| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:24.80 | 2025 Age Group International SC | 2025-11-27 |
| 100m Breaststroke | 1:41.13 | Hall of Fame | 2025-10-18 |
| 100m Butterfly | 1:21.62 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 100m Freestyle | 1:14.07 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 200m Backstroke | 3:01.22 | 2025 Age Group International SC | 2025-11-27 |
| 200m Butterfly | 3:08.02 | ESWIM January Time Trial | 2026-01-20 |
| 200m Freestyle | 2:46.61 | 2025 Age Group International SC | 2025-11-27 |
| 200m IM | 3:05.78 | 2025 Age Group International SC | 2025-11-27 |
| 400m Freestyle | 6:01.65 | ESWIM 400 Time Trial | 2025-12-16 |
| 50m Backstroke | 41.10 | 2025 Age Group International SC | 2025-11-27 |
| 50m Butterfly | 35.82 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 50m Freestyle | 33.72 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 800m Freestyle | 12:30.72 | ESWIM Distance Time Trial | 2025-11-11 |
Mitina, Miroslava's top personal bests include 100m Backstroke (1:24.80), 100m Breaststroke (1:41.13), 100m Butterfly (1:21.62), 100m Freestyle (1:14.07), 200m Backstroke (3:01.22).
Mitina, Miroslava swims for Etobicoke Swim Club.
Mitina, Miroslava has competed in 13 meets.