| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Breaststroke | 1:06.91 | University Cup - Mountain | 2026-01-30 |
| 100m Freestyle | 52.22 | 2025 Summer Divisionals - North & Interior | 2025-06-27 |
| 200m Breaststroke | 2:29.86 | Dino Invitational 2025 | 2025-10-31 |
| 50m Breaststroke | 32.08 | Toronto Grand Prix | 2026-01-24 |
| 50m Breaststroke | 29.09 | 2025 Summer Divisionals - North & Interior | 2025-06-27 |
| 50m Freestyle | 26.99 | Toronto Grand Prix | 2026-01-24 |
| 50m Freestyle | 23.68 | 2025 Summer Divisionals - North & Interior | 2025-06-27 |
Alexander McDonald's top personal bests include 100m Breaststroke (1:06.91), 100m Freestyle (52.22), 200m Breaststroke (2:29.86), 50m Breaststroke (32.08), 50m Breaststroke (29.09).
Alexander McDonald swims for University of Calgary.
Alexander McDonald has competed in 7 meets.