| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:44.56 | KBM Heats & Finals | 2026-02-20 |
| 100m Breaststroke | 2:12.19 | 2026 NKB Winter Invitational Short Course | 2026-01-17 |
| 100m Freestyle | 1:47.31 | 2026 NKB Winter Invitational Short Course | 2026-01-17 |
| 100m IM | 1:55.45 | 2026 NKB Winter Invitational Short Course | 2026-01-17 |
| 200m Freestyle | 3:49.57 | 2026 NKB Winter Invitational Short Course | 2026-01-17 |
| 50m Backstroke | 49.74 | KBM Heats & Finals | 2026-02-20 |
| 50m Breaststroke | 1:03.43 | 2025 NKB Fall Invitational | 2025-10-17 |
| 50m Butterfly | 51.58 | KBM Heats & Finals | 2026-02-20 |
| 50m Freestyle | 48.51 | KBM Heats & Finals | 2026-02-20 |
Than, Oliver's top personal bests include 100m Backstroke (1:44.56), 100m Breaststroke (2:12.19), 100m Freestyle (1:47.31), 100m IM (1:55.45), 200m Freestyle (3:49.57).
Than, Oliver swims for Nepean Kanata Barracudas Swim Club.
Than, Oliver has competed in 4 meets.