| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:57.09 | MAC Jingle Bell | 2025-12-12 |
| 100m Breaststroke | 2:10.00 | MAC Jingle Bell | 2025-12-12 |
| 100m Freestyle | 1:43.00 | MAC Jingle Bell | 2025-12-12 |
| 100m IM | 2:05.72 | MAC Jingle Bell | 2025-12-12 |
| 200m Freestyle | 3:48.52 | MAC Jingle Bell | 2025-12-12 |
| 50m Backstroke | 58.83 | MAC Jingle Bell | 2025-12-12 |
| 50m Breaststroke | 1:00.52 | MAC Jingle Bell | 2025-12-12 |
| 50m Butterfly | 1:01.61 | MAC Rising Star #1 | 2025-11-08 |
| 50m Freestyle | 44.46 | MAC Jingle Bell | 2025-12-12 |
Lee, Marcus's top personal bests include 100m Backstroke (1:57.09), 100m Breaststroke (2:10.00), 100m Freestyle (1:43.00), 100m IM (2:05.72), 200m Freestyle (3:48.52).
Lee, Marcus swims for Markham Aquatic Club.
Lee, Marcus has competed in 3 meets.