James Zheng

Mage 12CALASC

161 plausible swims · 25 meets · 2024-07-25 → 2026-05-24

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	27.95	A+0.96s to AA	2026-03-07	PVST March Madness venue
100 Freestyle	SCY	59.83	A+1.04s to AA	2026-02-08	2026 PVST Coastal vs. Cancer venue
200 Freestyle	SCY	2:10.23	A+2.04s to AA	2025-12-13	2025 CA SCS/RAA WAG venue
500 Freestyle	SCY	5:45.06	A+0.07s to AA	2026-03-13	2026 SCS Spring Age Group Champs @ RMDA - cop venue
1000 Freestyle	SCY	12:32.88	A+27.09s to AA	2025-03-22	PVST Spring Fling slow pool
1650 Freestyle	SCY	20:56.20	A+49.81s to AA	2026-02-07	2026 PVST Coastal vs. Cancer venue
50 Backstroke	SCY	31.13	AA+1.44s to AAA	2025-12-14	2025 CA SCS/RAA WAG venue
100 Backstroke	SCY	1:08.76	A+2.77s to AA	2026-02-21	BUEN February Coastal Champs venue
200 Backstroke	SCY	2:26.02	A+4.03s to AA	2025-12-07	2025 Winter Coastal Champs venue
50 Breaststroke	SCY	39.69	BB+3.00s to A	2026-02-08	2026 PVST Coastal vs. Cancer venue
100 Breaststroke	SCY	1:27.60	B+2.11s to BB	2025-10-12	2025 CA Paseo Fall Kickoff Season Opener venue
50 Butterfly	SCY	29.76	A+0.07s to AA	2026-03-15	2026 SCS Spring Age Group Champs @ RMDA - cop venue
100 Butterfly	SCY	1:05.55	AA+3.06s to AAA	2026-03-14	2026 SCS Spring Age Group Champs @ RMDA - cop venue
200 Butterfly	SCY	2:34.42	BB+2.93s to A	2025-12-06	2025 Winter Coastal Champs venue
100 Individual Medley	SCY	1:10.87	BB+0.88s to A	2025-12-06	2025 Winter Coastal Champs venue
200 Individual Medley	SCY	2:29.89	A+4.30s to AA	2026-03-08	PVST March Madness venue
50 Freestyle	LCM	32.27	BB+0.18s to A	2025-06-15	2025 CA SCS RAA June Age Group Championships venue
100 Freestyle	LCM	1:08.93	A+1.44s to AA	2026-04-12	2026 BUEN LCM Opener venue
200 Freestyle	LCM	2:30.87	A+3.68s to AA	2026-04-11	2026 BUEN LCM Opener venue
400 Freestyle	LCM	5:14.64	A+1.55s to AA	2025-06-14	2025 CA SCS RAA June Age Group Championships venue
50 Backstroke	LCM	36.26	A+0.17s to AA	2026-04-11	2026 BUEN LCM Opener venue
100 Backstroke	LCM	1:17.37	AA+3.08s to AAA	2026-04-12	2026 BUEN LCM Opener venue
50 Butterfly	LCM	33.83	A+0.24s to AA	2026-04-12	2026 BUEN LCM Opener venue
100 Butterfly	LCM	1:16.20	A+0.61s to AA	2025-07-18	2025 SCS 14-Under Elite A/G Champs at MVN venue
200 Individual Medley	LCM	2:58.85	BB+4.66s to A	2025-04-13	2025 Buenaventura LCM Opener slow pool

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 12.

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	28.75	flat	200 Free Relay	2024-12-14	2024 CA RAA/SCS WAG
50 Freestyle	SCY	28.17	flying	200 Free Relay (leg 2)	2026-02-21	BUEN February Coastal Champs
50 Butterfly	SCY	32.97	flying	200 Medley Relay (leg 3)	2025-12-14	2025 CA SCS/RAA WAG
100 Butterfly	SCY	1:10.03	flying	400 Medley Relay (leg 3)	2025-03-15	2025 SCS Spring Age Group Champs @ Armada
50 Freestyle	LCM	31.89	flying	200 Free Relay (leg 3)	2025-06-14	2025 CA SCS RAA June Age Group Championships
100 Freestyle	LCM	1:11.52	flying	400 Free Relay (leg 4)	2024-07-28	2024 CA SCS/ BREA Summer A/G Champs
50 Butterfly	LCM	34.76	flying	200 Medley Relay (leg 3)	2024-07-26	2024 CA SCS/ BREA Summer A/G Champs
100 Butterfly	LCM	1:14.84	flying	400 Medley Relay (leg 3)	2025-07-18	2025 SCS 14-Under Elite A/G Champs at MVN

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 · SCY

3286 points (5/5 events)

Event	Time	Points
500 FR SCY	5:45.06	760
100 BK SCY	1:08.76	647
100 BR SCY	1:27.60	463
100 FL SCY	1:05.55	732
200 IM SCY	2:29.89	684

IMR 11-12 · SCY

3326 points (5/5 events)

Event	Time	Points
200 FR SCY	2:10.23	724
50 BK SCY	31.13	742
50 BR SCY	39.69	499
50 FL SCY	29.76	721
100 IM SCY	1:10.87	640

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

PR splits

100 Freestyle SCY 59.83

28.77

31.06

Front half 28.77s · back half 31.06s

200 Freestyle SCY 2:10.23

29.70

32.71

33.72

34.10

Front half 62.41s · back half 67.82s

500 Freestyle SCY 5:45.06

30.36

33.93

34.81

35.21

34.87

35.26

35.02

35.91

35.47

34.22

Front half 169.18s · back half 175.88s

1000 Freestyle SCY 12:32.88

33.47

38.48

38.53

37.45

37.83

38.22

38.85

37.89

38.63

37.35

36.29

38.05

39.30

38.38

37.95

37.58

36.49

38.57

35.09

Front half 377.83s · back half 375.05s

1650 Freestyle SCY 20:56.20

36.53

40.04

39.80

39.72

39.28

39.27

39.94

39.67

39.38

39.48

39.90

38.98

38.55

38.83

39.55

38.68

38.21

38.32

38.18

38.16

38.15

39.01

38.47

34.52

36.92

35.80

36.27

36.69

35.98

36.22

36.69

36.21

34.80

100 Backstroke SCY 1:08.76

32.89

35.87

Front half 32.89s · back half 35.87s

200 Backstroke SCY 2:26.02

37.05

37.81

37.29

33.87

Front half 74.86s · back half 71.16s

100 Breaststroke SCY 1:27.60

41.59

46.01

Front half 41.59s · back half 46.01s

100 Butterfly SCY 1:05.55

30.13

35.42

Front half 30.13s · back half 35.42s

200 Butterfly SCY 2:34.42

35.67

39.66

40.10

38.99

Front half 75.33s · back half 79.09s

100 Individual Medley SCY 1:10.87

32.32

38.55

Front half 32.32s · back half 38.55s

200 Individual Medley SCY 2:29.89

30.95

38.17

46.59

34.18

Front half 69.12s · back half 80.77s

100 Freestyle LCM 1:08.93

33.26

35.67

Front half 33.26s · back half 35.67s

200 Freestyle LCM 2:30.87

34.74

37.72

39.22

39.19

Front half 72.46s · back half 78.41s

400 Freestyle LCM 5:14.64

35.09

38.95

39.94

40.64

41.15

40.27

41.13

37.47

Front half 154.62s · back half 160.02s

100 Backstroke LCM 1:17.37

37.49

39.88

Front half 37.49s · back half 39.88s

100 Butterfly LCM 1:16.20

36.04

40.16

Front half 36.04s · back half 40.16s

200 Individual Medley LCM 2:58.85

83.87

94.98

Front half 83.87s · back half 94.98s

Reaction time

fastest 0.69s average 0.690s slowest 0.69s 2 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 27.95 7 swims

100 Freestyle SCY 59.83 8 swims

200 Freestyle SCY 2:10.23 16 swims

500 Freestyle SCY 5:45.06 11 swims

1000 Freestyle SCY 12:32.88 1 swim

1650 Freestyle SCY 20:56.20 1 swim

50 Backstroke SCY 31.13 9 swims

100 Backstroke SCY 1:08.76 10 swims

200 Backstroke SCY 2:26.02 2 swims

50 Breaststroke SCY 39.69 3 swims

100 Breaststroke SCY 1:27.60 1 swim

50 Butterfly SCY 29.76 12 swims

100 Butterfly SCY 1:05.55 13 swims

200 Butterfly SCY 2:34.42 1 swim

100 Individual Medley SCY 1:10.87 7 swims

200 Individual Medley SCY 2:29.89 7 swims

50 Freestyle LCM 32.27 5 swims

100 Freestyle LCM 1:08.93 7 swims

200 Freestyle LCM 2:30.87 8 swims

400 Freestyle LCM 5:14.64 6 swims

50 Backstroke LCM 36.26 5 swims

100 Backstroke LCM 1:17.37 4 swims

50 Butterfly LCM 33.83 7 swims

100 Butterfly LCM 1:16.20 9 swims

200 Individual Medley LCM 2:58.85 1 swim