Mark Zhou

Mage 11ADEZNEMTSCNEXTRM

458 plausible swims · 75 meets · 2023-02-03 → 2026-06-28

Personal records

Event	Course	Best	Cut	Date	Meet
25 Freestyle	SCY	23.29		2023-02-03	2023 NE CRIM Silver Championships
50 Freestyle	SCY	29.65	A+0.86s to AA	2026-01-01	2026 ne nssc june bc high meet results
100 Freestyle	SCY	1:03.18	A+0.69s to AA	2026-01-01	2026 ne inst cup championship results
200 Freestyle	SCY	2:15.72	AA+4.83s to AAA	2026-01-30	2026 NE CS Silver Championships
500 Freestyle	SCY	6:04.46	AA+13.87s to AAA	2026-01-30	2026 NE CS Silver Championships
1000 Freestyle	SCY	12:18.42	AA+0.83s to AAA	2026-01-30	2026 NE CS Silver Championships
1650 Freestyle	SCY	20:42.85	AAA+48.76s to AAAA	2026-01-09	2026 NE NSSC January 9-11 BC Meet
25 Backstroke	SCY	27.76		2023-02-03	2023 NE CRIM Silver Championships
50 Backstroke	SCY	38.24	B+0.15s to BB	2025-01-01	2025 spooktacular mit results
100 Backstroke	SCY	1:26.78	B+4.09s to BB	2025-01-10	2025 CRA New Year Distance and Specialty Meet
25 Breaststroke	SCY	30.28		2023-02-03	2023 NE CRIM Silver Championships
50 Breaststroke	SCY	37.15	AA+1.36s to AAA	2026-01-01	2026 ne inst cup championship results
100 Breaststroke	SCY	1:19.43	AA+2.14s to AAA	2026-01-01	2026 ne inst cup championship results
200 Breaststroke	SCY	2:51.26	AA+2.97s to AAA	2025-10-17	2025 NE NSSC Beede Halloween Classic
25 Butterfly	SCY	26.44		2026-02-19	2026 NE CRA SCY 11-14 Championship
50 Butterfly	SCY	34.83	BB+1.14s to A	2025-12-12	2025 NE NSSC Dec 13-15 Holiday Celebration!
100 Butterfly	SCY	1:18.96	BB+3.37s to A	2025-10-18	2025 NE NSSC Beede Halloween Classic - copied venue
100 Individual Medley	SCY	1:16.11	BB+0.82s to A	2025-12-12	2025 NE NSSC Dec 13-15 Holiday Celebration!
200 Individual Medley	SCY	2:37.71	A+1.22s to AA	2025-12-14	2025 NE NSSC Dec Holiday Celebration! venue
400 Individual Medley	SCY	5:40.01	A+10.22s to AA	2025-12-12	2025 NE NSSC Dec Holiday Celebration! venue
50 Freestyle	LCM	33.45	A+0.66s to AA	2026-05-08	2026 NE CRA MIT Team Specialty LC Meet
100 Freestyle	LCM	1:11.95	AA+2.96s to AAA	2026-01-01	NE CS 2026 Summer Solstice at Brown University
200 Freestyle	LCM	2:35.41	AA+6.32s to AAA	2026-06-26	2026 NE NSSC June 26-28 MIT Invitational
400 Freestyle	LCM	5:31.41	A+1.42s to AA	2026-01-01	NE CS 2026 Summer Solstice at Brown University
50 Backstroke	LCM	45.14	B+1.15s to BB	2025-07-27	2025 NE CRA July LC P/Fand Specialty Meet venue
100 Backstroke	LCM	1:35.18	BB+6.99s to A	2025-06-06	2025 NE CRIM JUNE TEAM SPECIATY
50 Breaststroke	LCM	41.49	AA+0.70s to AAA	2026-06-26	2026 NE NSSC June 26-28 MIT Invitational
100 Breaststroke	LCM	1:31.05	AA+0.76s to AAA	2026-06-26	2026 NE NSSC June 26-28 MIT Invitational
200 Breaststroke	LCM	3:14.65	AA+0.06s to AAA	2026-06-26	2026 NE NSSC June 26-28 MIT Invitational
50 Butterfly	LCM	39.76	BB+1.77s to A	2026-05-08	2026 NE CRA MIT Team Specialty LC Meet
100 Butterfly	LCM	1:30.76	BB+4.27s to A	2026-01-01	2026 ne cs spring fling results
200 Individual Medley	LCM	3:03.98	A+4.79s to AA	2026-01-01	NE CS 2026 Summer Solstice at Brown University
400 Individual Medley	LCM	6:26.74	A+3.45s to AA	2026-05-08	2026 NE CRA MIT Team Specialty LC Meet

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 11.

Fastest relay legs

Leg	Course	Time	Start	Relay	Date	Meet
50 Freestyle	SCY	30.96	flying	200 Free Relay (leg 2)	2025-03-09	2025 NE GS NE Cup Championship
100 Freestyle	SCY	1:10.95	flat	400 Free Relay	2025-02-14	2025 NE UVAC 10 & Under Champs
50 Breaststroke	SCY	39.98	flying	200 Medley Relay (leg 2)	2025-02-15	2025 NE UVAC 10 & Under Champs
100 Freestyle	LCM	1:18.83	flat	400 Free Relay	2025-07-12	2025 NE CS LCM 10 & U Champs
100 Freestyle	LCM	3:16.73	flying	400 Free Relay (leg 4)	2024-07-12	2024 NE MST/ESC LCM 10 & U 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 11-12 · LCM

2661 points (5/5 events)

Event	Time	Points
400 FR LCM	5:31.41	641
100 BK LCM	1:35.18	404
100 BR LCM	1:31.05	652
100 FL LCM	1:30.76	416
200 IM LCM	3:03.98	548

IMR 11-12 · LCM

2670 points (5/5 events)

Event	Time	Points
200 FR LCM	2:35.41	646
50 BK LCM	45.14	376
50 BR LCM	41.49	658
50 FL LCM	39.76	442
200 IM LCM	3:03.98	548

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

PR splits

100 Freestyle SCY 1:03.18 split/total mismatch

30.47

2.24

Front half 30.47s · back half 32.71s

200 Freestyle SCY 2:15.72 split/total mismatch

31.01

3.30

0.73

0.32

Front half 34.31s · back half 101.41s

500 Freestyle SCY 6:04.46 split/total mismatch

32.01

35.94

36.47

36.83

37.28

37.66

37.99

37.17

37.21

35.90

1000 Freestyle SCY 12:18.42 split/total mismatch

33.03

37.52

38.24

37.43

37.81

37.97

37.80

37.83

37.03

37.34

37.07

37.64

37.02

37.49

36.68

36.78

36.61

36.50

36.88

33.75

1650 Freestyle SCY 20:42.85 split/total mismatch

31.82

36.07

37.28

37.67

38.06

38.26

37.88

37.29

38.50

37.94

38.36

37.88

38.21

37.13

38.44

38.69

38.17

37.46

37.36

36.57

39.64

38.84

38.92

38.36

37.58

38.03

38.27

38.09

39.01

36.85

37.30

37.10

35.82

100 Backstroke SCY 1:26.78 split/total mismatch

42.55

1.68

Front half 42.55s · back half 44.23s

100 Breaststroke SCY 1:19.43 split/total mismatch

37.88

3.67

Front half 37.88s · back half 41.55s

200 Breaststroke SCY 2:51.26 split/total mismatch

39.32

43.89

45.58

42.47

100 Butterfly SCY 1:18.96

36.62

42.34

Front half 36.62s · back half 42.34s

100 Individual Medley SCY 1:16.11 split/total mismatch

37.54

1.03

Front half 37.54s · back half 38.57s

200 Individual Medley SCY 2:37.71

35.96

42.71

44.45

34.59

Front half 78.67s · back half 79.04s

400 Individual Medley SCY 5:40.01

37.70

45.45

44.40

45.88

44.30

46.30

38.86

37.12

Front half 173.43s · back half 166.58s

100 Freestyle LCM 1:11.95 split/total mismatch

34.06

3.83

Front half 34.06s · back half 37.89s

200 Freestyle LCM 2:35.41 split/total mismatch

75.06

5.29

Front half 75.06s · back half 80.35s

400 Freestyle LCM 5:31.41 split/total mismatch

35.58

40.50

42.49

42.43

43.08

43.33

42.61

41.39

100 Backstroke LCM 1:35.18 split/total mismatch

46.72

1.74

Front half 46.72s · back half 48.46s

200 Breaststroke LCM 3:14.65 split/total mismatch

92.66

9.33

Front half 92.66s · back half 101.99s

100 Butterfly LCM 1:30.76 split/total mismatch

41.13

8.50

Front half 41.13s · back half 49.63s

200 Individual Medley LCM 3:03.98 split/total mismatch

40.56

50.09

52.25

41.08

400 Individual Medley LCM 6:26.74 split/total mismatch

92.90

102.96

103.12

87.76

Progression

Faster times are higher. One card per event, all courses & history.

25 Freestyle SCY 23.29 1 swim

50 Freestyle SCY 29.65 20 swims

100 Freestyle SCY 1:03.18 25 swims

200 Freestyle SCY 2:15.72 20 swims

500 Freestyle SCY 6:04.46 12 swims

1000 Freestyle SCY 12:18.42 6 swims

1650 Freestyle SCY 20:42.85 6 swims

25 Backstroke SCY 27.76 1 swim

50 Backstroke SCY 38.24 10 swims

100 Backstroke SCY 1:26.78 4 swims

25 Breaststroke SCY 30.28 1 swim

50 Breaststroke SCY 37.15 30 swims

100 Breaststroke SCY 1:19.43 34 swims

200 Breaststroke SCY 2:51.26 13 swims

25 Butterfly SCY 26.44 2 swims

50 Butterfly SCY 34.83 10 swims

100 Butterfly SCY 1:18.96 6 swims

100 Individual Medley SCY 1:16.11 14 swims

200 Individual Medley SCY 2:37.71 13 swims

400 Individual Medley SCY 5:40.01 2 swims

50 Freestyle LCM 33.45 26 swims

100 Freestyle LCM 1:11.95 31 swims

200 Freestyle LCM 2:35.41 19 swims

400 Freestyle LCM 5:31.41 13 swims

50 Backstroke LCM 45.14 11 swims

100 Backstroke LCM 1:35.18 6 swims

50 Breaststroke LCM 41.49 34 swims

100 Breaststroke LCM 1:31.05 33 swims

200 Breaststroke LCM 3:14.65 9 swims

50 Butterfly LCM 39.76 15 swims

100 Butterfly LCM 1:30.76 14 swims

200 Individual Medley LCM 3:03.98 15 swims

400 Individual Medley LCM 6:26.74 2 swims