| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:23.64 | AAA/AA #5 LCM Invitational Swim Meet | 2026-04-25 |
| 100m Backstroke | 1:22.31 | 2025 Candy Cane Invitational | 2025-12-12 |
| 100m Breaststroke | 1:34.20 | 2025 Candy Cane Invitational | 2025-12-12 |
| 100m Butterfly | 1:18.85 | 2026 AA & AAA Winter Champs | 2026-03-05 |
| 100m Freestyle | 1:12.05 | 2026 AAA #1 LC Invitational | 2026-01-30 |
| 100m Freestyle | 1:12.83 | 2026 AA & AAA Winter Champs | 2026-03-05 |
| 100m IM | 1:23.66 | 2025 DAL Sprint Meet | 2025-10-19 |
| 200m Backstroke | 3:03.01 | 2026 AAA #2 LC Invitational | 2026-02-21 |
| 200m Backstroke | 2:55.33 | Age Group Development #3 | 2025-11-22 |
| 200m Breaststroke | 3:23.40 | East Coast Championships | 2025-07-10 |
| 200m Breaststroke | 3:25.38 | 2025 AGD Distance Central | 2025-11-01 |
| 200m Butterfly | 3:06.15 | 2026 AAA #1 LC Invitational | 2026-01-30 |
| 200m Butterfly | 2:54.36 | 2026 AA & AAA Winter Champs | 2026-03-05 |
| 200m Freestyle | 2:41.34 | 2026 AAA #2 LC Invitational | 2026-02-21 |
| 200m Freestyle | 2:45.21 | 2025 Candy Cane Invitational | 2025-12-12 |
| 200m IM | 2:57.52 | 2026 AAA #2 LC Invitational | 2026-02-21 |
| 200m IM | 2:49.21 | 2026 AA & AAA Winter Champs | 2026-03-05 |
| 400m Freestyle | 5:29.88 | AAA/AA #5 LCM Invitational Swim Meet | 2026-04-25 |
| 400m Freestyle | 5:44.56 | 2025 AGD Distance Central | 2025-11-01 |
| 400m IM | 6:16.85 | 2026 AAA #1 LC Invitational | 2026-01-30 |
| 400m IM | 5:58.52 | 2026 AA & AAA Winter Champs | 2026-03-05 |
| 50m Backstroke | 43.00 | AAA LCM #3 | 2025-05-23 |
| 50m Backstroke | 39.12 | 2025 DAL Sprint Meet | 2025-10-19 |
| 50m Breaststroke | 43.98 | AAA/AA #5 LCM Invitational Swim Meet | 2026-04-25 |
| 50m Breaststroke | 44.65 | 2025 DAL Sprint Meet | 2025-10-19 |
| 50m Butterfly | 36.32 | 2026 AAA #1 LC Invitational | 2026-01-30 |
| 50m Butterfly | 36.09 | 2025 DAL Sprint Meet | 2025-10-19 |
| 50m Freestyle | 34.09 | 2026 AAA #1 LC Invitational | 2026-01-30 |
| 50m Freestyle | 34.75 | 2025 DAL Sprint Meet | 2025-10-19 |
| 800m Freestyle | 11:36.75 | 2025 Candy Cane Invitational | 2025-12-12 |
Maciorowski, Olivia's top personal bests include 100m Backstroke (1:23.64), 100m Backstroke (1:22.31), 100m Breaststroke (1:34.20), 100m Butterfly (1:18.85), 100m Freestyle (1:12.05).
Maciorowski, Olivia swims for Dartmouth Crusaders Swim Club.
Maciorowski, Olivia has competed in 10 meets.