| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 2:20.75 | MAC Rising Star #1 | 2025-11-08 |
| 100m Freestyle | 1:56.47 | GRAC 2026 Green-Black-Blue Meet #2 | 2026-03-14 |
| 100m IM | 2:17.64 | GRAC 2026 Green-Black-Blue Meet #2 | 2026-03-14 |
| 25m Butterfly | 32.28 | GMAC Winter Skills and Thrills | 2026-02-01 |
| 50m Backstroke | 1:02.36 | GRAC 2026 Green-Black-Blue Meet #2 | 2026-03-14 |
| 50m Breaststroke | 1:08.16 | GRAC 2026 Green-Black-Blue Meet #2 | 2026-03-14 |
| 50m Butterfly | 1:08.73 | GRAC 2026 Green-Black-Blue Meet #2 | 2026-03-14 |
| 50m Freestyle | 1:00.23 | MAC Rising Star #1 | 2025-11-08 |
Unger Alexander, Willem's top personal bests include 100m Backstroke (2:20.75), 100m Freestyle (1:56.47), 100m IM (2:17.64), 25m Butterfly (32.28), 50m Backstroke (1:02.36).
Unger Alexander, Willem swims for Georgina Rapids Aquatic Club.
Unger Alexander, Willem has competed in 4 meets.