swimWilliam Mao
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 36.74 | +1.65s to B·+14.35s to Sectionals | 2020-02-01 | Delmar Dolfins February Freeze Invitational venue |
| 100 Freestyle | SCY | 1:24.80 | +8.71s to B·+36.31s to Sectionals | 2020-01-04 | 2020 Starfish Trophy Invitational venue |
| 50 Backstroke | SCY | 41.97 | +0.78s to B·+18.28s to Futures | 2020-01-04 | 2020 Starfish Trophy Invitational venue |
| 100 Backstroke | SCY | 1:38.66 | +8.87s to B·+44.17s to Sectionals | 2020-02-29 | SHEN AD Silver Short Course Championships venue |
| 50 Breaststroke | SCY | 49.75 | +2.86s to B·+23.46s to Futures | 2019-11-24 | 2019 Bluefins Pilgrims Pride |
| 50 Butterfly | SCY | 43.27 | +3.18s to B·+20.38s to Futures | 2020-02-01 | Delmar Dolfins February Freeze Invitational venue |
| 100 Individual Medley | SCY | 1:31.86 | +3.77s to B | 2020-01-04 | 2020 Starfish Trophy Invitational venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 11.
National cuts (Sectionals → Nationals) are the current-season meet qualifying times for the swimmer's zone and age group; ✓ marks the hardest cut already achieved.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 36.34 | flying | 200 Free Relay (leg 3) | 2020-03-01 | SHEN AD Silver Short Course Championships |
| 50 Backstroke | SCY | 45.04 | flat | 200 Medley Relay | 2020-02-29 | SHEN AD Silver Short Course 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
219 points (1/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 100 BK SCY | 1:38.66 | 219 |
| 500 FR SCY | — | 0 |
| 100 BR SCY | — | 0 |
| 100 FL SCY | — | 0 |
| 200 IM SCY | — | 0 |
IMR 11-12 · SCY
1084 points (4/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 50 BK SCY | 41.97 | 303 |
| 50 BR SCY | 49.75 | 253 |
| 50 FL SCY | 43.27 | 234 |
| 100 IM SCY | 1:31.86 | 294 |
| 200 FR SCY | — | 0 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:24.80
Front half 38.36s · back half 46.44s
100 Backstroke SCY 1:38.66
Front half 46.85s · back half 51.81s
100 Individual Medley SCY 1:31.86
Front half 42.10s · back half 49.76s
Progression
Faster times are higher. One card per event, all courses & history.