Zachary Chou

Mage 15CAFLARSCCAAPUN-01UN-2

117 plausible swims · 23 meets · 2024-07-13 → 2026-06-14

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	23.25	AA+0.56s to AAA	2026-02-15	2026 Metro Champs @ La Mirada Armada venue
100 Freestyle	SCY	50.68	AA+0.89s to AAA	2025-12-14	2025 CA SCS/RAA WAG venue
200 Freestyle	SCY	1:54.10	A+0.51s to AA	2025-03-15	2025 SCS Spring Age Group Champs @ Armada venue
500 Freestyle	SCY	5:29.34	BB+6.75s to A	2024-11-09	2024 Downey Dolphins SC Meet venue
100 Backstroke	SCY	1:02.17	BB+2.58s to A	2025-10-12	2025 CA Cerritos SC Swim Meet venue
200 Backstroke	SCY	2:13.39	BB+3.30s to A	2025-12-13	2025 CA SCS/RAA WAG venue
100 Breaststroke	SCY	1:14.62	B+1.63s to BB	2025-02-16	2025 Metro Sc Champs at Armada venue
50 Butterfly	SCY	26.15	AA+0.76s to AAA	2026-03-08	2026 CA Arcadia Riptides "Last Ditch" Meet fast pool
100 Butterfly	SCY	57.80	A+1.41s to AA	2025-11-22	2025 CA Fast Before The Feast venue
200 Butterfly	SCY	2:14.24	BB+2.25s to A	2026-01-19	2026 CA Trident Swim Club Winter Invite - cop venue
200 Individual Medley	SCY	2:11.23	A+4.54s to AA	2025-11-23	2025 CA Fast Before The Feast venue
400 Individual Medley	SCY	4:52.93	BB+8.74s to A	2026-01-18	2026 CA Trident Swim Club Winter Invite - cop venue
50 Freestyle	LCM	25.71	AAA+0.72s to AAAA	2026-04-11	Armada Lc April Meet -April 11-12-2026 venue
100 Freestyle	LCM	57.38	AA+0.29s to AAA	2026-06-12	ARMADA-2026 SCS June AG Invite venue
200 Freestyle	LCM	2:14.06	A+2.57s to AA	2025-07-24	2025 CA SCS Summer A/G Champs
400 Freestyle	LCM	5:06.36	BB+14.27s to A	2025-04-26	2025 Lakewood Aquatics April LC Closed Invite slow pool
50 Backstroke	LCM	31.42	AA+1.03s to AAA	2026-04-11	Armada Lc April Meet -April 11-12-2026 venue
100 Backstroke	LCM	1:11.14	BB+1.55s to A	2025-07-26	2025 CA SCS Summer A/G Champs
200 Backstroke	LCM	2:45.72	B+2.03s to BB	2025-04-26	2025 Lakewood Aquatics April LC Closed Invite slow pool
50 Butterfly	LCM	27.72	AAA+0.33s to AAAA	2026-06-13	ARMADA-2026 SCS June AG Invite venue
100 Butterfly	LCM	1:01.66	AAA+2.77s to AAAA	2026-06-11	ARMADA-2026 SCS June AG Invite venue
200 Individual Medley	LCM	2:32.36	A+5.47s to AA	2026-04-12	Armada Lc April Meet -April 11-12-2026 venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 15.

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	23.59	flat	200 Free Relay	2024-12-14	2024 CA SCAT/SCS WAG
50 Freestyle	SCY	22.74	flying	200 Free Relay (leg 2)	2025-12-12	2025 CA SCS/RAA WAG
50 Freestyle	SCY	22.40	flying	200 Medley Relay (leg 4)	2026-02-15	2026 Metro Champs @ La Mirada Armada
100 Freestyle	SCY	52.31	flying	400 Free Relay (leg 4)	2025-03-14	2025 SCS Spring Age Group Champs @ Armada
50 Butterfly	SCY	26.53	flying	200 Medley Relay (leg 3)	2025-03-16	2025 SCS Spring Age Group Champs @ Armada
50 Freestyle	LCM	25.98	flat	200 Free Relay	2026-06-11	ARMADA-2026 SCS June AG Invite
100 Freestyle	LCM	1:00.04	flying	400 Free Relay (leg 2)	2024-07-28	2024 CA SCS/ BREA Summer A/G Champs

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

2953 points (5/6 events — incomplete)

Event	Time	Points
500 FR SCY	5:29.34	590
200 BK SCY	2:13.39	571
200 FL SCY	2:14.24	591
200 IM SCY	2:11.23	641
400 IM SCY	4:52.93	560
200 BR SCY	—	0

IMR 15-16 · SCY

3021 points (5/5 events)

Event	Time	Points
200 FR SCY	1:54.10	714
100 BK SCY	1:02.17	542
100 BR SCY	1:14.62	462
100 FL SCY	57.80	662
200 IM SCY	2:11.23	641

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

PR splits

100 Freestyle SCY 50.68

24.44

26.24

Front half 24.44s · back half 26.24s

200 Freestyle SCY 1:54.10

26.73

28.45

29.09

29.83

Front half 55.18s · back half 58.92s

100 Backstroke SCY 1:02.17

30.78

31.39

Front half 30.78s · back half 31.39s

200 Backstroke SCY 2:13.39

30.62

33.62

34.33

34.82

Front half 64.24s · back half 69.15s

100 Breaststroke SCY 1:14.62

35.37

39.25

Front half 35.37s · back half 39.25s

100 Butterfly SCY 57.80

27.38

30.42

Front half 27.38s · back half 30.42s

200 Butterfly SCY 2:14.24

29.16

33.23

35.68

36.17

Front half 62.39s · back half 71.85s

200 Individual Medley SCY 2:11.23

27.79

34.52

38.95

29.97

Front half 62.31s · back half 68.92s

400 Individual Medley SCY 4:52.93

30.33

34.26

36.33

38.77

42.83

43.23

33.62

33.56

Front half 139.69s · back half 153.24s

200 Freestyle LCM 2:14.06 RT 0.63s

64.12

69.94

Front half 64.12s · back half 69.94s

400 Freestyle LCM 5:06.36

73.33

78.69

78.27

76.07

Front half 152.02s · back half 154.34s

200 Backstroke LCM 2:45.72

82.50

83.22

Front half 82.50s · back half 83.22s

200 Individual Medley LCM 2:32.36

30.57

41.04

46.05

34.70

Front half 71.61s · back half 80.75s

Reaction time

fastest 0.61s average 0.646s slowest 0.76s 9 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 23.25 16 swims

100 Freestyle SCY 50.68 14 swims

200 Freestyle SCY 1:54.10 10 swims

500 Freestyle SCY 5:29.34 1 swim

100 Backstroke SCY 1:02.17 8 swims

200 Backstroke SCY 2:13.39 4 swims

100 Breaststroke SCY 1:14.62 3 swims

50 Butterfly SCY 26.15 2 swims

100 Butterfly SCY 57.80 11 swims

200 Butterfly SCY 2:14.24 2 swims

200 Individual Medley SCY 2:11.23 5 swims

400 Individual Medley SCY 4:52.93 1 swim

50 Freestyle LCM 25.71 11 swims

100 Freestyle LCM 57.38 8 swims

200 Freestyle LCM 2:14.06 3 swims

400 Freestyle LCM 5:06.36 1 swim

50 Backstroke LCM 31.42 2 swims

100 Backstroke LCM 1:11.14 3 swims

200 Backstroke LCM 2:45.72 1 swim

50 Butterfly LCM 27.72 6 swims

100 Butterfly LCM 1:01.66 4 swims

200 Individual Medley LCM 2:32.36 1 swim