Galen Zhou

Mage 17CACCMTNMSIPUMASALUSLOSUN-05

162 plausible swims · 38 meets · 2023-02-18 → 2026-06-21

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	23.12	A+0.03s to AA	2025-10-12	SMSC 47th Fall Invite venue
100 Freestyle	SCY	48.92	AA+0.63s to AAA	2025-11-02	2025 CA Tom Hamilton Memorial Invite venue
200 Freestyle	SCY	1:48.61	AA+2.22s to AAA	2025-11-01	2025 CA Tom Hamilton Memorial Invite venue
500 Freestyle	SCY	5:12.43	A+10.74s to AA	2023-02-19	CCS Age Group Championship slow pool
50 Backstroke	SCY	27.24	BB+0.45s to A	2025-11-21	2025 SLOS Pumpkin Pie Invite venue
100 Backstroke	SCY	56.24	A+1.35s to AA	2024-12-14	2024 CA RAA/SCS WAG venue
50 Breaststroke	SCY	29.08	AA+0.79s to AAA	2025-12-21	2025 SI Winter Age Group Championships venue
100 Breaststroke	SCY	1:01.71	AA+2.32s to AAA	2025-04-05	2025 Clovis West Invitational venue
200 Breaststroke	SCY	2:25.23	BB+4.44s to A	2024-12-15	2024 CA RAA/SCS WAG venue
50 Butterfly	SCY	24.33	AAA+0.94s to AAAA	2025-11-01	2025 CA Tom Hamilton Memorial Invite venue
100 Butterfly	SCY	54.88	A+0.59s to AA	2025-12-19	2025 SI Winter Age Group Championships venue
200 Butterfly	SCY	2:04.25	A+2.06s to AA	2026-02-01	2026 CA AGAC Winterfest Classic venue
100 Individual Medley	SCY	56.25		2025-11-02	2025 CA Tom Hamilton Memorial Invite venue
200 Individual Medley	SCY	2:00.96	AA+3.47s to AAA	2025-04-05	2025 Clovis West Invitational venue
400 Individual Medley	SCY	4:20.84	AA+7.85s to AAA	2025-10-31	2025 CA Tom Hamilton Memorial Invite venue
50 Freestyle	LCM	26.59	AA+1.10s to AAA	2024-08-03	GroupB - WZ LCM Senior Champs 2024 venue
100 Freestyle	LCM	58.04	AA+2.45s to AAA	2025-06-29	2025 TYR GO Challenge venue
200 Freestyle	LCM	2:07.30	AA+5.11s to AAA	2024-08-02	WZ LCM Senior Champs 2024 venue
400 Freestyle	LCM	4:41.71	A+9.32s to AA	2024-07-30	GroupB - WZ LCM Senior Champs 2024 venue
800 Freestyle	LCM	9:59.89	BB+9.10s to A	2026-06-21	2026 SLOS Firecracker Invitational venue
1500 Freestyle	LCM	18:45.30	A+38.91s to AA	2026-06-19	2026 SLOS Firecracker Invitational venue
100 Backstroke	LCM	1:07.99	BB+0.50s to A	2025-06-28	2025 TYR GO Challenge venue
50 Breaststroke	LCM	32.73	AA+0.64s to AAA	2026-06-19	2026 SLOS Firecracker Invitational venue
100 Breaststroke	LCM	1:14.44	A+2.05s to AA	2026-06-20	2026 SLOS Firecracker Invitational venue
100 Butterfly	LCM	1:05.55	BB+0.36s to A	2024-07-30	WZ LCM Senior Champs 2024
200 Butterfly	LCM	2:27.57	BB+2.18s to A	2026-06-20	2026 SLOS Firecracker Invitational venue
200 Individual Medley	LCM	2:25.42	A+3.03s to AA	2024-07-31	GroupB - WZ LCM Senior Champs 2024 venue
400 Individual Medley	LCM	5:22.85	BB+3.86s to A	2025-06-27	2025 TYR GO Challenge 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	22.86	flat	200 Free Relay	2025-12-21	2025 SI Winter Age Group Championships
50 Freestyle	SCY	22.02	flying	200 Free Relay (leg 4)	2026-05-09	2026 CIF CENTRAL SECTION D1 CHAMPIONSHIPS -
100 Freestyle	SCY	48.23	flying	400 Free Relay (leg 2)	2026-05-09	2026 CIF CENTRAL SECTION D1 CHAMPIONSHIPS -
200 Freestyle	SCY	1:49.08	flat	800 Free Relay	2024-12-13	2024 CA RAA/SCS WAG
200 Freestyle	SCY	1:50.09	flying	800 Free Relay (leg 3)	2025-02-15	2025 SI Presidents' Day Senior Classic
50 Breaststroke	SCY	28.87	flying	200 Medley Relay (leg 2)	2024-12-15	2024 CA RAA/SCS WAG
100 Breaststroke	SCY	1:03.52	flying	400 Medley Relay (leg 2)	2024-12-14	2024 CA RAA/SCS WAG
50 Butterfly	SCY	24.45	flying	200 Medley Relay (leg 3)	2025-12-19	2025 SI Winter Age Group Championships
100 Butterfly	SCY	1:00.95	flying	400 Medley Relay (leg 3)	2023-02-19	CCS Age Group Championship
50 Breaststroke	LCM	34.44	flying	200 Medley Relay (leg 2)	2024-07-30	GroupB - WZ LCM Senior Champs 2024

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

3462 points (5/6 events — incomplete)

Event	Time	Points
500 FR SCY	5:12.43	662
200 BR SCY	2:25.23	588
200 FL SCY	2:04.25	689
200 IM SCY	2:00.96	764
400 IM SCY	4:20.84	759
200 BK SCY	—	0

IMR 17-18 · SCY

3665 points (5/5 events)

Event	Time	Points
200 FR SCY	1:48.61	784
100 BK SCY	56.24	656
100 BR SCY	1:01.71	746
100 FL SCY	54.88	715
200 IM SCY	2:00.96	764

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

PR splits

100 Freestyle SCY 48.92 RT 0.66s

23.49

25.43

Front half 23.49s · back half 25.43s

200 Freestyle SCY 1:48.61 RT 0.70s

24.94

26.96

28.25

28.46

Front half 51.90s · back half 56.71s

500 Freestyle SCY 5:12.43

27.31

30.61

32.25

32.30

32.26

32.48

31.01

31.83

32.35

30.03

Front half 154.73s · back half 157.70s

100 Backstroke SCY 56.24

27.45

28.79

Front half 27.45s · back half 28.79s

100 Breaststroke SCY 1:01.71

28.86

32.85

Front half 28.86s · back half 32.85s

200 Breaststroke SCY 2:25.23

32.77

37.23

38.26

36.97

Front half 70.00s · back half 75.23s

100 Butterfly SCY 54.88

24.97

29.91

Front half 24.97s · back half 29.91s

200 Butterfly SCY 2:04.25

27.61

30.85

32.52

33.27

Front half 58.46s · back half 65.79s

100 Individual Medley SCY 56.25 RT 0.69s

26.88

29.37

Front half 26.88s · back half 29.37s

200 Individual Medley SCY 2:00.96

26.34

31.00

35.27

28.35

Front half 57.34s · back half 63.62s

400 Individual Medley SCY 4:20.84 RT 0.68s

26.96

30.85

34.21

33.62

37.34

38.05

30.51

29.30

Front half 125.64s · back half 135.20s

200 Freestyle LCM 2:07.30

29.67

32.98

32.48

32.17

Front half 62.65s · back half 64.65s

400 Freestyle LCM 4:41.71

62.02

71.41

74.01

74.27

Front half 133.43s · back half 148.28s

1500 Freestyle LCM 18:45.30

32.88

36.74

37.50

37.68

37.74

37.49

38.20

37.66

37.97

37.72

38.19

37.90

37.95

38.01

38.26

38.00

37.58

37.23

37.62

37.33

37.08

37.57

38.73

38.30

38.77

37.79

38.22

37.26

36.07

35.86

Front half 561.89s · back half 563.41s

100 Breaststroke LCM 1:14.44

34.44

40.00

Front half 34.44s · back half 40.00s

200 Butterfly LCM 2:27.57

31.09

35.48

38.57

42.43

Front half 66.57s · back half 81.00s

200 Individual Medley LCM 2:25.42

30.25

38.86

43.00

33.31

Front half 69.11s · back half 76.31s

400 Individual Medley LCM 5:22.85

70.90

87.37

93.21

71.37

Front half 158.27s · back half 164.58s

Reaction time

fastest 0.63s average 0.684s slowest 0.74s 14 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 23.12 4 swims

100 Freestyle SCY 48.92 8 swims

200 Freestyle SCY 1:48.61 9 swims

500 Freestyle SCY 5:12.43 2 swims

50 Backstroke SCY 27.24 1 swim

100 Backstroke SCY 56.24 5 swims

50 Breaststroke SCY 29.08 2 swims

100 Breaststroke SCY 1:01.71 14 swims

200 Breaststroke SCY 2:25.23 2 swims

50 Butterfly SCY 24.33 4 swims

100 Butterfly SCY 54.88 19 swims

200 Butterfly SCY 2:04.25 1 swim

100 Individual Medley SCY 56.25 3 swims

200 Individual Medley SCY 2:00.96 24 swims

400 Individual Medley SCY 4:20.84 11 swims

50 Freestyle LCM 26.59 4 swims

100 Freestyle LCM 58.04 6 swims

200 Freestyle LCM 2:07.30 6 swims

400 Freestyle LCM 4:41.71 1 swim

800 Freestyle LCM 9:59.89 4 swims

1500 Freestyle LCM 18:45.30 1 swim

100 Backstroke LCM 1:07.99 4 swims

50 Breaststroke LCM 32.73 4 swims

100 Breaststroke LCM 1:14.44 5 swims

100 Butterfly LCM 1:05.55 8 swims

200 Butterfly LCM 2:27.57 1 swim

200 Individual Medley LCM 2:25.42 6 swims

400 Individual Medley LCM 5:22.85 3 swims