| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Breaststroke | 1:16.83 | Toronto Varsity Blues vs McMaster Marauders | 2025-10-18 |
| 100m Butterfly | 1:03.20 | 2026 U SPORTS Swimming Championships | 2026-03-12 |
| 100m IM | 1:06.09 | Toronto Varsity Blues vs McGill | 2025-11-16 |
| 200m Breaststroke | 2:46.87 | Toronto Varsity Blues vs McGill | 2025-11-16 |
| 200m Butterfly | 2:23.32 | 2026 OUA Swimming Championships | 2026-02-19 |
| 200m Freestyle | 2:07.81 | Toronto Varsity Blues vs McMaster Marauders | 2025-10-18 |
| 200m IM | 2:22.55 | 2026 OUA Swimming Championships | 2026-02-19 |
| 50m Backstroke | 30.86 | Toronto Varsity Blues Closed Meet | 2026-01-23 |
| 50m Butterfly | 28.61 | Toronto Varsity Blues vs McGill | 2025-11-16 |
Sydney Stewart's top personal bests include 100m Breaststroke (1:16.83), 100m Butterfly (1:03.20), 100m IM (1:06.09), 200m Breaststroke (2:46.87), 200m Butterfly (2:23.32).
Sydney Stewart swims for University of Toronto.
Sydney Stewart has competed in 5 meets.