| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:22.75 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 100m Breaststroke | 1:24.29 | 2026 Joanne Malar Invitational | 2026-01-16 |
| 100m Freestyle | 1:11.43 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 200m Backstroke | 2:51.54 | 2026 Joanne Malar Invitational | 2026-01-16 |
| 200m Breaststroke | 3:02.33 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 200m Freestyle | 2:34.71 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 200m IM | 2:50.29 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 400m Freestyle | 5:45.40 | Border City Invitational 2025 | 2025-12-05 |
| 50m Backstroke | 39.86 | Border City Invitational 2025 | 2025-12-05 |
| 50m Breaststroke | 38.58 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 50m Butterfly | 39.66 | Border City Invitational 2025 | 2025-12-05 |
| 50m Freestyle | 31.21 | 2026 Joanne Malar Invitational | 2026-01-16 |
Lu, Isaac's top personal bests include 100m Backstroke (1:22.75), 100m Breaststroke (1:24.29), 100m Freestyle (1:11.43), 200m Backstroke (2:51.54), 200m Breaststroke (3:02.33).
Lu, Isaac swims for Toronto Olympian Swim Team.
Lu, Isaac has competed in 10 meets.