| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:24.28 | 2026 NKB Winter Invitational Short Course | 2026-01-17 |
| 100m Breaststroke | 1:49.96 | 2025 NKB Fall Invitational | 2025-10-17 |
| 100m Freestyle | 1:14.64 | GO Fall Halloween Invitational 2025 | 2025-11-01 |
| 100m IM | 1:28.88 | 2026 NKB Winter Invitational Short Course | 2026-01-17 |
| 200m Backstroke | 2:54.72 | 2026 NKB Winter Invitational Short Course | 2026-01-17 |
| 200m Freestyle | 2:38.12 | 2026 NKB Winter Invitational Short Course | 2026-01-17 |
| 200m IM | 3:06.57 | 2026 NKB Winter Invitational Short Course | 2026-01-17 |
| 400m Freestyle | 5:28.55 | 2026 Eastern Ontario Regional Championship - Winte | 2026-01-30 |
| 50m Backstroke | 39.38 | 2026 NKB Winter Invitational Short Course | 2026-01-17 |
| 50m Freestyle | 33.37 | 2026 Eastern Ontario Regional Championship - Winte | 2026-01-30 |
| 800m Freestyle | 11:27.12 | KBM Distance & Development | 2025-11-08 |
Miller, Olivia's top personal bests include 100m Backstroke (1:24.28), 100m Breaststroke (1:49.96), 100m Freestyle (1:14.64), 100m IM (1:28.88), 200m Backstroke (2:54.72).
Miller, Olivia swims for Nepean Kanata Barracudas Swim Club.
Miller, Olivia has competed in 8 meets.