| Event | Time | Meet | Date |
|---|---|---|---|
| 25m Backstroke | 26.33 | 2026 Academy Spring Splash | 2026-03-01 |
| 25m Breaststroke | 33.40 | 2025 Academy Holiday Splash | 2025-12-14 |
| 25m Freestyle | 32.84 | 2025 Academy Holiday Splash | 2025-12-14 |
| 50m Backstroke | 59.62 | 2026 Academy Spring Splash - Part 2 | 2026-03-15 |
| 50m Breaststroke | 1:09.10 | 2026 Academy Spring Splash - Part 2 | 2026-03-15 |
| 50m Freestyle | 57.20 | 2026 Academy Spring Splash | 2026-03-01 |
Koll-Gunderson, Loretta's top personal bests include 25m Backstroke (26.33), 25m Breaststroke (33.40), 25m Freestyle (32.84), 50m Backstroke (59.62), 50m Breaststroke (1:09.10).
Koll-Gunderson, Loretta swims for Toronto Swim Club.
Koll-Gunderson, Loretta has competed in 3 meets.