Jacob Zhang

Mage 13CTEZMDMRPVBADBGNWLIACMR

151 plausible swims · 35 meets · 2011-12-05 → 2026-03-15

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	23.93	AAA+0.64s to AAAA	2026-03-15	2026 MR SC Junior Metropolitan Championships venue
100 Freestyle	SCY	53.13	AA+0.04s to AAA	2025-12-14	2025 Katie Ledecky Invitational venue
200 Freestyle	SCY	1:49.64	AAAA	2026-03-14	2026 MR SC Junior Metropolitan Championships venue
500 Freestyle	SCY	4:51.69	AAAA	2026-03-15	2026 MR SC Junior Metropolitan Championships venue
1000 Freestyle	SCY	10:10.54	AAAA	2026-03-13	2026 MR SC Junior Metropolitan Championships venue
50 Backstroke	SCY	33.22	B+0.33s to BB	2024-12-15	2024 NBAC 50th Annual Christmas Invitational venue
100 Backstroke	SCY	1:08.99	BB+5.20s to A	2025-03-14	2025 MR SC Junior Metropolitan Championships
200 Backstroke	SCY	2:49.52	+7.43s to B	2023-12-15	2023 NBAC Christmas Invitational venue
100 Breaststroke	SCY	1:07.85	AA+1.56s to AAA	2025-12-12	2025 Katie Ledecky Invitational venue
200 Breaststroke	SCY	2:15.62	AAAA	2026-03-13	2026 MR SC Junior Metropolitan Championships venue
50 Butterfly	SCY	26.55	AAA+0.56s to AAAA	2011-12-05	Metropolitan Swimming Club
100 Butterfly	SCY	56.54	AAA+1.25s to AAAA	2026-03-15	2026 MR SC Junior Metropolitan Championships venue
200 Butterfly	SCY	2:02.41	AAAA	2026-03-14	2026 MR SC Junior Metropolitan Championships venue
100 Individual Medley	SCY	1:12.77		2024-12-14	2024 NBAC 50th Annual Christmas Invitational venue
200 Individual Medley	SCY	2:01.98	AAAA	2026-03-14	2026 MR SC Junior Metropolitan Championships venue
400 Individual Medley	SCY	4:25.22	AAA+0.63s to AAAA	2026-03-13	2026 MR SC Junior Metropolitan Championships venue
50 Freestyle	LCM	35.42	B+2.33s to BB	2024-07-06	2024 MR LIAC Summer Splash Invitational venue
100 Freestyle	LCM	1:14.53	B+1.94s to BB	2024-07-07	2024 MR LIAC Summer Splash Invitational venue
200 Freestyle	LCM	3:02.67	+12.68s to B		2023 Sandbox Invitational venue
400 Freestyle	LCM	5:02.32	A+6.63s to AA	2025-05-15	051525cpac results
50 Backstroke	LCM	39.00	B+0.71s to BB	2024-07-07	2024 MR LIAC Summer Splash Invitational venue
100 Backstroke	LCM	1:25.00	B+3.91s to BB	2024-07-06	2024 MR LIAC Summer Splash Invitational venue
50 Breaststroke	LCM	47.21	+1.32s to B	2024-06-14	061424grit results
100 Breaststroke	LCM	1:44.00	+6.81s to B	2024-06-09	2024 Condors Summer Solstice venue
50 Butterfly	LCM	32.96	A+0.87s to AA	2025-05-24	agua 24may2025
100 Butterfly	LCM	1:09.40	A+0.31s to AA	2025-08-07	2025 EZ LC Age Group Championship fast pool
200 Butterfly	LCM	2:33.75	AA+5.26s to AAA	2025-08-06	2025 EZ LC Age Group Championship fast pool
200 Individual Medley	LCM	3:01.01	B+4.22s to BB	2024-07-07	2024 MR LIAC Summer Splash Invitational venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 13.

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	28.33	flying	200 Free Relay (leg 3)	2025-04-04	2025 Eastern Zone SC Age Group Championships
50 Butterfly	SCY	29.71	flying	200 Medley Relay (leg 3)	2025-04-03	2025 Eastern Zone SC Age Group Championships
50 Freestyle	LCM	34.57	flying	200 Free Relay (leg 3)	2024-07-21	2024 Metropolitan LC Junior Met Championships
100 Freestyle	LCM	1:19.59	flying	400 Free Relay (leg 2)	2024-07-20	2024 Metropolitan LC Junior Met Championships
50 Butterfly	LCM	1:50.05	flying	200 Medley Relay (leg 3)	2024-07-19	2024 Metropolitan LC Junior Met Championships
100 Butterfly	LCM	1:25.75	flying	400 Medley Relay (leg 3)	2024-07-21	2024 Metropolitan LC Junior Met Championships

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 13-14 · SCY

4873 points (6/6 events)

Event	Time	Points
500 FR SCY	4:51.69	975
200 BK SCY	2:49.52	320
200 BR SCY	2:15.62	905
200 FL SCY	2:02.41	886
200 IM SCY	2:01.98	916
400 IM SCY	4:25.22	871

IMR 13-14 · SCY

3831 points (5/5 events)

Event	Time	Points
200 FR SCY	1:49.64	926
100 BK SCY	1:08.99	466
100 BR SCY	1:07.85	705
100 FL SCY	56.54	818
200 IM SCY	2:01.98	916

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

PR splits

100 Freestyle SCY 53.13

25.69

27.44

Front half 25.69s · back half 27.44s

200 Freestyle SCY 1:49.64

25.46

28.48

28.64

27.06

Front half 53.94s · back half 55.70s

500 Freestyle SCY 4:51.69

25.54

28.76

29.38

29.94

29.79

29.97

29.93

29.78

30.07

28.53

Front half 143.41s · back half 148.28s

1000 Freestyle SCY 10:10.54

26.39

29.96

31.01

31.69

30.84

30.86

31.11

30.77

30.78

30.72

30.69

30.77

31.00

31.12

30.73

30.95

31.39

30.98

30.44

28.34

Front half 304.13s · back half 306.41s

100 Backstroke SCY 1:08.99

33.80

35.19

Front half 33.80s · back half 35.19s

200 Backstroke SCY 2:49.52

39.53

44.53

44.74

40.72

Front half 84.06s · back half 85.46s

100 Breaststroke SCY 1:07.85

32.73

35.12

Front half 32.73s · back half 35.12s

200 Breaststroke SCY 2:15.62

31.36

34.73

35.21

34.32

Front half 66.09s · back half 69.53s

100 Butterfly SCY 56.54

26.72

29.82

Front half 26.72s · back half 29.82s

200 Butterfly SCY 2:02.41

27.06

31.16

31.88

32.31

Front half 58.22s · back half 64.19s

100 Individual Medley SCY 1:12.77

33.10

39.67

Front half 33.10s · back half 39.67s

200 Individual Medley SCY 2:01.98

26.82

32.48

34.35

28.33

Front half 59.30s · back half 62.68s

400 Individual Medley SCY 4:25.22

28.42

32.88

34.70

34.18

36.30

38.01

31.14

29.59

Front half 130.18s · back half 135.04s

100 Freestyle LCM 1:14.53

36.63

37.90

Front half 36.63s · back half 37.90s

200 Freestyle LCM 3:02.67

39.48

48.18

49.41

45.60

Front half 87.66s · back half 95.01s

400 Freestyle LCM 5:02.32 split/total mismatch

33.96

38.93

39.24

39.18

37.98

39.01

37.85

36.17

100 Backstroke LCM 1:25.00

41.77

43.23

Front half 41.77s · back half 43.23s

100 Breaststroke LCM 1:44.00

50.34

53.66

Front half 50.34s · back half 53.66s

100 Butterfly LCM 1:09.40

32.89

36.51

Front half 32.89s · back half 36.51s

200 Butterfly LCM 2:33.75

33.65

39.38

40.39

40.33

Front half 73.03s · back half 80.72s

200 Individual Medley LCM 3:01.01

37.68

48.80

56.55

37.98

Front half 86.48s · back half 94.53s

Progression

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

50 Freestyle SCY 23.93 5 swims

100 Freestyle SCY 53.13 11 swims

200 Freestyle SCY 1:49.64 9 swims

500 Freestyle SCY 4:51.69 3 swims

1000 Freestyle SCY 10:10.54 1 swim

50 Backstroke SCY 33.22 5 swims

100 Backstroke SCY 1:08.99 5 swims

200 Backstroke SCY 2:49.52 2 swims

100 Breaststroke SCY 1:07.85 3 swims

200 Breaststroke SCY 2:15.62 4 swims

50 Butterfly SCY 26.55 6 swims

100 Butterfly SCY 56.54 8 swims

200 Butterfly SCY 2:02.41 9 swims

100 Individual Medley SCY 1:12.77 2 swims

200 Individual Medley SCY 2:01.98 9 swims

400 Individual Medley SCY 4:25.22 4 swims

50 Freestyle LCM 35.42 7 swims

100 Freestyle LCM 1:14.53 8 swims

200 Freestyle LCM 3:02.67 1 swim

400 Freestyle LCM 5:02.32 1 swim

50 Backstroke LCM 39.00 7 swims

100 Backstroke LCM 1:25.00 8 swims

50 Breaststroke LCM 47.21 7 swims

100 Breaststroke LCM 1:44.00 4 swims

50 Butterfly LCM 32.96 10 swims

100 Butterfly LCM 1:09.40 5 swims

200 Butterfly LCM 2:33.75 3 swims

200 Individual Medley LCM 3:01.01 2 swims