| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:07.17 | OS Annual Short Course Invitational Swim Meet | 2025-10-31 |
| 100m Breaststroke | 1:15.06 | 2026 BC Winter Provincial Championships | 2026-03-05 |
| 100m Freestyle | 1:03.12 | OS December All Squad Time Trial | 2025-12-20 |
| 1500m Freestyle | 1:51.63 | VPSC Winter Invitational 2025 | 2025-12-05 |
| 200m Backstroke | 2:23.61 | 2026 BC Winter Provincial Championships | 2026-03-05 |
| 200m Breaststroke | 2:42.05 | 2026 BC Winter Provincial Championships | 2026-03-05 |
| 200m Butterfly | 2:51.89 | PSW June Jamboree 2025 | 2025-06-07 |
| 200m Freestyle | 2:14.14 | BC Winter Divisionals - Vancouver & Fraser | 2026-02-20 |
| 200m IM | 2:23.97 | BC Winter Divisionals - Vancouver & Fraser | 2026-02-20 |
| 400m Freestyle | 4:38.50 | 2026 BC Winter Provincial Championships | 2026-03-05 |
| 400m IM | 5:10.38 | BC Winter Divisionals - Vancouver & Fraser | 2026-02-20 |
| 50m Backstroke | 32.74 | OS December All Squad Time Trial | 2025-12-20 |
| 50m Breaststroke | 36.95 | OS December All Squad Time Trial | 2025-12-20 |
| 800m Freestyle | 9:21.94 | 2026 BC Winter Provincial Championships | 2026-03-05 |
Loo, Manizha's top personal bests include 100m Backstroke (1:07.17), 100m Breaststroke (1:15.06), 100m Freestyle (1:03.12), 1500m Freestyle (1:51.63), 200m Backstroke (2:23.61).
Loo, Manizha swims for Olympians Swimming.
Loo, Manizha has competed in 10 meets.