swimWilliam Zheng
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 32.87 | +1.78s to B | 2024-07-27 | 2024 Summer Area 4 Championships venue |
| 100 Freestyle | SCY | 1:22.81 | +15.22s to B | 2024-05-04 | 2024 USC May Invite slow pool |
| 200 Freestyle | SCY | 2:50.03 | +22.24s to B | 2024-06-15 | 2024 USC Summer Splash venue |
| 500 Freestyle | SCY | 7:37.10 | +58.41s to B | 2024-07-27 | 2024 Summer Area 4 Championships venue |
| 50 Backstroke | SCY | 42.71 | +7.32s to B | 2024-06-14 | 2024 USC Summer Splash venue |
| 100 Backstroke | SCY | 1:19.02 | +4.63s to B | 2025-06-14 | 2025 USC Summer Splash venue |
| 50 Breaststroke | SCY | 43.18 | +2.69s to B | 2025-06-14 | 2025 USC Summer Splash venue |
| 50 Butterfly | SCY | 37.91 | +3.22s to B | 2025-06-14 | 2025 USC Summer Splash venue |
| 100 Butterfly | SCY | 1:34.26 | +20.47s to B | 2024-07-27 | 2024 Summer Area 4 Championships |
| 200 Individual Medley | SCY | 2:54.10 | +9.41s to B | 2025-06-14 | 2025 USC Summer Splash venue |
| 50 Freestyle | LCM | 38.76 | +3.07s to B | 2024-06-22 | 2024 ATAC Long Course venue |
| 400 Freestyle | LCM | 6:38.73 | +38.84s to B | 2024-06-22 | 2024 ATAC Long Course venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 13.
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 | 1:06.25 | flying | 200 Free Relay (leg 4) | 2024-07-27 | 2024 Summer Area 4 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 · SCY
568 points (2/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 7:37.10 | 253 |
| 200 IM SCY | 2:54.10 | 315 |
| 200 BK SCY | — | 0 |
| 200 BR SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 13-14 · SCY
1049 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:50.03 | 248 |
| 100 BK SCY | 1:19.02 | 310 |
| 100 FL SCY | 1:34.26 | 176 |
| 200 IM SCY | 2:54.10 | 315 |
| 100 BR SCY | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
500 Freestyle SCY 7:37.10
Front half 221.94s · back half 235.16s
400 Freestyle LCM 6:38.73
Front half 199.45s · back half 199.28s
Progression
Faster times are higher. One card per event, all courses & history.