| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:00.96 | MAC Jingle Bell | 2025-12-12 |
| 100m Breaststroke | 1:17.20 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 100m Breaststroke | 1:15.41 | Pan Am Open 2026 | 2026-02-21 |
| 100m Butterfly | 1:12.71 | 2025 Age Group International LC | 2025-06-05 |
| 100m Butterfly | 1:04.11 | MAC Jingle Bell | 2025-12-12 |
| 100m Freestyle | 53.92 | MAC Jingle Bell | 2025-12-12 |
| 100m IM | 1:02.79 | Pan Am Open 2026 | 2026-02-21 |
| 200m Backstroke | 2:22.59 | 2025 Age Group International LC | 2025-06-05 |
| 200m Backstroke | 2:15.88 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 200m Breaststroke | 2:39.54 | Pan Am Open 2026 | 2026-02-21 |
| 200m Freestyle | 2:15.62 | 2025 Central Region Div 1 LC Championships | 2025-06-20 |
| 200m Freestyle | 2:04.41 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 200m IM | 2:33.79 | 2025 Age Group International LC | 2025-06-05 |
| 200m IM | 2:20.75 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 400m Freestyle | 4:40.40 | MAC Fall Fest Invitational | 2025-10-18 |
| 50m Backstroke | 29.92 | 2025 Age Group International LC | 2025-06-05 |
| 50m Backstroke | 28.03 | MAC Jingle Bell | 2025-12-12 |
| 50m Breaststroke | 33.85 | Pan Am Open 2026 | 2026-02-21 |
| 50m Butterfly | 27.73 | MAC Jingle Bell | 2025-12-12 |
| 50m Freestyle | 26.37 | 2025 Age Group International LC | 2025-06-05 |
| 50m Freestyle | 24.67 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 800m Freestyle | 9:56.46 | Gus Ryder Memorial Cup 2025 | 2025-11-07 |
Robert Rusu's top personal bests include 100m Backstroke (1:00.96), 100m Breaststroke (1:17.20), 100m Breaststroke (1:15.41), 100m Butterfly (1:12.71), 100m Butterfly (1:04.11).
Robert Rusu swims for Markham Aquatic Club.
Robert Rusu has competed in 8 meets.