Jeffrey Zhang

Mage 14ILMIOKFMCILPPD

56 plausible swims · 8 meets · 2023-08-03 → 2026-03-15

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	26.35	BB+0.76s to A	2024-03-10	2024 IL Swimming SC Age Group Championships slow pool
100 Freestyle	SCY	56.15	BB+0.36s to A	2024-07-14	2024 IL BSC Summer Regional Championships slow pool
200 Freestyle	SCY	1:57.66	A+0.57s to AA	2025-03-14	2025 ISI Winter 11-14 Age Group Championships venue
50 Breaststroke	SCY	29.37	AAA+0.48s to AAAA	2025-03-16	2025 ISI Winter 11-14 Age Group Championships venue
100 Breaststroke	SCY	1:03.63	AA+0.24s to AAA	2025-03-14	2025 ISI Winter 11-14 Age Group Championships venue
200 Breaststroke	SCY	2:19.22	AA+1.43s to AAA	2025-03-15	2025 ISI Winter 11-14 Age Group Championships venue
50 Butterfly	SCY	28.39	A+1.10s to AA	2025-03-15	2025 ISI Winter 11-14 Age Group Championships venue
100 Butterfly	SCY	59.50	A+1.61s to AA	2025-03-14	2025 ISI Winter 11-14 Age Group Championships venue
100 Individual Medley	SCY	1:02.63		2024-03-08	2024 IL Swimming SC Age Group Championships slow pool
200 Individual Medley	SCY	2:09.46	AA+5.37s to AAA	2025-03-15	2025 ISI Winter 11-14 Age Group Championships venue
400 Individual Medley	SCY	4:41.46	A+4.07s to AA	2026-03-13	2026 ISI Winter 11-14 Age Group Championships venue
100 Freestyle	LCM	1:08.04	BB+3.65s to A	2023-08-03	2023 Central Zone 14 & U Championship - KS
400 Freestyle	LCM	4:39.85	AA+4.86s to AAA	2025-07-25	Illinois Swimming Age Group Champs LC 25 venue
50 Breaststroke	LCM	32.71	AAAA	2025-07-26	Illinois Swimming Age Group Champs LC 25 venue
100 Breaststroke	LCM	1:13.33	AAA+2.84s to AAAA	2025-07-25	Illinois Swimming Age Group Champs LC 25 venue
200 Breaststroke	LCM	2:36.59	AAA+3.60s to AAAA	2025-07-24	Illinois Swimming Age Group Champs LC 25 venue
200 Individual Medley	LCM	2:24.78	AA+0.99s to AAA	2025-07-27	Illinois Swimming Age Group Champs LC 25 venue
400 Individual Medley	LCM	5:12.72	AA+5.23s to AAA	2025-07-26	Illinois Swimming Age Group Champs LC 25 venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 14.

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
100 Freestyle	SCY	56.04	flying	400 Free Relay (leg 2)	2024-03-10	2024 IL Swimming SC Age Group Championships
50 Breaststroke	SCY	28.98	flying	200 Medley Relay (leg 2)	2025-03-14	2025 ISI Winter 11-14 Age Group Championships
100 Breaststroke	SCY	1:02.36	flying	400 Medley Relay (leg 2)	2025-03-15	2025 ISI Winter 11-14 Age Group 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 · LCM

3401 points (4/6 events — incomplete)

Event	Time	Points
400 FR LCM	4:39.85	813
200 BR LCM	2:36.59	916
200 IM LCM	2:24.78	850
400 IM LCM	5:12.72	822
200 BK LCM	—	0
200 FL LCM	—	0

IMR 13-14 · SCY

3071 points (4/5 events — incomplete)

Event	Time	Points
200 FR SCY	1:57.66	749
100 BR SCY	1:03.63	854
100 FL SCY	59.50	702
200 IM SCY	2:09.46	766
100 BK SCY	—	0

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

PR splits

100 Freestyle SCY 56.15

27.17

28.98

Front half 27.17s · back half 28.98s

200 Freestyle SCY 1:57.66 RT 0.63s

27.71

29.82

30.33

29.80

Front half 57.53s · back half 60.13s

100 Breaststroke SCY 1:03.63 RT 0.63s

29.93

33.70

Front half 29.93s · back half 33.70s

200 Breaststroke SCY 2:19.22 RT 0.64s

31.04

35.95

36.16

36.07

Front half 66.99s · back half 72.23s

100 Butterfly SCY 59.50 RT 0.64s

28.33

31.17

Front half 28.33s · back half 31.17s

100 Individual Medley SCY 1:02.63

30.15

32.48

Front half 30.15s · back half 32.48s

200 Individual Medley SCY 2:09.46 RT 0.63s

27.82

35.66

35.58

30.40

Front half 63.48s · back half 65.98s

400 Individual Medley SCY 4:41.46

28.56

34.71

38.16

37.26

37.54

38.52

34.43

32.28

Front half 138.69s · back half 142.77s

400 Freestyle LCM 4:39.85 RT 0.65s

30.93

34.76

35.64

36.89

35.93

36.73

34.80

34.17

Front half 138.22s · back half 141.63s

100 Breaststroke LCM 1:13.33 RT 0.51s

33.67

39.66

Front half 33.67s · back half 39.66s

200 Breaststroke LCM 2:36.59 RT 0.62s

34.61

39.96

41.86

40.16

Front half 74.57s · back half 82.02s

200 Individual Medley LCM 2:24.78 RT 0.37s

31.07

39.76

40.20

33.75

Front half 70.83s · back half 73.95s

400 Individual Medley LCM 5:12.72 RT 0.51s

32.72

37.94

42.76

41.29

42.32

42.64

37.94

35.11

Front half 154.71s · back half 158.01s

Reaction time

fastest 0.37s average 0.610s slowest 0.69s 18 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 26.35 2 swims

100 Freestyle SCY 56.15 1 swim

200 Freestyle SCY 1:57.66 2 swims

50 Breaststroke SCY 29.37 5 swims

100 Breaststroke SCY 1:03.63 7 swims

200 Breaststroke SCY 2:19.22 5 swims

50 Butterfly SCY 28.39 2 swims

100 Butterfly SCY 59.50 1 swim

100 Individual Medley SCY 1:02.63 2 swims

200 Individual Medley SCY 2:09.46 5 swims

400 Individual Medley SCY 4:41.46 2 swims

100 Freestyle LCM 1:08.04 2 swims

400 Freestyle LCM 4:39.85 1 swim

50 Breaststroke LCM 32.71 4 swims

100 Breaststroke LCM 1:13.33 6 swims

200 Breaststroke LCM 2:36.59 6 swims

200 Individual Medley LCM 2:24.78 2 swims

400 Individual Medley LCM 5:12.72 1 swim