| Event | Time | Meet | Date |
|---|---|---|---|
| 100m IM | 2:15.10 | ASSA Provincial Championships | 2025-08-01 |
| 25m Breaststroke | 27.81 | ASSA Provincial Championships | 2025-08-01 |
| 25m Butterfly | 25.21 | ASSA Provincial Championships | 2025-08-01 |
| 25m Freestyle | 24.48 | Vermilion Vipers Invitational | 2025-06-21 |
| 50m Backstroke | 1:04.87 | Vermilion Vipers Invitational | 2025-06-21 |
| 50m Breaststroke | 1:05.38 | Battle on the Border | 2025-05-31 |
| 50m Freestyle | 49.48 | Fort Saskatchewan Piranhas Swim Meet | 2025-06-08 |
Buchanan, Mack's top personal bests include 100m IM (2:15.10), 25m Breaststroke (27.81), 25m Butterfly (25.21), 25m Freestyle (24.48), 50m Backstroke (1:04.87).
Buchanan, Mack swims for Derrick Devil Rays.
Buchanan, Mack has competed in 4 meets.