John Zheng

Mage 15CAPCPNROSESCSSPARUN-01UN-1UNAT

214 plausible swims · 37 meets · 2024-01-01 → 2026-06-21

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	22.23	AAA+0.54s to AAAA	2026-01-04	2026 Pacific Coast All Star Meet venue
100 Freestyle	SCY	49.22	AAA+1.73s to AAAA	2025-11-23	2025 CANY Cranberry venue
200 Freestyle	SCY	1:46.83	AAA+3.04s to AAAA	2026-02-28	2026 Pacific Committee SC Chmpionship venue
500 Freestyle	SCY	5:14.97	A+5.88s to AA	2025-10-27	2025 CA SPAR Revenge of the Spooky Splash Int venue
50 Backstroke	SCY	25.01	AAA+0.52s to AAAA	2026-03-14	2026 SCS Spring Age Group Champs @ RMDA - cop venue
100 Backstroke	SCY	53.30	AAA+1.21s to AAAA	2025-12-12	2025 CA SCS/RAA WAG venue
200 Backstroke	SCY	1:57.68	AAA+3.79s to AAAA	2025-11-22	2025 CANY Cranberry venue
50 Breaststroke	SCY	26.75	AAAA	2026-03-15	2026 SCS Spring Age Group Champs @ RMDA - cop venue
100 Breaststroke	SCY	58.25	AAAA	2026-03-13	2026 SCS Spring Age Group Champs @ RMDA - cop venue
200 Breaststroke	SCY	2:09.14	AAA+0.55s to AAAA	2026-03-14	2026 SCS Spring Age Group Champs @ RMDA - cop venue
50 Butterfly	SCY	24.56	AAA+0.27s to AAAA	2025-10-26	TORR Spooky Splash venue
100 Butterfly	SCY	54.50	AA+0.51s to AAA	2026-01-03	2026 Pacific Coast All Star Meet venue
200 Butterfly	SCY	2:04.43	AA+3.44s to AAA	2026-03-01	2026 Pacific Committee SC Chmpionship venue
100 Individual Medley	SCY	58.00		2025-10-27	2025 CA SPAR Revenge of the Spooky Splash Int venue
200 Individual Medley	SCY	1:55.38	AAAA	2026-03-15	2026 SCS Spring Age Group Champs @ RMDA - cop venue
400 Individual Medley	SCY	4:13.64	AAA+4.95s to AAAA	2026-02-28	2026 Pacific Committee SC Chmpionship venue
50 Freestyle	LCM	25.86	AAA+0.87s to AAAA	2026-06-14	2026 SCS June AG Invite-CANY venue
100 Freestyle	LCM	56.08	AAA+1.59s to AAAA	2025-07-23	2025 CA SCS Summer A/G Champs
200 Freestyle	LCM	2:06.47	AA+0.68s to AAA	2025-07-19	2025 Summer Pacific Champs @BLAST venue
400 Freestyle	LCM	4:37.89	AA+10.10s to AAA	2025-07-25	2025 CA SCS Summer A/G Champs
50 Backstroke	LCM	29.30	AAA+0.31s to AAAA	2026-05-23	2026 CA 30th NOVA-Speedo Grand Challenge venue
100 Backstroke	LCM	1:02.57	AAA+1.68s to AAAA	2025-07-26	2025 CA SCS Summer A/G Champs
200 Backstroke	LCM	2:15.58	AAA+3.39s to AAAA	2025-07-23	2025 CA SCS Summer A/G Champs
50 Breaststroke	LCM	31.24	AAAA	2026-04-04	2026 Red vs Black LCM Intrasquad venue
100 Breaststroke	LCM	1:07.44	AAAA	2025-07-24	2025 CA SCS Summer A/G Champs
200 Breaststroke	LCM	2:30.05	AAA+0.06s to AAAA	2025-07-26	2025 CA SCS Summer A/G Champs
50 Butterfly	LCM	27.74	AAA+0.35s to AAAA	2026-06-13	2026 SCS June AG Invite-CANY venue
200 Individual Medley	LCM	2:17.88	AAA+3.79s to AAAA	2026-06-21	2026 CA MVN Fran Crippen SMOC venue
400 Individual Medley	LCM	5:02.90	AA+1.01s to AAA	2026-06-11	2026 SCS June AG Invite-CANY venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 15.

Fastest relay legs

Leg	Course	Time	Start	Relay	Date	Meet
50 Freestyle	SCY	22.00	flying	200 Free Relay (leg 4)	2025-12-12	2025 CA SCS/RAA WAG
100 Freestyle	SCY	50.27	flying	400 Free Relay (leg 4)	2025-03-14	2025 SCS Spring Age Group Champs @ Armada
50 Breaststroke	SCY	26.12	flying	200 Medley Relay (leg 2)	2025-03-16	2025 SCS Spring Age Group Champs @ Armada
100 Breaststroke	SCY	59.62	flying	400 Medley Relay (leg 2)	2025-03-15	2025 SCS Spring Age Group Champs @ Armada
50 Freestyle	LCM	25.56	flying	200 Free Relay (leg 4)	2025-07-24	2025 CA SCS Summer A/G Champs
100 Freestyle	LCM	57.39	flying	400 Free Relay (leg 4)	2025-07-26	2025 CA SCS Summer A/G Champs
50 Breaststroke	LCM	30.90	flying	200 Medley Relay (leg 2)	2025-07-24	2025 CA SCS Summer A/G 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 15-16 · SCY

4969 points (6/6 events)

Event	Time	Points
500 FR SCY	5:14.97	674
200 BK SCY	1:57.68	832
200 BR SCY	2:09.14	913
200 FL SCY	2:04.43	742
200 IM SCY	1:55.38	944
400 IM SCY	4:13.64	864

IMR 15-16 · SCY

4435 points (5/5 events)

Event	Time	Points
200 FR SCY	1:46.83	870
100 BK SCY	53.30	860
100 BR SCY	58.25	971
100 FL SCY	54.50	790
200 IM SCY	1:55.38	944

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

PR splits

100 Freestyle SCY 49.22

23.91

25.31

Front half 23.91s · back half 25.31s

200 Freestyle SCY 1:46.83

24.65

27.47

27.37

27.34

Front half 52.12s · back half 54.71s

500 Freestyle SCY 5:14.97

27.59

30.85

31.44

31.79

32.03

31.93

32.19

32.62

32.64

31.89

Front half 153.70s · back half 161.27s

100 Backstroke SCY 53.30

25.94

27.36

Front half 25.94s · back half 27.36s

200 Backstroke SCY 1:57.68

27.45

29.27

30.48

Front half 56.72s · back half 60.96s

100 Breaststroke SCY 58.25

27.45

30.80

Front half 27.45s · back half 30.80s

200 Breaststroke SCY 2:09.14

29.27

32.79

33.31

33.77

Front half 62.06s · back half 67.08s

100 Butterfly SCY 54.50

24.74

29.76

Front half 24.74s · back half 29.76s

200 Butterfly SCY 2:04.43

26.35

30.80

33.05

34.23

Front half 57.15s · back half 67.28s

100 Individual Medley SCY 58.00

28.54

29.46

Front half 28.54s · back half 29.46s

200 Individual Medley SCY 1:55.38

24.75

30.22

32.13

28.28

Front half 54.97s · back half 60.41s

400 Individual Medley SCY 4:13.64

26.09

30.89

33.32

32.80

34.71

35.35

30.88

29.60

Front half 123.10s · back half 130.54s

100 Freestyle LCM 56.08 RT 0.58s

26.87

29.21

Front half 26.87s · back half 29.21s

200 Freestyle LCM 2:06.47

60.21

66.26

Front half 60.21s · back half 66.26s

400 Freestyle LCM 4:37.89 RT 0.61s

30.08

35.06

35.56

36.31

36.23

35.93

35.72

33.00

Front half 137.01s · back half 140.88s

100 Backstroke LCM 1:02.57 RT 0.75s

30.88

31.69

Front half 30.88s · back half 31.69s

200 Backstroke LCM 2:15.58 RT 0.85s

31.65

33.74

35.36

34.83

Front half 65.39s · back half 70.19s

100 Breaststroke LCM 1:07.44 RT 0.58s

30.94

36.50

Front half 30.94s · back half 36.50s

200 Breaststroke LCM 2:30.05 RT 0.62s

34.68

38.65

39.11

37.61

Front half 73.33s · back half 76.72s

200 Individual Medley LCM 2:17.88

29.09

36.32

39.60

32.87

Front half 65.41s · back half 72.47s

400 Individual Medley LCM 5:02.90

31.52

37.74

39.64

38.51

84.40

36.29

34.80

Reaction time

fastest 0.53s average 0.642s slowest 0.85s 12 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 22.23 12 swims

100 Freestyle SCY 49.22 14 swims

200 Freestyle SCY 1:46.83 9 swims

500 Freestyle SCY 5:14.97 1 swim

50 Backstroke SCY 25.01 4 swims

100 Backstroke SCY 53.30 18 swims

200 Backstroke SCY 1:57.68 14 swims

50 Breaststroke SCY 26.75 2 swims

100 Breaststroke SCY 58.25 18 swims

200 Breaststroke SCY 2:09.14 14 swims

50 Butterfly SCY 24.56 3 swims

100 Butterfly SCY 54.50 10 swims

200 Butterfly SCY 2:04.43 6 swims

100 Individual Medley SCY 58.00 2 swims

200 Individual Medley SCY 1:55.38 12 swims

400 Individual Medley SCY 4:13.64 4 swims

50 Freestyle LCM 25.86 3 swims

100 Freestyle LCM 56.08 6 swims

200 Freestyle LCM 2:06.47 4 swims

400 Freestyle LCM 4:37.89 3 swims

50 Backstroke LCM 29.30 3 swims

100 Backstroke LCM 1:02.57 7 swims

200 Backstroke LCM 2:15.58 8 swims

50 Breaststroke LCM 31.24 6 swims

100 Breaststroke LCM 1:07.44 11 swims

200 Breaststroke LCM 2:30.05 8 swims

50 Butterfly LCM 27.74 2 swims

200 Individual Medley LCM 2:17.88 6 swims

400 Individual Medley LCM 5:02.90 4 swims