William Hai
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 28.56 | BB+1.87s to A·+5.37s to Sectionals | 2026-07-19 | 2026 CA HYDRO BB/B/C Short Course Meetfast pool |
| 100 Freestyle | SCY | 1:03.50 | B+0.81s to BB·+12.51s to Sectionals | 2026-07-18 | 2026 CA HYDRO BB/B/C Short Course Meetfast pool |
| 200 Freestyle | SCY | 2:13.73 | BB+7.04s to A·+21.94s to Sectionals | 2026-07-19 | 2026 CA HYDRO BB/B/C Short Course Meetfast pool |
| 500 Freestyle | SCY | 6:18.33 | B+8.14s to BB·+75.64s to Sectionals | 2025-12-07 | 2025 CA CCAQ WAG Qualifiervenue |
| 50 Backstroke | SCY | 33.07 | B+0.18s to BB·+9.38s to Futures | 2026-07-18 | 2026 CA HYDRO BB/B/C Short Course Meetfast pool |
| 100 Backstroke | SCY | 1:16.88 | +2.49s to B·+21.39s to Sectionals | 2025-11-15 | 2025 CA Veterans' Day Classic SCYvenue |
| 200 Backstroke | SCY | 2:45.24 | +3.15s to B·+43.95s to Sectionals | 2026-03-22 | 2026 CA CHAWP BB/B/C Short Course Meet -venue |
| 50 Breaststroke | SCY | 36.39 | BB+1.70s to A·+10.10s to Futures | 2026-07-18 | 2026 CA HYDRO BB/B/C Short Course Meetfast pool |
| 100 Breaststroke | SCY | 1:19.70 | B+1.41s to BB·+16.51s to Sectionals | 2026-07-19 | 2026 CA HYDRO BB/B/C Short Course Meetfast pool |
| 50 Butterfly | SCY | 36.83 | +2.14s to B·+13.94s to Futures | 2025-11-16 | 2025 CA Veterans' Day Classic SCYvenue |
| 100 Butterfly | SCY | 1:25.79 | +12.00s to B·+30.60s to Sectionals | 2026-03-22 | 2026 CA CHAWP BB/B/C Short Course Meet -venue |
| 200 Butterfly | SCY | 2:59.38 | +14.09s to B·+55.99s to Sectionals | 2026-07-19 | 2026 CA HYDRO BB/B/C Short Course Meetfast pool |
| 100 Individual Medley | SCY | 1:23.67 | 2024-10-05 | 2024 CA Otterfest C Meetslow pool | |
| 200 Individual Medley | SCY | 2:38.11 | B+5.22s to BB·+34.12s to Sectionals | 2026-07-18 | 2026 CA HYDRO BB/B/C Short Course Meetfast pool |
| 50 Freestyle | LCM | 35.75 | +0.06s to B·+8.76s to Sectionals | 2025-06-07 | 2025 CA YST JAG Last Ditch LC Meetvenue |
| 100 Freestyle | LCM | 1:14.16 | B+1.57s to BB·+15.17s to Sectionals | 2026-05-24 | 2026 CA RST BB/B/C Long Course Meetvenue |
| 200 Freestyle | LCM | 2:36.73 | BB+11.04s to A·+28.04s to Sectionals | 2026-05-23 | 2026 CA RST BB/B/C Long Course Meetvenue |
| 400 Freestyle | LCM | 5:35.56 | B+1.37s to BB·+61.17s to Sectionals | 2026-05-24 | 2026 CA RST BB/B/C Long Course Meetvenue |
| 50 Backstroke | LCM | 39.93 | B+1.64s to BB·+12.04s to Futures | 2026-05-24 | 2026 CA RST BB/B/C Long Course Meetvenue |
| 100 Backstroke | LCM | 1:27.52 | +0.13s to B·+22.33s to Sectionals | 2026-05-23 | 2026 CA RST BB/B/C Long Course Meetvenue |
| 50 Breaststroke | LCM | 44.93 | B+2.34s to BB·+14.04s to Futures | 2026-04-12 | 2026 CA YST LC A/BB/B 13 & up C Meetvenue |
| 100 Breaststroke | LCM | 1:37.41 | +0.22s to B·+23.71s to Sectionals | 2026-05-23 | 2026 CA RST BB/B/C Long Course Meetvenue |
| 50 Butterfly | LCM | 44.99 | +6.00s to B·+18.70s to Futures | 2026-04-11 | 2026 CA YST LC A/BB/B 13 & up C Meetvenue |
| 200 Individual Medley | LCM | 3:07.52 | B+10.73s to BB·+42.83s to Sectionals | 2026-05-24 | 2026 CA RST BB/B/C Long Course Meetvenue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 13.
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 | 33.98 | flat | 200 Free Relay | 2024-09-14 | 2024 CA STAR September SC C Meet |
| 50 Freestyle | SCY | 31.25 | flying | 200 Free Relay (leg 2) | 2025-11-02 | 2025 CA The Claremont Club B/C SC Meet |
| 50 Backstroke | SCY | 34.52 | flat | 200 Medley Relay | 2025-03-02 | 2025 CA TCC A/BB/B Age Group Champs Qualifier |
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
1493 points (4/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 500 FR SCY | 6:18.33 | 447 |
| 200 BK SCY | 2:45.24 | 345 |
| 200 FL SCY | 2:59.38 | 281 |
| 200 IM SCY | 2:38.11 | 420 |
| 200 BR SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 13-14 · SCY
1935 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:13.73 | 510 |
| 100 BK SCY | 1:16.88 | 336 |
| 100 BR SCY | 1:19.70 | 435 |
| 100 FL SCY | 1:25.79 | 234 |
| 200 IM SCY | 2:38.11 | 420 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:03.50
Front half 31.31s · back half 32.19s
200 Freestyle SCY 2:13.73
Front half 65.57s · back half 68.16s
500 Freestyle SCY 6:18.33
Front half 187.60s · back half 190.73s
100 Backstroke SCY 1:16.88
Front half 38.85s · back half 38.03s
200 Backstroke SCY 2:45.24
Front half 81.73s · back half 83.51s
100 Breaststroke SCY 1:19.70
Front half 38.22s · back half 41.48s
100 Butterfly SCY 1:25.79
Front half 38.33s · back half 47.46s
200 Butterfly SCY 2:59.38
Front half 85.27s · back half 94.11s
100 Individual Medley SCY 1:23.67
Front half 39.59s · back half 44.08s
200 Individual Medley SCY 2:38.11
Front half 75.81s · back half 82.30s
100 Freestyle LCM 1:14.16
Front half 35.73s · back half 38.43s
200 Freestyle LCM 2:36.73
Front half 77.79s · back half 78.94s
400 Freestyle LCM 5:35.56
Front half 167.07s · back half 168.49s
100 Backstroke LCM 1:27.52
Front half 43.56s · back half 43.96s
100 Breaststroke LCM 1:37.41
Front half 47.38s · back half 50.03s
200 Individual Medley LCM 3:07.52
Front half 91.84s · back half 95.68s
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.