| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Butterfly | 1:00.55 | Summer Provincial Championships LC | 2025-07-24 |
| 100m Freestyle | 55.40 | Summer Provincial Championships LC | 2025-07-24 |
| 200m Freestyle | 2:04.30 | Summer Provincial Championships LC | 2025-07-24 |
| 50m Backstroke | 30.95 | Octoberfest | 2025-10-18 |
| 50m Breaststroke | 35.83 | Octoberfest | 2025-10-18 |
| 50m Butterfly | 27.32 | Summer Provincial Championships LC | 2025-07-24 |
| 50m Butterfly | 27.66 | Octoberfest | 2025-10-18 |
| 50m Freestyle | 25.07 | Summer Provincial Championships LC | 2025-07-24 |
| 50m Freestyle | 24.92 | Octoberfest | 2025-10-18 |
Gutanu, Denis's top personal bests include 100m Butterfly (1:00.55), 100m Freestyle (55.40), 200m Freestyle (2:04.30), 50m Backstroke (30.95), 50m Breaststroke (35.83).
Gutanu, Denis swims for Edmonton Keyano Swim Club.
Gutanu, Denis has competed in 4 meets.