| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:40.05 | CCSC June Invitational | 2025-06-21 |
| 100m Backstroke | 1:39.53 | Muscats Splash Devo Meet #1 | 2025-11-08 |
| 100m Breaststroke | 2:03.24 | CCSC June Invitational | 2025-06-21 |
| 100m Breaststroke | 1:54.01 | Elaine Thompson Memorial Meet | 2026-01-24 |
| 100m Freestyle | 1:30.36 | 2025 Huronia Region LC Team Challenge | 2025-06-05 |
| 100m Freestyle | 1:31.40 | 2025 Barrie Aquafest | 2025-10-31 |
| 100m IM | 1:42.91 | CCSC June Invitational | 2025-06-21 |
| 100m IM | 1:44.37 | 2025 Barrie Aquafest | 2025-10-31 |
| 200m Backstroke | 3:20.25 | MAC Jingle Bell | 2025-12-12 |
| 200m Freestyle | 3:19.46 | 2025 Huronia Region LC Team Challenge | 2025-06-05 |
| 200m Freestyle | 3:15.62 | 2025 Age Group International SC | 2025-11-27 |
| 200m IM | 3:48.60 | CCSC June Invitational | 2025-06-21 |
| 200m IM | 3:47.29 | 2025 Age Group International SC | 2025-11-27 |
| 25m Butterfly | 21.73 | MAC Jingle Bell | 2025-12-12 |
| 400m Freestyle | 7:04.19 | 2025 Huronia Region LC Team Challenge | 2025-06-05 |
| 50m Backstroke | 46.26 | 2025 Huronia Region LC Team Challenge | 2025-06-05 |
| 50m Backstroke | 44.30 | 2025 Barrie Aquafest | 2025-10-31 |
| 50m Breaststroke | 53.06 | CCSC June Invitational | 2025-06-21 |
| 50m Breaststroke | 50.53 | 2025 Age Group International SC | 2025-11-27 |
| 50m Butterfly | 51.03 | CCSC June Invitational | 2025-06-21 |
| 50m Butterfly | 48.97 | 2025 Barrie Aquafest | 2025-10-31 |
| 50m Freestyle | 39.98 | 2025 Huronia Region LC Team Challenge | 2025-06-05 |
| 50m Freestyle | 38.53 | Elaine Thompson Memorial Meet | 2026-01-24 |
| 800m Freestyle | 14:18.54 | Muscats Splash Devo Meet #1 | 2025-11-08 |
Dorevich, Harrison's top personal bests include 100m Backstroke (1:40.05), 100m Backstroke (1:39.53), 100m Breaststroke (2:03.24), 100m Breaststroke (1:54.01), 100m Freestyle (1:30.36).
Dorevich, Harrison swims for Orillia Channel Cats Swim Club.
Dorevich, Harrison has competed in 7 meets.