard Quick Invitational
100 Freestyle	LCM	1:06.55	A+2.26s to AA	2026-06-26	2026 SE Richard Quick Invitational
200 Freestyle	LCM	2:22.22	A+2.53s to AA	2026-06-06	2026 CA YST A/BB/B LC Meet venue
400 Freestyle	LCM	5:03.71	A+8.02s to AA	2026-06-07	2026 CA YST A/BB/B LC Meet venue
800 Freestyle	LCM	10:34.49	A+17.30s to AA	2026-06-14	ARMADA-2026 SCS June AG Invite venue
1500 Freestyle	LCM	19:40.59	AA+50.00s to AAA	2026-06-26	2026 SE Richard Quick Invitational
50 Backstroke	LCM	38.41	B+0.12s to BB	2026-04-12	2026 CA YST LC A/BB/B 13 & up C Meet venue
100 Backstroke	LCM	1:21.71	B+0.62s to BB	2026-06-06	2026 CA YST A/BB/B LC Meet venue
50 Butterfly	LCM	33.63	BB+0.14s to A	2026-06-26	2026 SE Richard Quick Invitational
100 Butterfly	LCM	1:17.57	BB+5.48s to A	2026-06-07	2026 CA YST A/BB/B LC Meet venue
200 Butterfly	LCM	2:50.57	BB+8.58s to A	2026-06-12	ARMADA-2026 SCS June AG Invite venue
200 Individual Medley	LCM	2:52.02	BB+8.83s to A	2026-06-07	2026 CA YST A/BB/B LC Meet venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 13.

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	33.59	flat	200 Free Relay	2024-06-23	2024 CA CHS June SC Sharkfest BB,B, C
50 Freestyle	SCY	32.29	flying	200 Medley Relay (leg 4)	2024-06-22	2024 CA CHS June SC Sharkfest BB,B, C
50 Freestyle	SCY	23.20	flying	200 Free Relay (leg 4)	2026-02-01	2026 CA Eastern Committee Winter SCY Champs
100 Freestyle	SCY	1:00.53	flying	400 Free Relay (leg 2)	2025-12-20	2025 SI Winter Age Group Championships
50 Butterfly	SCY	30.14	flying	200 Medley Relay (leg 3)	2026-01-31	2026 CA Eastern Committee Winter SCY Champs
50 Freestyle	LCM	31.62	flying	200 Free Relay (leg 2)	2025-07-12	2025 CA CCAQ Eastern Committee LC Champs
100 Freestyle	LCM	1:08.82	flying	400 Free Relay (leg 3)	2025-07-26	2025 CA SCS Summer A/G Champs
50 Butterfly	LCM	32.58	flying	200 Medley Relay (leg 3)	2026-06-14	ARMADA-2026 SCS June AG Invite

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 13-14 · SCY

1962 points (4/6 events — incomplete)

Event	Time	Points
500 FR SCY	5:41.68	606
200 BK SCY	2:31.45	449
200 FL SCY	2:31.19	470
200 IM SCY	2:36.06	437
200 BR SCY	—	0
400 IM SCY	—	0

IMR 13-14 · SCY

2238 points (5/5 events)

Event	Time	Points
200 FR SCY	2:06.41	604
100 BK SCY	1:11.83	412
100 BR SCY	1:30.81	294
100 FL SCY	1:07.01	491
200 IM SCY	2:36.06	437

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

PR splits

100 Freestyle SCY 57.67

27.74

29.93

Front half 27.74s · back half 29.93s

200 Freestyle SCY 2:06.41

29.08

32.28

32.97

32.08

Front half 61.36s · back half 65.05s

500 Freestyle SCY 5:41.68

29.47

33.80

34.67

33.91

34.60

35.12

35.39

35.24

35.58

33.90

Front half 166.45s · back half 175.23s

1000 Freestyle SCY 11:26.15

31.77

34.75

34.98

34.35

34.70

33.98

34.36

35.10

34.93

35.61

33.21

35.52

35.31

34.22

35.00

35.13

33.25

35.40

32.79

31.79

Front half 344.53s · back half 341.62s

1650 Freestyle SCY 19:15.24

30.99

34.38

34.73

34.86

35.29

35.19

35.60

34.30

35.46

34.86

35.67

35.65

35.04

35.28

35.24

35.20

35.66

35.49

35.45

35.81

35.75

35.02

34.57

35.54

35.30

35.22

35.24

35.58

34.50

34.78

35.04

34.42

34.13

100 Backstroke SCY 1:11.83

33.60

38.23

Front half 33.60s · back half 38.23s

200 Backstroke SCY 2:31.45

35.55

38.31

38.43

39.16

Front half 73.86s · back half 77.59s

100 Breaststroke SCY 1:30.81

43.01

47.80

Front half 43.01s · back half 47.80s

100 Butterfly SCY 1:07.01

31.92

35.09

Front half 31.92s · back half 35.09s

200 Butterfly SCY 2:31.19

33.17

38.79

39.21

40.02

Front half 71.96s · back half 79.23s

100 Individual Medley SCY 1:13.39

33.46

39.93

Front half 33.46s · back half 39.93s

200 Individual Medley SCY 2:36.06

34.56

39.31

48.52

33.67

Front half 73.87s · back half 82.19s

100 Freestyle LCM 1:06.55

31.95

34.60

Front half 31.95s · back half 34.60s

200 Freestyle LCM 2:22.22

32.01

36.20

36.44

37.57

Front half 68.21s · back half 74.01s

400 Freestyle LCM 5:03.71

32.38

36.42

38.40

38.64

39.92

39.78

40.07

38.10

Front half 145.84s · back half 157.87s

800 Freestyle LCM 10:34.49

73.04

79.52

80.14

80.64

80.72

80.74

80.60

79.09

Front half 313.34s · back half 321.15s

1500 Freestyle LCM 19:40.59

34.30

38.86

38.60

39.31

38.44

40.56

40.04

39.14

39.16

40.44

39.77

39.50

39.36

39.41

39.60

39.01

40.18

39.17

39.18

40.09

40.50

39.52

40.64

39.61

39.62

39.70

39.47

39.36

40.01

38.04

Front half 586.49s · back half 594.10s

100 Backstroke LCM 1:21.71

39.68

42.03

Front half 39.68s · back half 42.03s

100 Butterfly LCM 1:17.57

35.57

42.00

Front half 35.57s · back half 42.00s

200 Butterfly LCM 2:50.57

77.76

92.81

Front half 77.76s · back half 92.81s

200 Individual Medley LCM 2:52.02

37.65

43.85

54.42

36.10

Front half 81.50s · back half 90.52s

Reaction time

fastest 0.69s average 0.708s slowest 0.74s 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 26.91 13 swims

100 Freestyle SCY 57.67 18 swims

200 Freestyle SCY 2:06.41 13 swims

500 Freestyle SCY 5:41.68 6 swims

1000 Freestyle SCY 11:26.15 3 swims

1650 Freestyle SCY 19:15.24 1 swim

50 Backstroke SCY 32.77 11 swims

100 Backstroke SCY 1:11.83 6 swims

200 Backstroke SCY 2:31.45 4 swims

50 Breaststroke SCY 46.63 4 swims

100 Breaststroke SCY 1:30.81 2 swims

50 Butterfly SCY 30.04 17 swims

100 Butterfly SCY 1:07.01 6 swims

200 Butterfly SCY 2:31.19 1 swim

100 Individual Medley SCY 1:13.39 8 swims

200 Individual Medley SCY 2:36.06 5 swims

50 Freestyle LCM 29.92 8 swims

100 Freestyle LCM 1:06.55 7 swims

200 Freestyle LCM 2:22.22 6 swims

400 Freestyle LCM 5:03.71 7 swims

800 Freestyle LCM 10:34.49 1 swim

1500 Freestyle LCM 19:40.59 2 swims

50 Backstroke LCM 38.41 6 swims

100 Backstroke LCM 1:21.71 4 swims

50 Butterfly LCM 33.63 8 swims

100 Butterfly LCM 1:17.57 7 swims

200 Butterfly LCM 2:50.57 1 swim

200 Individual Medley LCM 2:52.02 3 swims