Sam Zhou

Mage 17CAMTPCSINOVAPRTAUN-07

117 plausible swims · 25 meets · 2024-02-18 → 2026-06-14

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	21.76	AAA+0.67s to AAAA	2025-03-02	2025 RBAC March Madness Spring Championship venue
100 Freestyle	SCY	48.04	AAA+1.95s to AAAA	2026-01-19	YARDS----2026 Road to Sofi venue
50 Backstroke	SCY	24.66	AA+0.07s to AAA	2025-09-20	CA 2025 NOVA Back-to-School Meet venue
100 Backstroke	SCY	50.50	AAA+0.41s to AAAA	2026-02-28	2026 SI CA/NV Speedo Sectionals Oceanside venue
50 Breaststroke	SCY	27.28	AAA+0.29s to AAAA	2025-09-20	CA 2025 NOVA Back-to-School Meet venue
100 Breaststroke	SCY	55.82	AAAA	2026-02-27	2026 SI CA/NV Speedo Sectionals Oceanside venue
200 Breaststroke	SCY	2:03.82	AAA+0.63s to AAAA	2025-11-23	2025 Southern Pacific Invite venue
50 Butterfly	SCY	22.68	AAAA	2026-03-01	2026 SI CA/NV Speedo Sectionals Oceanside venue
100 Butterfly	SCY	50.24	AAA+0.65s to AAAA	2025-11-22	2025 Southern Pacific Invite venue
100 Individual Medley	SCY	53.57		2025-09-20	CA 2025 NOVA Back-to-School Meet venue
400 Individual Medley	SCY	4:09.81	AAA+8.32s to AAAA	2026-01-17	YARDS----2026 Road to Sofi venue
50 Freestyle	LCM	25.19	AAA+0.80s to AAAA	2024-07-28	2024 CA SCS/GWSC Summer A/G Champs slow pool
100 Backstroke	LCM	1:00.66	AAA+1.57s to AAAA	2025-05-25	2025 CA 29th NOVA-Speedo Grand Challenge venue
50 Breaststroke	LCM	30.32	AAAA	2026-05-24	2026 CA 30th NOVA-Speedo Grand Challenge venue
100 Breaststroke	LCM	1:05.45	AAAA	2026-06-13	2026 SCS June AG Invite venue
200 Breaststroke	LCM	2:24.21	AAA+0.02s to AAAA	2026-06-14	2026 SCS June AG Invite venue
50 Butterfly	LCM	25.94	AAAA	2026-06-13	2026 SCS June AG Invite venue
100 Butterfly	LCM	57.69	AAA+0.70s to AAAA	2026-06-11	2026 SCS June AG Invite venue
200 Butterfly	LCM	2:19.03	AA+5.84s to AAA	2025-07-13	2025 LAI Entries venue
200 Individual Medley	LCM	2:15.43	AAA+5.44s to AAAA	2025-07-13	2025 LAI Entries venue
400 Individual Medley	LCM	4:54.62	AA+2.23s to AAA	2026-01-17	Finals -2026 Road to Sofi - copied venue

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
50 Freestyle	SCY	21.95	flat	200 Free Relay	2024-02-18	2024 President's Day Senior Classic Meet
50 Backstroke	SCY	24.06	flat	200 Medley Relay	2024-05-04	2024 CIF-SS Division 1
100 Butterfly	SCY	49.96	flying	400 Medley Relay (leg 3)	2024-12-20	2024 CA-NV December Sectionals At BREA
100 Breaststroke	LCM	1:06.77	flying	400 Medley Relay (leg 2)	2025-07-26	USA Swimming Futures Sacramento 2025

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 · LCM

3366 points (4/6 events — incomplete)

Event	Time	Points
200 BR LCM	2:24.21	952
200 FL LCM	2:19.03	731
200 IM LCM	2:15.43	864
400 IM LCM	4:54.62	819
400 FR LCM	—	0
200 BK LCM	—	0

IMR 17-18 · LCM

3643 points (4/5 events — incomplete)

Event	Time	Points
100 BK LCM	1:00.66	882
100 BR LCM	1:05.45	983
100 FL LCM	57.69	914
200 IM LCM	2:15.43	864
200 FR LCM	—	0

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

PR splits

100 Freestyle SCY 48.04

23.04

25.00

Front half 23.04s · back half 25.00s

100 Backstroke SCY 50.50

24.21

26.29

Front half 24.21s · back half 26.29s

100 Breaststroke SCY 55.82

26.38

29.44

Front half 26.38s · back half 29.44s

200 Breaststroke SCY 2:03.82

27.62

30.89

32.05

33.26

Front half 58.51s · back half 65.31s

100 Butterfly SCY 50.24

23.16

27.08

Front half 23.16s · back half 27.08s

100 Individual Medley SCY 53.57

24.65

28.92

Front half 24.65s · back half 28.92s

400 Individual Medley SCY 4:09.81

25.56

29.33

32.23

32.04

33.40

34.28

31.42

31.55

Front half 119.16s · back half 130.65s

100 Backstroke LCM 1:00.66

29.28

31.38

Front half 29.28s · back half 31.38s

100 Breaststroke LCM 1:05.45

31.13

34.32

Front half 31.13s · back half 34.32s

200 Breaststroke LCM 2:24.21

32.38

36.38

37.03

38.42

Front half 68.76s · back half 75.45s

100 Butterfly LCM 57.69

26.81

30.88

Front half 26.81s · back half 30.88s

200 Butterfly LCM 2:19.03

62.85

76.18

Front half 62.85s · back half 76.18s

200 Individual Medley LCM 2:15.43

63.75

71.68

Front half 63.75s · back half 71.68s

400 Individual Medley LCM 4:54.62

29.37

34.81

38.77

39.02

38.93

40.91

36.49

36.32

Front half 141.97s · back half 152.65s

Reaction time

fastest 0.53s average 0.603s slowest 0.64s 7 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 21.76 4 swims

100 Freestyle SCY 48.04 3 swims

50 Backstroke SCY 24.66 4 swims

100 Backstroke SCY 50.50 13 swims

50 Breaststroke SCY 27.28 2 swims

100 Breaststroke SCY 55.82 9 swims

200 Breaststroke SCY 2:03.82 10 swims

50 Butterfly SCY 22.68 6 swims

100 Butterfly SCY 50.24 9 swims

100 Individual Medley SCY 53.57 2 swims

400 Individual Medley SCY 4:09.81 1 swim

50 Freestyle LCM 25.19 2 swims

100 Backstroke LCM 1:00.66 3 swims

50 Breaststroke LCM 30.32 7 swims

100 Breaststroke LCM 1:05.45 16 swims

200 Breaststroke LCM 2:24.21 8 swims

50 Butterfly LCM 25.94 5 swims

100 Butterfly LCM 57.69 8 swims

200 Butterfly LCM 2:19.03 1 swim

200 Individual Medley LCM 2:15.43 3 swims

400 Individual Medley LCM 4:54.62 1 swim