Sizhe Zheng

Mage 14IEPNIST

15 plausible swims · 4 meets · 2021-06-05 → 2024-06-22

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 25.71 BB+0.12s to A 2024-02-25 2024 PN February Age Group Invitational venue
100 Freestyle SCY 56.68 BB+0.89s to A 2024-02-24 2024 PN February Age Group Invitational venue
200 Freestyle SCY 2:10.30 BB+8.11s to A 2024-02-25 2024 PN February Age Group Invitational venue
50 Backstroke SCY 30.02 BB+1.13s to A 2024-02-25 2024 PN February Age Group Invitational venue
100 Backstroke SCY 1:06.09 BB+4.90s to A 2024-02-24 2024 PN February Age Group Invitational venue
100 Breaststroke SCY 1:15.62 B+0.73s to BB 2024-02-04 2024 PN IST February Time Trial Invitational venue
100 Butterfly SCY 1:05.00 BB+4.61s to A 2024-02-04 2024 PN IST February Time Trial Invitational venue
200 Individual Medley SCY 2:21.87 BB+6.48s to A 2024-02-24 2024 PN February Age Group Invitational venue
100 Freestyle LCM 1:31.63 +16.54s to B 2021-06-05 2021 IE VS Apple Capital slow pool
50 Backstroke LCM 34.88 BB+0.99s to A 2024-06-22 2024 IST June Invtational venue
50 Breaststroke LCM 1:02.28 +18.19s to B 2021-06-05 2021 IE VS Apple Capital slow pool
50 Butterfly LCM 1:06.57 +29.28s to B 2021-06-05 2021 IE VS Apple Capital slow pool

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

LegCourseTime StartRelayDateMeet
50 Freestyle SCY 25.40 flat 200 Free Relay 2024-03-23 2024 Northwest Region Age Group Regionals

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

582 points (1/6 events — incomplete)

EventTime Points
200 IM SCY 2:21.87 582
500 FR SCY 0
200 BK SCY 0
200 BR SCY 0
200 FL SCY 0
400 IM SCY 0

IMR 13-14 · SCY

2711 points (5/5 events)

EventTime Points
200 FR SCY 2:10.30 552
100 BK SCY 1:06.09 530
100 BR SCY 1:15.62 509
100 FL SCY 1:05.00 538
200 IM SCY 2:21.87 582

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

PR splits

100 Freestyle SCY 56.68 RT 0.76s

27.40
29.28

Front half 27.40s · back half 29.28s

200 Freestyle SCY 2:10.30 RT 0.75s

29.45
33.13
34.66
33.06

Front half 62.58s · back half 67.72s

100 Backstroke SCY 1:06.09 RT 0.65s

32.80
33.29

Front half 32.80s · back half 33.29s

100 Breaststroke SCY 1:15.62

36.87
38.75

Front half 36.87s · back half 38.75s

100 Butterfly SCY 1:05.00

30.55
34.45

Front half 30.55s · back half 34.45s

200 Individual Medley SCY 2:21.87

30.45
35.84
42.28
33.30

Front half 66.29s · back half 75.58s

Reaction time

fastest 0.65s average 0.698s slowest 0.76s 6 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 25.71 1 swim
100 Freestyle SCY 56.68 2 swims
200 Freestyle SCY 2:10.30 1 swim
50 Backstroke SCY 30.02 2 swims
100 Backstroke SCY 1:06.09 2 swims
100 Breaststroke SCY 1:15.62 1 swim
100 Butterfly SCY 1:05.00 1 swim
200 Individual Medley SCY 2:21.87 1 swim
100 Freestyle LCM 1:31.63 1 swim
50 Backstroke LCM 34.88 1 swim
50 Breaststroke LCM 1:02.28 1 swim
50 Butterfly LCM 1:06.57 1 swim