Jercey Zhao

Mage 10IEMTPNBCPDSTUN-BC

180 plausible swims · 30 meets · 2024-12-08 → 2026-06-21

Personal records

Event	Course	Best	Cut	Date	Meet
50 Freestyle	SCY	33.63	BB+2.44s to A	2026-01-31	2026 PN BISC Bluefin Invitational venue
100 Freestyle	SCY	1:13.40	BB+3.21s to A	2026-06-21	2026 PN SRST Summer Invitational - Approved venue
200 Freestyle	SCY	2:51.73	B+1.04s to BB	2025-11-16	2025 PN PAC Q Meet venue
50 Backstroke	SCY	38.35	BB+0.56s to A	2026-03-01	2026 PN February AGI, Div 3- Approved venue
100 Backstroke	SCY	1:22.88	BB+2.99s to A	2026-01-31	2026 PN BISC Bluefin Invitational venue
50 Breaststroke	SCY	34.81	AAAA	2026-03-22	2026 NW Region Age Group Champs- Approved venue
100 Breaststroke	SCY	1:17.12	AAAA	2026-03-19	2026 NW Region Age Group Champs- Approved
200 Breaststroke	SCY	2:54.09		2026-06-19	2026 PN SRST Summer Invitational - Approved venue
50 Butterfly	SCY	40.36	BB+4.27s to A	2026-06-21	2026 PN SRST Summer Invitational - Approved venue
100 Butterfly	SCY	1:38.66	BB+14.07s to A	2025-10-19	2025 PN VAST Fall Classic venue
100 Individual Medley	SCY	1:16.66	A+0.17s to AA	2026-06-21	2026 PN SRST Summer Invitational - Approved venue
200 Individual Medley	SCY	2:48.46	A+2.57s to AA	2026-06-19	2026 PN SRST Summer Invitational - Approved venue
50 Freestyle	LCM	24.92	AAAA	2025-06-14	2025 IST June Invtational
100 Freestyle	LCM	1:20.93	BB+0.74s to A	2026-05-30	2026 IE VS Apple Capital slow pool
200 Freestyle	LCM	3:01.31	BB+7.62s to A	2026-06-14	2026 PN IST June Invtational- Approved venue
50 Backstroke	LCM	44.41	BB+1.32s to A	2026-05-03	2026 PN BC May Flowers - Approved venue
100 Backstroke	LCM	1:35.33	BB+3.04s to A	2026-05-02	2026 PN BC May Flowers - Approved venue
50 Breaststroke	LCM	40.16	AAAA	2026-06-14	2026 PN IST June Invtational- Approved venue
100 Breaststroke	LCM	1:29.65	AAAA	2026-05-31	2026 IE VS Apple Capital slow pool
50 Butterfly	LCM	44.16	BB+3.57s to A	2026-05-30	2026 IE VS Apple Capital slow pool
100 Butterfly	LCM	1:45.30	BB+9.01s to A	2026-05-31	2026 IE VS Apple Capital slow pool
200 Individual Medley	LCM	3:15.17	A+5.48s to AA	2026-06-13	2026 PN IST June Invtational- Approved venue

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 10.

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 Breaststroke	LCM	45.62	flying	200 Medley Relay (leg 2)	2025-07-26	2025 PN LC 12&U 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 10 & under · LCM

3361 points (5/5 events)

Event	Time	Points
200 FR LCM	3:01.31	585
100 BK LCM	1:35.33	590
100 BR LCM	1:29.65	1069
100 FL LCM	1:45.30	431
200 IM LCM	3:15.17	686

IMR 10 & under · LCM

3488 points (5/5 events)

Event	Time	Points
100 FR LCM	1:20.93	641
50 BK LCM	44.41	577
50 BR LCM	40.16	1100
50 FL LCM	44.16	484
200 IM LCM	3:15.17	686

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

PR splits

100 Freestyle SCY 1:13.40 · 6.0 min after 50 Butterfly

36.00

37.40

Front half 36.00s · back half 37.40s

200 Freestyle SCY 2:51.73 RT 0.91s

37.83

45.06

46.17

42.67

Front half 82.89s · back half 88.84s

100 Backstroke SCY 1:22.88

39.42

43.46

Front half 39.42s · back half 43.46s

200 Breaststroke SCY 2:54.09

15.27

22.47

44.95

91.40

Front half 37.74s · back half 136.35s

100 Butterfly SCY 1:38.66 RT 0.84s

46.35

52.31

Front half 46.35s · back half 52.31s

100 Individual Medley SCY 1:16.66

38.27

38.39

Front half 38.27s · back half 38.39s

200 Individual Medley SCY 2:48.46 · 16.0 min after 200 Breaststroke

39.12

46.28

42.62

40.44

Front half 85.40s · back half 83.06s

100 Freestyle LCM 1:20.93

38.31

42.62

Front half 38.31s · back half 42.62s

200 Freestyle LCM 3:01.31 RT 0.58s

88.82

92.49

Front half 88.82s · back half 92.49s

100 Breaststroke LCM 1:29.65

44.29

45.36

Front half 44.29s · back half 45.36s

100 Butterfly LCM 1:45.30

48.04

57.26

Front half 48.04s · back half 57.26s

200 Individual Medley LCM 3:15.17

99.13

96.04

Front half 99.13s · back half 96.04s

Reaction time

fastest 0.54s average 0.758s slowest 0.93s 43 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 33.63 12 swims

100 Freestyle SCY 1:13.40 9 swims

200 Freestyle SCY 2:51.73 1 swim

50 Backstroke SCY 38.35 13 swims

100 Backstroke SCY 1:22.88 6 swims

50 Breaststroke SCY 34.81 18 swims

100 Breaststroke SCY 1:17.12 14 swims

200 Breaststroke SCY 2:54.09 1 swim

50 Butterfly SCY 40.36 11 swims

100 Butterfly SCY 1:38.66 1 swim

100 Individual Medley SCY 1:16.66 19 swims

200 Individual Medley SCY 2:48.46 9 swims

50 Freestyle LCM 24.92 7 swims

100 Freestyle LCM 1:20.93 8 swims

200 Freestyle LCM 3:01.31 5 swims

50 Backstroke LCM 44.41 10 swims

100 Backstroke LCM 1:35.33 6 swims

50 Breaststroke LCM 40.16 12 swims

100 Breaststroke LCM 1:29.65 9 swims

50 Butterfly LCM 44.16 4 swims

100 Butterfly LCM 1:45.30 2 swims

200 Individual Medley LCM 3:15.17 3 swims