Sizhe Zheng
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 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
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 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)
| Event | Time | 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)
| Event | Time | 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
Front half 27.40s · back half 29.28s
200 Freestyle SCY 2:10.30 RT 0.75s
Front half 62.58s · back half 67.72s
100 Backstroke SCY 1:06.09 RT 0.65s
Front half 32.80s · back half 33.29s
100 Breaststroke SCY 1:15.62
Front half 36.87s · back half 38.75s
100 Butterfly SCY 1:05.00
Front half 30.55s · back half 34.45s
200 Individual Medley SCY 2:21.87
Front half 66.29s · back half 75.58s
Reaction time
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.