| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:16.85 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 100m Backstroke | 1:15.56 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 100m Breaststroke | 1:49.04 | MAC Rising Star #2 | 2025-05-30 |
| 100m Breaststroke | 1:40.43 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 100m Freestyle | 1:15.99 | MAC Rising Star #2 | 2025-05-30 |
| 100m Freestyle | 1:11.54 | Gus Ryder Memorial Cup 2025 | 2025-11-07 |
| 100m IM | 1:24.59 | Gus Ryder Memorial Cup 2025 | 2025-11-07 |
| 200m Backstroke | 2:45.92 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 200m Backstroke | 2:46.67 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 200m Breaststroke | 3:19.04 | David Lawson Invitational 2026 | 2026-01-23 |
| 200m Freestyle | 2:45.91 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 200m Freestyle | 2:36.89 | Gus Ryder Memorial Cup 2025 | 2025-11-07 |
| 200m IM | 3:08.45 | MAC Rising Star #2 | 2025-05-30 |
| 200m IM | 2:58.04 | Gus Ryder Memorial Cup 2025 | 2025-11-07 |
| 400m Freestyle | 5:25.88 | David Lawson Invitational 2026 | 2026-01-23 |
| 50m Backstroke | 35.54 | 2026 Ontario Age Groups - MPAC | 2026-03-05 |
| 50m Backstroke | 35.15 | 2026 Central Region Div 1 SC Championships | 2026-02-06 |
| 50m Breaststroke | 45.16 | David Lawson Invitational 2026 | 2026-01-23 |
| 50m Freestyle | 34.12 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 50m Freestyle | 32.79 | 2025 Murray Drudge Invitational | 2025-12-05 |
Stewart, Robert's top personal bests include 100m Backstroke (1:16.85), 100m Backstroke (1:15.56), 100m Breaststroke (1:49.04), 100m Breaststroke (1:40.43), 100m Freestyle (1:15.99).
Stewart, Robert swims for Oakville Aquatic Club.
Stewart, Robert has competed in 9 meets.