| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:32.02 | 2026 BAD Spring Invitational Meet | 2026-03-06 |
| 100m Breaststroke | 1:46.22 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 100m Butterfly | 1:52.97 | David Lawson Invitational 2026 | 2026-01-23 |
| 100m Freestyle | 1:33.82 | MAC Jingle Bell | 2025-12-12 |
| 100m IM | 1:46.36 | Gus Ryder Memorial Cup 2025 | 2025-11-07 |
| 200m Backstroke | 3:20.00 | 2026 BAD Spring Invitational Meet | 2026-03-06 |
| 200m Breaststroke | 3:51.76 | 2026 BAD Spring Invitational Meet | 2026-03-06 |
| 200m Freestyle | 3:20.36 | 2026 BAD Spring Invitational Meet | 2026-03-06 |
| 200m IM | 4:02.09 | 2025 OAK Brad Townsend Fall Classic | 2025-10-17 |
| 400m Freestyle | 7:17.17 | MAC Jingle Bell | 2025-12-12 |
| 50m Backstroke | 51.32 | 2025 OAK Brad Townsend Fall Classic | 2025-10-17 |
| 50m Breaststroke | 47.51 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 50m Butterfly | 42.27 | 2026 BAD Spring Invitational Meet | 2026-03-06 |
| 50m Freestyle | 38.39 | 2026 BAD Spring Invitational Meet | 2026-03-06 |
Wang, Marcus's top personal bests include 100m Backstroke (1:32.02), 100m Breaststroke (1:46.22), 100m Butterfly (1:52.97), 100m Freestyle (1:33.82), 100m IM (1:46.36).
Wang, Marcus swims for Oakville Aquatic Club.
Wang, Marcus has competed in 7 meets.