swimWilliam Xu
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 25 Freestyle | SCY | 28.58 | 2020-03-01 | SHEN AD Silver Short Course Championshipsvenue | |
| 50 Freestyle | SCY | 39.31 | +16.92s to Sectionals | 2023-03-05 | AD Silver Short Course Championshipsfast pool |
| 100 Freestyle | SCY | 1:25.89 | +37.40s to Sectionals | 2023-01-07 | 2023 Starfish Trophy Invitationalvenue |
| 200 Freestyle | SCY | 3:10.24 | +83.95s to Sectionals | 2023-01-06 | 2023 Starfish Trophy Invitationalvenue |
| 25 Backstroke | SCY | 28.10 | 2020-02-29 | SHEN AD Silver Short Course Championshipsvenue | |
| 50 Backstroke | SCY | 46.45 | +22.76s to Futures | 2023-06-11 | Piranhas Summer Kick-Off Meet |
| 100 Backstroke | SCY | 2:04.57 | +70.08s to Sectionals | 2022-03-06 | AD Silver Short Course Championshipsvenue |
| 50 Breaststroke | SCY | 1:01.97 | +35.68s to Futures | 2022-10-23 | Trick or Treat Meetvenue |
| 25 Butterfly | SCY | 43.82 | 2019-12-21 | Sharks 12 & Under Mini-Meet | |
| 50 Butterfly | SCY | 52.51 | +29.62s to Futures | 2023-03-05 | AD Silver Short Course Championshipsfast pool |
| 100 Individual Medley | SCY | 1:54.01 | 2022-06-11 | Piranhas Summer Kick-Off Meetvenue | |
| 50 Backstroke | SCM | 1:21.99 | 2021-06-12 | Piranhas Summer Kick Offvenue | |
| 50 Breaststroke | SCM | 1:23.07 | 2021-06-12 | Piranhas Summer Kick Offvenue |
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.
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 | 46.86 | flying | 200 Free Relay (leg 2) | 2022-03-06 | 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 10 & under · SCY
508 points (2/5 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 3:10.24 | 339 |
| 100 BK SCY | 2:04.57 | 169 |
| 100 BR SCY | — | 0 |
| 100 FL SCY | — | 0 |
| 200 IM SCY | — | 0 |
IMR 10 & under · SCY
1316 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 100 FR SCY | 1:25.89 | 352 |
| 50 BK SCY | 46.45 | 332 |
| 50 BR SCY | 1:01.97 | 202 |
| 50 FL SCY | 52.51 | 201 |
| 100 IM SCY | 1:54.01 | 229 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:25.89
Front half 43.07s · back half 42.82s
200 Freestyle SCY 3:10.24
Front half 93.61s · back half 96.63s
100 Backstroke SCY 2:04.57
Front half 62.63s · back half 61.94s
100 Individual Medley SCY 1:54.01
Front half 57.65s · back half 56.36s
Swim history
Every recorded swim, newest first
| Date | Event | Course | Time | Age | Round | Meet |
|---|
Individual swims with a recorded date and time — including disqualifications — plus reconstructed relay legs (marked). Assembled in the browser from this page’s data.
Progression
Faster times are higher. One card per event, all courses & history.