| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:46.53 | 2025 Candy Cane Invitational | 2025-12-12 |
| 100m Breaststroke | 1:41.65 | AA Age Group Development Meet & Nova Tech #4 C | 2026-02-14 |
| 100m Butterfly | 1:49.20 | Age Group Development #3 | 2025-11-22 |
| 100m Freestyle | 1:31.59 | 2025 Candy Cane Invitational | 2025-12-12 |
| 100m IM | 1:39.82 | 2025 DAL Sprint Meet | 2025-10-19 |
| 200m Backstroke | 3:41.82 | 2026 AA & AAA Winter Champs | 2026-03-05 |
| 200m Breaststroke | 3:46.28 | 2026 AA & AAA Winter Champs | 2026-03-05 |
| 200m Freestyle | 3:17.27 | AA Age Group Development Meet & Nova Tech #4 C | 2026-02-14 |
| 200m IM | 3:30.22 | 2026 AA & AAA Winter Champs | 2026-03-05 |
| 400m Freestyle | 6:51.88 | 2025 AGD Distance Central | 2025-11-01 |
| 50m Backstroke | 49.43 | AA Spring Champs | 2025-06-06 |
| 50m Breaststroke | 45.88 | 2026 AA & AAA Winter Champs | 2026-03-05 |
| 50m Butterfly | 45.13 | AA Age Group Development Meet & Nova Tech #4 C | 2026-02-14 |
| 50m Freestyle | 38.70 | 2025 Candy Cane Invitational | 2025-12-12 |
| 800m Freestyle | 13:48.22 | 2026 AA & AAA Winter Champs | 2026-03-05 |
Zadoretska, Marianna's top personal bests include 100m Backstroke (1:46.53), 100m Breaststroke (1:41.65), 100m Butterfly (1:49.20), 100m Freestyle (1:31.59), 100m IM (1:39.82).
Zadoretska, Marianna swims for Halifax Trojan Aquatic Club.
Zadoretska, Marianna has competed in 9 meets.