| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:13.17 | 2026 Mallards Winter LC Invitational | 2026-01-30 |
| 100m Backstroke | 1:09.20 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 100m Breaststroke | 1:20.03 | 2026 Mallards Winter LC Invitational | 2026-01-30 |
| 100m Breaststroke | 1:20.34 | Hall of Fame | 2025-10-18 |
| 100m Butterfly | 1:10.54 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 100m Freestyle | 1:04.11 | 2026 Mallards Winter LC Invitational | 2026-01-30 |
| 100m Freestyle | 1:02.55 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 200m Breaststroke | 2:51.23 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 200m Breaststroke | 2:46.56 | 2025 MSSAC Open | 2025-12-19 |
| 200m Freestyle | 2:13.52 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 200m IM | 2:31.34 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 200m IM | 2:29.25 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 400m Freestyle | 4:42.82 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 400m IM | 5:22.88 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 400m IM | 5:18.24 | 2025 MSSAC Open | 2025-12-19 |
| 50m Backstroke | 32.26 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 50m Breaststroke | 36.55 | 2025 MSSAC Open | 2025-12-19 |
| 50m Freestyle | 29.39 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
Romanova, Polina's top personal bests include 100m Backstroke (1:13.17), 100m Backstroke (1:09.20), 100m Breaststroke (1:20.03), 100m Breaststroke (1:20.34), 100m Butterfly (1:10.54).
Romanova, Polina swims for Blue Waves Swim Club.
Romanova, Polina has competed in 7 meets.