Zackary Zhou

Mage 17CAMAXUN-10UN-11

77 plausible swims · 17 meets · 2024-07-13 → 2026-06-05

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	24.45	BB+0.36s to A	2025-02-15	2025 Metro Sc Champs at Armada venue
100 Freestyle	SCY	53.28	BB+0.69s to A	2025-02-16	2025 Metro Sc Champs at Armada venue
200 Freestyle	SCY	1:56.06	BB+0.07s to A	2024-11-09	2024 Downey Dolphins SC Meet venue
500 Freestyle	SCY	5:14.46	A+12.77s to AA	2024-10-20	2024 CA Lakewood Halloween Invite slow pool
1650 Freestyle	SCY	18:36.80	BB+15.21s to A	2024-07-13	2024 Metro Champs @LKWD venue
100 Backstroke	SCY	1:01.02	BB+3.73s to A	2024-10-20	2024 CA Lakewood Halloween Invite slow pool
50 Breaststroke	SCY	30.71	A+1.12s to AA	2025-11-23	2025 CA Fast Before The Feast venue
100 Breaststroke	SCY	1:05.20	BB+0.51s to A	2024-11-10	2024 Downey Dolphins SC Meet venue
200 Breaststroke	SCY	2:19.40	A+4.51s to AA	2024-12-15	2024 CA GWSC/SCS WAG venue
50 Butterfly	SCY	25.46	AA+0.97s to AAA	2026-01-11	2026 CA Commerce Aquatics SC Swim Meet - venue
100 Butterfly	SCY	55.26	A+0.97s to AA	2024-12-15	2024 CA GWSC/SCS WAG venue
200 Butterfly	SCY	2:03.25	A+1.06s to AA	2025-12-14	2025 CA SCS/SCAT WAG venue
200 Individual Medley	SCY	2:06.43	A+3.54s to AA	2024-11-24	2024 CA LKWD November Invite slow pool
400 Individual Medley	SCY	4:30.06	A+5.57s to AA	2025-02-15	2025 Metro Sc Champs at Armada venue
800 Freestyle	LCM	10:03.95	BB+13.16s to A	2025-04-27	2025 Lakewood Aquatics April LC Closed Invite slow pool
50 Backstroke	LCM	34.72	B+0.03s to BB	2025-04-27	2025 Lakewood Aquatics April LC Closed Invite slow pool
50 Breaststroke	LCM	35.12	BB+0.13s to A	2025-04-26	2025 Lakewood Aquatics April LC Closed Invite slow pool
100 Breaststroke	LCM	1:17.70	BB+2.21s to A	2025-06-14	2025 SCS June AG Invite @ La Mirada Armada venue
200 Breaststroke	LCM	2:43.70	A+5.81s to AA	2024-07-28	2024 CA SCS/ BREA Summer A/G Champs slow pool
50 Butterfly	LCM	29.26	A+0.37s to AA	2025-04-26	2025 Lakewood Aquatics April LC Closed Invite slow pool
100 Butterfly	LCM	1:03.05	A+0.66s to AA	2024-07-27	2024 CA SCS/ BREA Summer A/G Champs slow pool
200 Butterfly	LCM	2:19.23	AA+6.04s to AAA	2024-07-25	2024 CA SCS/ BREA Summer A/G Champs slow pool
200 Individual Medley	LCM	2:31.42	BB+2.83s to A	2025-06-13	2025 SCS June AG Invite @ La Mirada Armada venue
400 Individual Medley	LCM	5:06.01	A+0.32s to AA	2024-07-26	2024 CA SCS/ BREA Summer A/G Champs slow pool

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.

IMX / IMR

IMX 17-18 · SCY

3373 points (5/6 events — incomplete)

Event	Time	Points
500 FR SCY	5:14.46	649
200 BR SCY	2:19.40	665
200 FL SCY	2:03.25	706
200 IM SCY	2:06.43	669
400 IM SCY	4:30.06	684
200 BK SCY	—	0

IMR 17-18 · SCY

3160 points (5/5 events)

Event	Time	Points
200 FR SCY	1:56.06	643
100 BK SCY	1:01.02	514
100 BR SCY	1:05.20	633
100 FL SCY	55.26	701
200 IM SCY	2:06.43	669

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

PR splits

100 Freestyle SCY 53.28

25.66

27.62

Front half 25.66s · back half 27.62s

500 Freestyle SCY 5:14.46

28.03

30.88

31.35

31.77

31.98

32.41

32.24

32.13

31.69

Front half 154.01s · back half 160.45s

1650 Freestyle SCY 18:36.80

30.43

32.73

33.40

102.26

33.84

34.22

34.24

68.36

33.80

34.08

34.12

34.32

34.13

34.08

33.94

34.44

34.05

68.06

34.10

137.72

34.30

67.66

64.68

Front half 505.32s · back half 611.48s

100 Backstroke SCY 1:01.02

29.41

31.61

Front half 29.41s · back half 31.61s

200 Breaststroke SCY 2:19.40

32.24

36.10

35.26

35.80

Front half 68.34s · back half 71.06s

100 Butterfly SCY 55.26

25.79

29.47

Front half 25.79s · back half 29.47s

200 Butterfly SCY 2:03.25

28.09

31.83

32.64

30.69

Front half 59.92s · back half 63.33s

200 Individual Medley SCY 2:06.43

26.77

32.71

37.45

29.50

Front half 59.48s · back half 66.95s

400 Individual Medley SCY 4:30.06

28.73

32.72

36.38

35.43

38.88

38.09

30.47

29.36

Front half 133.26s · back half 136.80s

800 Freestyle LCM 10:03.95

68.79

75.36

76.22

77.27

77.99

77.96

76.92

73.44

Front half 297.64s · back half 306.31s

200 Breaststroke LCM 2:43.70 RT 0.60s

80.27

83.43

Front half 80.27s · back half 83.43s

200 Butterfly LCM 2:19.23 RT 0.69s

31.47

35.89

35.84

36.03

Front half 67.36s · back half 71.87s

200 Individual Medley LCM 2:31.42

70.97

80.45

Front half 70.97s · back half 80.45s

400 Individual Medley LCM 5:06.01 RT 0.66s

67.77

81.12

88.04

69.08

Front half 148.89s · back half 157.12s

Reaction time

fastest 0.60s average 0.660s slowest 0.70s 5 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 24.45 3 swims

100 Freestyle SCY 53.28 4 swims

200 Freestyle SCY 1:56.06 1 swim

500 Freestyle SCY 5:14.46 1 swim

1650 Freestyle SCY 18:36.80 1 swim

100 Backstroke SCY 1:01.02 3 swims

50 Breaststroke SCY 30.71 4 swims

100 Breaststroke SCY 1:05.20 2 swims

200 Breaststroke SCY 2:19.40 6 swims

50 Butterfly SCY 25.46 2 swims

100 Butterfly SCY 55.26 8 swims

200 Butterfly SCY 2:03.25 10 swims

200 Individual Medley SCY 2:06.43 6 swims

400 Individual Medley SCY 4:30.06 6 swims

800 Freestyle LCM 10:03.95 1 swim

50 Backstroke LCM 34.72 1 swim

50 Breaststroke LCM 35.12 1 swim

100 Breaststroke LCM 1:17.70 2 swims

200 Breaststroke LCM 2:43.70 2 swims

50 Butterfly LCM 29.26 2 swims

100 Butterfly LCM 1:03.05 3 swims

200 Butterfly LCM 2:19.23 5 swims

200 Individual Medley LCM 2:31.42 1 swim

400 Individual Medley LCM 5:06.01 2 swims