| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Breaststroke | 1:30.09 | 2025 Prairie Winter International | 2025-12-11 |
| 100m Freestyle | 1:13.79 | 2026 Manta Grand Prix | 2026-02-20 |
| 100m IM | 1:22.01 | St. James Seals Invitational | 2026-01-23 |
| 200m Breaststroke | 3:20.36 | 2025 Prairie Winter International | 2025-12-11 |
| 200m Freestyle | 2:44.28 | 2026 Manta Grand Prix | 2026-02-20 |
| 200m IM | 3:34.91 | The Steve Molloy Invitational 2025 | 2025-11-07 |
| 50m Backstroke | 38.98 | Seals West Side Challenge | 2025-11-28 |
| 50m Breaststroke | 41.36 | Seals West Side Challenge | 2025-11-28 |
| 50m Freestyle | 32.39 | St. James Seals Invitational | 2026-01-23 |
Chase Dimaapi's top personal bests include 100m Breaststroke (1:30.09), 100m Freestyle (1:13.79), 100m IM (1:22.01), 200m Breaststroke (3:20.36), 200m Freestyle (2:44.28).
Chase Dimaapi swims for University of Manitoba.
Chase Dimaapi has competed in 6 meets.