| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:47.89 | Western Transmountain Festival I | 2026-02-14 |
| 100m Backstroke | 1:42.97 | Neil Lepps 2026 | 2026-03-14 |
| 100m Breaststroke | 2:07.23 | Western Transmountain Festival I | 2026-02-14 |
| 100m Breaststroke | 1:56.10 | Neil Lepps 2026 | 2026-03-14 |
| 100m Freestyle | 1:35.84 | Western Transmountain Festival I | 2026-02-14 |
| 100m Freestyle | 1:28.78 | Blue Bears Invitational | 2026-01-16 |
| 100m IM | 1:48.99 | Neil Lepps 2026 | 2026-03-14 |
| 200m Freestyle | 3:28.35 | Candy Cane Invitational | 2025-11-28 |
| 50m Backstroke | 52.99 | Western Transmountain Festival I | 2026-02-14 |
| 50m Backstroke | 47.62 | Blue Bears Invitational | 2026-01-16 |
| 50m Breaststroke | 55.27 | Western Transmountain Festival I | 2026-02-14 |
| 50m Breaststroke | 53.75 | Blue Bears Invitational | 2026-01-16 |
| 50m Freestyle | 41.08 | Western Transmountain Festival I | 2026-02-14 |
| 50m Freestyle | 38.12 | Blue Bears Invitational | 2026-01-16 |
Ren, William's top personal bests include 100m Backstroke (1:47.89), 100m Backstroke (1:42.97), 100m Breaststroke (2:07.23), 100m Breaststroke (1:56.10), 100m Freestyle (1:35.84).
Ren, William swims for Edmonton Keyano Swim Club.
Ren, William has competed in 4 meets.