| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:15.28 | ROW Fall First Try | 2025-10-18 |
| 100m Butterfly | 1:07.86 | Western Region Short Course Championships | 2026-02-12 |
| 100m Freestyle | 1:04.07 | Western Region Short Course Championships | 2026-02-12 |
| 200m Backstroke | 2:40.79 | BAC Team Showdown 2025 | 2025-12-12 |
| 200m Butterfly | 2:48.92 | BAC Team Showdown 2025 | 2025-12-12 |
| 200m Freestyle | 2:25.33 | Western Region Short Course Championships | 2026-02-12 |
| 200m IM | 2:46.72 | ROW Fall First Try | 2025-10-18 |
| 50m Backstroke | 33.41 | Western Region Short Course Championships | 2026-02-12 |
| 50m Butterfly | 30.28 | Western Region Short Course Championships | 2026-02-12 |
| 50m Freestyle | 28.71 | Western Region Short Course Championships | 2026-02-12 |
Sinha, Esther's top personal bests include 100m Backstroke (1:15.28), 100m Butterfly (1:07.86), 100m Freestyle (1:04.07), 200m Backstroke (2:40.79), 200m Butterfly (2:48.92).
Sinha, Esther swims for Region of Waterloo Swim Club.
Sinha, Esther has competed in 10 meets.