William Xu
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 32.22 | BB+2.13s to A·+9.63s to Sectionals | 2026-02-21 | 2026 CW Goldfish Invitevenue |
| 100 Freestyle | SCY | 1:14.80 | B+4.21s to BB·+25.81s to Sectionals | 2026-01-17 | SLA Arctic Blast 2026venue |
| 200 Freestyle | SCY | 2:39.79 | B+5.10s to BB·+52.30s to Sectionals | 2026-01-16 | SLA Arctic Blast 2026venue |
| 500 Freestyle | SCY | 8:43.49 | +77.30s to B·+230.60s to Sectionals | 2024-11-22 | SST Fall Classicvenue |
| 50 Backstroke | SCY | 34.97 | BB+0.08s to A·+10.48s to Sectionals | 2026-03-07 | 2026 Lake Ontario Regional Meetvenue |
| 100 Backstroke | SCY | 1:15.87 | BB+0.28s to A·+19.78s to Sectionals | 2026-05-30 | 2026 CW Short Course Flashbackvenue |
| 200 Backstroke | SCY | 2:40.36 | A+6.27s to AA·+38.97s to Sectionals | 2026-03-07 | 2026 Lake Ontario Regional Meetvenue |
| 50 Breaststroke | SCY | 42.21 | BB+2.72s to A·+15.02s to Sectionals | 2026-02-22 | 2026 CW Goldfish Invitevenue |
| 100 Breaststroke | SCY | 1:33.23 | B+0.64s to BB·+29.64s to Sectionals | 2026-01-18 | SLA Arctic Blast 2026venue |
| 50 Butterfly | SCY | 34.80 | BB+1.11s to A·+11.11s to Sectionals | 2026-03-07 | 2026 Lake Ontario Regional Meetvenue |
| 100 Butterfly | SCY | 1:31.47 | +0.98s to B·+37.48s to Sectionals | 2025-11-23 | 2025 SST Fall Classicvenue |
| 100 Individual Medley | SCY | 1:20.53 | BB+5.24s to A | 2026-01-18 | SLA Arctic Blast 2026venue |
| 200 Individual Medley | SCY | 2:50.78 | BB+7.09s to A·+49.79s to Sectionals | 2026-03-08 | 2026 Lake Ontario Regional Meetvenue |
| 50 Freestyle | LCM | 34.66 | BB+0.47s to A·+8.67s to Sectionals | 2026-06-14 | 2026 CW Summer Vacation Invitevenue |
| 100 Freestyle | LCM | 1:21.28 | BB+5.99s to A·+24.69s to Sectionals | 2026-06-13 | 2026 CW Summer Vacation Invitevenue |
| 200 Freestyle | LCM | 2:54.94 | BB+12.25s to A·+51.45s to Sectionals | 2026-07-11 | 2026 LAST CHANCE INVITEvenue |
| 400 Freestyle | LCM | 6:23.55 | B+10.46s to BB·+121.36s to Sectionals | 2026-06-26 | 2026 Eric Namesnik Memorial Invitevenue |
| 50 Backstroke | LCM | 37.35 | AA+0.66s to AAA·+8.66s to Sectionals | 2026-07-17 | 2026 MI LCM MAGS Championship Meetfast pool |
| 100 Backstroke | LCM | 1:23.60 | AA+3.61s to AAA·+19.21s to Sectionals | 2026-06-14 | 2026 CW Summer Vacation Invitevenue |
| 200 Backstroke | LCM | 2:54.40 | AA+3.91s to AAA·+34.61s to Sectionals | 2026-07-18 | 2026 MI LCM MAGS Championship Meetfast pool |
| 50 Breaststroke | LCM | 44.60 | A+1.71s to AA·+12.61s to Sectionals | 2026-07-12 | 2026 LAST CHANCE INVITEvenue |
| 100 Breaststroke | LCM | 1:39.86 | BB+0.57s to A·+27.07s to Sectionals | 2026-06-27 | 2026 Eric Namesnik Memorial Invitevenue |
| 200 Breaststroke | LCM | 3:36.41 | BB+4.12s to A·+56.62s to Sectionals | 2026-07-12 | 2026 LAST CHANCE INVITEvenue |
| 50 Butterfly | LCM | 38.03 | BB+0.04s to A·+10.64s to Sectionals | 2026-07-12 | 2026 LAST CHANCE INVITEvenue |
| 100 Butterfly | LCM | 1:50.91 | +7.42s to B·+49.42s to Sectionals | 2025-06-28 | 2025 USSC June Invitevenue |
| 200 Individual Medley | LCM | 3:07.57 | BB+0.08s to A·+48.18s to Sectionals | 2026-07-10 | 2026 LAST CHANCE INVITEvenue |
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.
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 | 31.05 | flat | 200 Free Relay | 2026-03-07 | 2026 Lake Ontario Regional Meet |
| 50 Freestyle | SCY | 38.49 | flying | 200 Free Relay (leg 3) | 2025-02-22 | 2025 Lake Erie Regional Meet |
| 50 Backstroke | SCY | 34.85 | flat | 200 Medley Relay | 2026-03-08 | 2026 Lake Ontario Regional Meet |
| 50 Freestyle | LCM | 37.75 | flying | 200 Free Relay (leg 4) | 2025-07-20 | 2025 LC MAGS Championship Meet |
| 50 Backstroke | LCM | 38.07 | flat | 200 Medley Relay | 2025-07-19 | 2025 LC MAGS Championship Meet |
| 100 Backstroke | LCM | 1:22.24 | flat | 400 Medley Relay | 2026-07-18 | 2026 MI LCM MAGS Championship Meet |
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 · LCM
2249 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 6:23.55 | 414 |
| 100 BK LCM | 1:23.60 | 596 |
| 100 BR LCM | 1:39.86 | 494 |
| 100 FL LCM | 1:50.91 | 228 |
| 200 IM LCM | 3:07.57 | 517 |
IMR 11-12 · LCM
2668 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:54.94 | 453 |
| 50 BK LCM | 37.35 | 664 |
| 50 BR LCM | 44.60 | 529 |
| 50 FL LCM | 38.03 | 505 |
| 200 IM LCM | 3:07.57 | 517 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
200 Freestyle SCY 2:39.79
Front half 76.77s · back half 83.02s
500 Freestyle SCY 8:43.49
Front half 202.78s · back half 320.71s
100 Backstroke SCY 1:15.87
Front half 36.18s · back half 39.69s
200 Backstroke SCY 2:40.36
Front half 79.54s · back half 80.82s
100 Breaststroke SCY 1:33.23
Front half 45.77s · back half 47.46s
100 Butterfly SCY 1:31.47
Front half 42.30s · back half 49.17s
100 Individual Medley SCY 1:20.53
Front half 37.34s · back half 43.19s
200 Individual Medley SCY 2:50.78
Front half 80.84s · back half 89.94s
100 Freestyle LCM 1:21.28
Front half 38.68s · back half 42.60s
200 Freestyle LCM 2:54.94
Front half 85.57s · back half 89.37s
400 Freestyle LCM 6:23.55
Front half 189.41s · back half 194.14s
100 Backstroke LCM 1:23.60
Front half 40.05s · back half 43.55s
200 Backstroke LCM 2:54.40
Front half 85.47s · back half 88.93s
100 Breaststroke LCM 1:39.86
Front half 47.57s · back half 52.29s
200 Breaststroke LCM 3:36.41
Front half 105.13s · back half 111.28s
100 Butterfly LCM 1:50.91
Front half 48.50s · back half 62.41s
200 Individual Medley LCM 3:07.57
Front half 86.98s · back half 100.59s
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.