| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Butterfly | 1:07.63 | 2025 AUS #2 Invitational | 2025-11-08 |
| 200m Backstroke | 2:27.04 | 2026 AUS Swimming Championships | 2026-02-13 |
| 200m Breaststroke | 2:50.31 | 2025 AUS #2 Invitational | 2025-11-08 |
| 200m Butterfly | 2:30.06 | 2025 AUS #2 Invitational | 2025-11-08 |
| 200m Freestyle | 2:20.03 | Amby Legere Invitational | 2026-01-24 |
| 200m IM | 2:25.02 | 2025 Kemp-Fry Invitational Swim Meet | 2025-11-28 |
| 400m IM | 5:11.08 | 2025 Kemp-Fry Invitational Swim Meet | 2025-11-28 |
| 50m Backstroke | 31.89 | Amby Legere Invitational | 2026-01-24 |
| 800m Freestyle | 9:38.53 | 2025 Kemp-Fry Invitational Swim Meet | 2025-11-28 |
Johnson, Mikhaela's top personal bests include 100m Butterfly (1:07.63), 200m Backstroke (2:27.04), 200m Breaststroke (2:50.31), 200m Butterfly (2:30.06), 200m Freestyle (2:20.03).
Johnson, Mikhaela swims for Dalhousie University.
Johnson, Mikhaela has competed in 5 meets.