| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:27.47 | Back to the Blocks Invitational | 2026-02-21 |
| 100m Backstroke | 1:22.44 | Icebreaker Invitational | 2026-01-30 |
| 100m Breaststroke | 1:34.46 | East Coast Championships | 2025-07-10 |
| 100m Breaststroke | 1:28.87 | Winter Waves Invitational | 2026-03-13 |
| 100m Butterfly | 1:35.17 | Icebreaker Invitational | 2026-01-30 |
| 100m Freestyle | 1:14.21 | East Coast Championships | 2025-07-10 |
| 100m Freestyle | 1:09.33 | Winter Waves Invitational | 2026-03-13 |
| 100m IM | 1:25.18 | Bluefins Fall Pentathlon | 2025-11-14 |
| 200m Backstroke | 2:58.16 | Icebreaker Invitational | 2026-01-30 |
| 200m Breaststroke | 3:19.06 | East Coast Championships | 2025-07-10 |
| 200m Breaststroke | 3:09.34 | 2025 SNL Provincial Championships | 2025-05-30 |
| 200m Freestyle | 2:35.12 | 2025 SNL Provincial Championships | 2025-05-30 |
| 200m IM | 3:00.62 | Back to the Blocks Invitational | 2026-02-21 |
| 400m Freestyle | 5:50.78 | East Coast Championships | 2025-07-10 |
| 400m Freestyle | 5:27.70 | Icebreaker Invitational | 2026-01-30 |
| 400m IM | 6:26.28 | 2025 SNL Provincial Championships | 2025-05-30 |
| 50m Backstroke | 39.33 | Winter Waves Invitational | 2026-03-13 |
| 50m Breaststroke | 43.14 | Back to the Blocks Invitational | 2026-02-21 |
| 50m Breaststroke | 40.80 | Winter Waves Invitational | 2026-03-13 |
| 50m Butterfly | 38.46 | Icebreaker Invitational | 2026-01-30 |
| 50m Freestyle | 35.05 | East Coast Championships | 2025-07-10 |
| 50m Freestyle | 32.28 | Icebreaker Invitational | 2026-01-30 |
| 800m Freestyle | 11:25.20 | Winter Waves Invitational | 2026-03-13 |
Collins, Olivia's top personal bests include 100m Backstroke (1:27.47), 100m Backstroke (1:22.44), 100m Breaststroke (1:34.46), 100m Breaststroke (1:28.87), 100m Butterfly (1:35.17).
Collins, Olivia swims for Mount Pearl Marlins.
Collins, Olivia has competed in 6 meets.