William Xia
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 25.25 | A+0.66s to AA | 2026-03-01 | 2026 Winter ISI Regionals- PAC fast pool |
| 100 Freestyle | SCY | 54.73 | A+1.24s to AA | 2026-02-28 | 2026 Winter ISI Regionals- PAC fast pool |
| 200 Freestyle | SCY | 1:59.47 | A+2.38s to AA | 2026-03-01 | 2026 Winter ISI Regionals- PAC fast pool |
| 50 Backstroke | SCY | 26.58 | AA+0.09s to AAA | 2026-03-13 | 2026 ISI Winter 11-14 Age Group Championships venue |
| 100 Backstroke | SCY | 56.05 | AAA+2.56s to AAAA | 2026-03-14 | 2026 ISI Winter 11-14 Age Group Championships venue |
| 200 Backstroke | SCY | 2:00.51 | AAA+4.12s to AAAA | 2026-03-15 | 2026 ISI Winter 11-14 Age Group Championships venue |
| 50 Breaststroke | SCY | 31.11 | AA+0.82s to AAA | 2026-03-15 | 2026 ISI Winter 11-14 Age Group Championships venue |
| 100 Breaststroke | SCY | 1:06.82 | A+0.63s to AA | 2026-03-13 | 2026 ISI Winter 11-14 Age Group Championships venue |
| 200 Breaststroke | SCY | 2:22.69 | AA+4.90s to AAA | 2026-03-01 | 2026 Winter ISI Regionals- PAC fast pool |
| 50 Butterfly | SCY | 31.53 | B+0.74s to BB | 2024-01-21 | 2024 MMSC Winter Invite slow pool |
| 100 Butterfly | SCY | 57.90 | A+0.01s to AA | 2026-02-28 | 2026 Winter ISI Regionals- PAC fast pool |
| 100 Individual Medley | SCY | 1:11.14 | 2024-01-20 | 2024 MMSC Winter Invite slow pool | |
| 200 Individual Medley | SCY | 2:07.96 | AA+3.87s to AAA | 2026-03-14 | 2026 ISI Winter 11-14 Age Group Championships venue |
| 400 Individual Medley | SCY | 4:44.62 | A+7.23s to AA | 2025-07-18 | 2025 ISI Summer HPAC Regional venue |
| 50 Freestyle | LCM | 31.46 | BB+2.07s to A | 2025-05-18 | 2025 WI SWAT LC May-Hem venue |
| 100 Freestyle | LCM | 1:11.51 | B+1.72s to BB | 2024-06-02 | LFSC SwimFest LC 2024 slow pool |
| 200 Freestyle | LCM | 2:35.81 | B+3.52s to BB | 2024-06-30 | 2024 Last Dance Open venue |
| 400 Freestyle | LCM | 5:35.88 | B+10.99s to BB | 2024-06-02 | LFSC SwimFest LC 2024 slow pool |
| 800 Freestyle | LCM | 11:33.64 | B+20.55s to BB | 2024-06-01 | LFSC SwimFest LC 2024 slow pool |
| 50 Backstroke | LCM | 31.03 | AAA+1.34s to AAAA | 2025-07-27 | Illinois Swimming Age Group Champs LC 25 venue |
| 100 Backstroke | LCM | 1:06.21 | AA+0.42s to AAA | 2025-07-24 | Illinois Swimming Age Group Champs LC 25 venue |
| 200 Backstroke | LCM | 2:28.66 | AA+5.67s to AAA | 2025-07-25 | Illinois Swimming Age Group Champs LC 25 venue |
| 50 Breaststroke | LCM | 43.52 | B+2.53s to BB | 2024-04-20 | 2024 April Long Course Open slow pool |
| 100 Breaststroke | LCM | 1:22.32 | BB+1.73s to A | 2025-07-31 | 2025 LC Illinois Senior Championships |
| 200 Breaststroke | LCM | 3:17.22 | B+7.83s to BB | 2024-05-11 | Blue Devil Swim Club May Mania venue |
| 100 Butterfly | LCM | 1:21.64 | +1.35s to B | 2024-05-11 | Blue Devil Swim Club May Mania venue |
| 200 Butterfly | LCM | 3:03.91 | +3.82s to B | 2024-05-12 | Blue Devil Swim Club May Mania venue |
| 200 Individual Medley | LCM | 2:34.10 | A+3.81s to AA | 2025-07-31 | 2025 LC Illinois Senior Championships |
| 400 Individual Medley | LCM | 6:04.83 | B+1.44s to BB | 2024-06-28 | 2024 Last Dance Open venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 14.
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 | 24.56 | flying | 200 Free Relay (leg 4) | 2026-03-12 | 2026 ISI Winter 11-14 Age Group Championships |
| 200 Freestyle | SCY | 1:57.47 | flat | 800 Free Relay | 2026-03-13 | 2026 ISI Winter 11-14 Age Group Championships |
| 200 Freestyle | SCY | 2:07.09 | flying | 800 Free Relay (leg 4) | 2025-03-07 | 2025 SC Illinois Senior Championships |
| 50 Backstroke | SCY | 28.52 | flat | 200 Medley Relay | 2025-03-14 | 2025 ISI Winter 11-14 Age Group Championships |
| 100 Backstroke | SCY | 1:00.52 | flat | 400 Medley Relay | 2025-03-15 | 2025 ISI Winter 11-14 Age Group Championships |
| 50 Breaststroke | SCY | 30.02 | flying | 200 Medley Relay (leg 2) | 2026-03-13 | 2026 ISI Winter 11-14 Age Group Championships |
| 100 Breaststroke | SCY | 1:06.31 | flying | 400 Medley Relay (leg 2) | 2026-03-14 | 2026 ISI Winter 11-14 Age Group Championships |
| 50 Butterfly | SCY | 30.01 | flying | 200 Medley Relay (leg 3) | 2024-07-13 | 2024 IL BSC Summer Regional Championships |
| 50 Freestyle | LCM | 29.05 | flying | 200 Free Relay (leg 4) | 2025-07-24 | Illinois Swimming Age Group Champs LC 25 |
| 100 Freestyle | LCM | 1:05.01 | flying | 400 Free Relay (leg 3) | 2025-07-26 | Illinois Swimming Age Group Champs LC 25 |
| 200 Freestyle | LCM | 2:25.51 | flying | 800 Free Relay (leg 4) | 2025-07-25 | Illinois Swimming Age Group Champs LC 25 |
| 50 Backstroke | LCM | 31.42 | flat | 200 Medley Relay | 2025-07-26 | Illinois Swimming Age Group Champs LC 25 |
| 100 Backstroke | LCM | 1:07.82 | flat | 400 Medley Relay | 2025-07-27 | Illinois Swimming Age Group Champs LC 25 |
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 · LCM
3313 points (6/6 events)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 5:35.88 | 470 |
| 200 BK LCM | 2:28.66 | 770 |
| 200 BR LCM | 3:17.22 | 458 |
| 200 FL LCM | 3:03.91 | 393 |
| 200 IM LCM | 2:34.10 | 705 |
| 400 IM LCM | 6:04.83 | 517 |
IMR 13-14 · SCY
3879 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 1:59.47 | 716 |
| 100 BK SCY | 56.05 | 869 |
| 100 BR SCY | 1:06.82 | 738 |
| 100 FL SCY | 57.90 | 762 |
| 200 IM SCY | 2:07.96 | 794 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 54.73
Front half 25.98s · back half 28.75s
200 Freestyle SCY 1:59.47
Front half 56.36s · back half 63.11s
100 Backstroke SCY 56.05
Front half 27.28s · back half 28.77s
200 Backstroke SCY 2:00.51
Front half 58.16s · back half 62.35s
100 Breaststroke SCY 1:06.82
Front half 31.14s · back half 35.68s
200 Breaststroke SCY 2:22.69
Front half 67.49s · back half 75.20s
100 Butterfly SCY 57.90
Front half 26.62s · back half 31.28s
100 Individual Medley SCY 1:11.14
Front half 32.38s · back half 38.76s
200 Individual Medley SCY 2:07.96
Front half 60.28s · back half 67.68s
400 Individual Medley SCY 4:44.62
Front half 136.27s · back half 148.35s
100 Freestyle LCM 1:11.51
Front half 33.98s · back half 37.53s
200 Freestyle LCM 2:35.81
Front half 74.60s · back half 81.21s
400 Freestyle LCM 5:35.88
Front half 166.15s · back half 169.73s
800 Freestyle LCM 11:33.64
Front half 349.72s · back half 343.92s
100 Backstroke LCM 1:06.21 RT 0.65s
Front half 31.95s · back half 34.26s
200 Backstroke LCM 2:28.66 RT 0.60s
Front half 72.93s · back half 75.73s
200 Breaststroke LCM 3:17.22
Front half 96.81s · back half 100.41s
100 Butterfly LCM 1:21.64
Front half 37.79s · back half 43.85s
200 Butterfly LCM 3:03.91
Front half 84.28s · back half 99.63s
400 Individual Medley LCM 6:04.83
Front half 175.48s · back half 189.35s
Reaction time
From electronically-timed starts only (~2% of corpus swims carry a reaction time). PRs with a recorded reaction show an RT chip in the splits section above.
Progression
Faster times are higher. One card per event, all courses & history.