| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Freestyle | 1:56.34 | Craven Sport Services Racing Series #4 | 2025-06-07 |
| 200m Freestyle | 3:58.43 | Goldfins Pentathlon | 2026-02-07 |
| 200m Freestyle | 4:03.56 | Craven SPORT Services Racing Series #3 | 2026-03-07 |
| 200m IM | 4:50.75 | Craven SPORT Services Racing Series #3 | 2026-03-07 |
| 50m Backstroke | 51.83 | Goldfins Pentathlon | 2026-02-07 |
| 50m Backstroke | 47.35 | Craven SPORT Services Racing Series #2 | 2025-11-15 |
| 50m Breaststroke | 1:17.23 | Goldfins Pentathlon | 2026-02-07 |
| 50m Breaststroke | 1:06.75 | Craven SPORT Services Racing Series #3 | 2026-03-07 |
| 50m Butterfly | 1:32.06 | Goldfins Pentathlon | 2026-02-07 |
| 50m Freestyle | 45.45 | Goldfins Pentathlon | 2026-02-07 |
| 50m Freestyle | 48.71 | Craven Sport Services Racing Series #4 | 2025-06-07 |
Mitchell, Blaise's top personal bests include 100m Freestyle (1:56.34), 200m Freestyle (3:58.43), 200m Freestyle (4:03.56), 200m IM (4:50.75), 50m Backstroke (51.83).
Mitchell, Blaise swims for Team Gold.
Mitchell, Blaise has competed in 6 meets.