| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:35.01 | BAD Outdoor LC Invitational | 2025-06-20 |
| 100m Backstroke | 1:26.76 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 100m Breaststroke | 1:34.72 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 100m Breaststroke | 1:26.53 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 100m Butterfly | 1:34.38 | David Lawson Invitational 2026 | 2026-01-23 |
| 100m Freestyle | 1:24.86 | BAD Outdoor LC Invitational | 2025-06-20 |
| 100m Freestyle | 1:21.76 | Gus Ryder Memorial Cup 2025 | 2025-11-07 |
| 200m Backstroke | 3:10.28 | Gus Ryder Memorial Cup 2025 | 2025-11-07 |
| 200m Breaststroke | 3:27.91 | BAD Outdoor LC Invitational | 2025-06-20 |
| 200m Breaststroke | 3:12.30 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 200m Freestyle | 2:58.58 | Gus Ryder Memorial Cup 2025 | 2025-11-07 |
| 200m IM | 3:19.27 | BAD Outdoor LC Invitational | 2025-06-20 |
| 200m IM | 3:05.11 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 50m Backstroke | 47.10 | MAC Rising Star #2 | 2025-05-30 |
| 50m Backstroke | 40.22 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 50m Breaststroke | 44.28 | BAD Outdoor LC Invitational | 2025-06-20 |
| 50m Breaststroke | 41.01 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 50m Butterfly | 46.18 | MAC Rising Star #2 | 2025-05-30 |
| 50m Freestyle | 37.79 | BAD Outdoor LC Invitational | 2025-06-20 |
| 50m Freestyle | 35.80 | 2025 Murray Drudge Invitational | 2025-12-05 |
Bi, William's top personal bests include 100m Backstroke (1:35.01), 100m Backstroke (1:26.76), 100m Breaststroke (1:34.72), 100m Breaststroke (1:26.53), 100m Butterfly (1:34.38).
Bi, William swims for Oakville Aquatic Club.
Bi, William has competed in 8 meets.