swimZihan Zhou
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 28.82 | BB+0.73s to A | 2026-03-29 | Piedmont Swim Team C/B/BB+ venue |
| 100 Freestyle | SCY | 1:03.66 | BB+2.37s to A | 2026-03-07 | SRVA Last Chance Meet B/BB+ venue |
| 200 Freestyle | SCY | 2:21.70 | BB+8.01s to A | 2026-02-21 | Pacific Swim SCY C/B/BB+ Meet hosted by TERA venue |
| 500 Freestyle | SCY | 6:37.49 | B+7.50s to BB | 2026-03-07 | SRVA Last Chance Meet B/BB+ venue |
| 50 Backstroke | SCY | 35.00 | BB+2.31s to A | 2026-05-17 | Montclair 14-Under Short Course Pentathlon venue |
| 100 Backstroke | SCY | 1:19.04 | B+3.35s to BB | 2026-03-28 | Piedmont Swim Team C/B/BB+ venue |
| 50 Breaststroke | SCY | 41.42 | B+1.33s to BB | 2026-03-28 | Piedmont Swim Team C/B/BB+ venue |
| 100 Breaststroke | SCY | 1:27.87 | B+2.38s to BB | 2026-03-29 | Piedmont Swim Team C/B/BB+ venue |
| 200 Breaststroke | SCY | 3:17.43 | +0.94s to B | 2026-03-08 | SRVA Last Chance Meet B/BB+ venue |
| 50 Butterfly | SCY | 33.99 | BB+2.80s to A | 2026-05-17 | Montclair 14-Under Short Course Pentathlon venue |
| 100 Individual Medley | SCY | 1:13.28 | BB+3.29s to A | 2026-05-17 | Montclair 14-Under Short Course Pentathlon venue |
| 200 Individual Medley | SCY | 2:52.66 | B+6.87s to BB | 2026-02-01 | Zone 2 Winter Championship Meet venue |
| 50 Freestyle | LCM | 31.19 | A+0.40s to AA | 2026-06-13 | Orinda PC LC AG C/B/BB+ venue |
| 100 Freestyle | LCM | 1:09.66 | A+2.17s to AA | 2026-06-14 | Orinda PC LC AG C/B/BB+ venue |
| 200 Freestyle | LCM | 2:40.78 | BB+7.19s to A | 2026-04-25 | Brentwood Seawolves long course C/B/BB+ venue |
| 400 Freestyle | LCM | 5:39.45 | BB+12.76s to A | 2026-04-25 | Brentwood Seawolves long course C/B/BB+ venue |
| 50 Backstroke | LCM | 42.26 | B+1.07s to BB | 2026-04-25 | Brentwood Seawolves long course C/B/BB+ venue |
| 100 Backstroke | LCM | 1:28.00 | BB+6.11s to A | 2026-06-14 | Orinda PC LC AG C/B/BB+ venue |
| 50 Breaststroke | LCM | 46.31 | B+0.42s to BB | 2026-04-26 | Brentwood Seawolves long course C/B/BB+ venue |
| 100 Breaststroke | LCM | 1:35.87 | BB+4.58s to A | 2026-06-13 | Orinda PC LC AG C/B/BB+ venue |
| 50 Butterfly | LCM | 37.17 | BB+1.88s to A | 2026-06-13 | Orinda PC LC AG C/B/BB+ venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 12.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 100 Freestyle | SCY | 1:04.37 | flying | 400 Free Relay (leg 3) | 2026-03-22 | SCY Spring 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 11-12 · SCY
1829 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 6:37.49 | 497 |
| 100 BK SCY | 1:19.04 | 426 |
| 100 BR SCY | 1:27.87 | 459 |
| 200 IM SCY | 2:52.66 | 447 |
| 100 FL SCY | — | 0 |
IMR 11-12 · SCY
2586 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:21.70 | 562 |
| 50 BK SCY | 35.00 | 522 |
| 50 BR SCY | 41.42 | 439 |
| 50 FL SCY | 33.99 | 484 |
| 100 IM SCY | 1:13.28 | 579 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
Progression
Faster times are higher. One card per event, all courses & history.