| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:06.65 | Winter Provincial Trials | 2026-03-06 |
| 100m Breaststroke | 1:25.95 | Sandy Ferris Age Group Food Bank Challenge 2025 | 2025-12-19 |
| 100m Butterfly | 1:04.01 | Winter Provincial Trials | 2026-03-06 |
| 100m Freestyle | 59.96 | Winter Provincial Trials | 2026-03-06 |
| 100m IM | 1:13.95 | Cascade Speed Meet 2025 Provincial Series #1 | 2025-11-08 |
| 200m Backstroke | 2:29.75 | Winter Provincial Trials | 2026-03-06 |
| 200m Breaststroke | 3:04.83 | Pugsley's Plunge 2026 | 2026-01-16 |
| 200m Butterfly | 2:43.59 | Pugsley's Plunge 2026 | 2026-01-16 |
| 200m Freestyle | 2:20.47 | Sandy Ferris Age Group Food Bank Challenge 2025 | 2025-12-19 |
| 200m IM | 2:31.70 | Winter Provincial Trials | 2026-03-06 |
| 400m Freestyle | 5:05.20 | Pugsley's Plunge 2026 | 2026-01-16 |
| 400m IM | 5:40.74 | Sandy Ferris Age Group Food Bank Challenge 2025 | 2025-12-19 |
| 50m Backstroke | 30.41 | Winter Provincial Trials | 2026-03-06 |
| 50m Breaststroke | 40.83 | Mini Pro: Speed Meet 2025 | 2025-11-07 |
| 50m Butterfly | 29.33 | Winter Provincial Trials | 2026-03-06 |
| 50m Freestyle | 28.06 | Mini Pro: Speed Meet 2025 | 2025-11-07 |
Pham, Marcus's top personal bests include 100m Backstroke (1:06.65), 100m Breaststroke (1:25.95), 100m Butterfly (1:04.01), 100m Freestyle (59.96), 100m IM (1:13.95).
Pham, Marcus swims for Cascade Swim Club.
Pham, Marcus has competed in 8 meets.