| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:58.75 | Craven SPORT Services Racing Series #2 | 2025-11-15 |
| 100m Breaststroke | 2:17.04 | Winter Classic | 2026-01-16 |
| 100m Breaststroke | 2:17.77 | 2026 Sask Open Short Course Junior Provincials | 2026-02-27 |
| 100m Freestyle | 1:48.05 | Winter Classic | 2026-01-16 |
| 100m Freestyle | 1:38.04 | 2026 Sask Open Short Course Junior Provincials | 2026-02-27 |
| 200m Freestyle | 3:41.15 | Goldfins Pentathlon | 2026-02-07 |
| 200m Freestyle | 3:43.05 | 2026 Sask Open Short Course Junior Provincials | 2026-02-27 |
| 25m Butterfly | 30.23 | Craven SPORT Services Racing Series #1 | 2025-09-27 |
| 50m Backstroke | 50.34 | Winter Classic | 2026-01-16 |
| 50m Backstroke | 51.08 | 2026 Sask Open Short Course Junior Provincials | 2026-02-27 |
| 50m Breaststroke | 59.93 | Goldfins Pentathlon | 2026-02-07 |
| 50m Breaststroke | 1:00.90 | 2026 Sask Open Short Course Junior Provincials | 2026-02-27 |
| 50m Butterfly | 1:04.17 | Goldfins Pentathlon | 2026-02-07 |
| 50m Butterfly | 1:00.90 | Craven SPORT Services Racing Series #3 | 2026-03-07 |
| 50m Freestyle | 45.74 | Winter Classic | 2026-01-16 |
| 50m Freestyle | 45.30 | Craven SPORT Services Racing Series #3 | 2026-03-07 |
Henderson, Sydnie's top personal bests include 100m Backstroke (1:58.75), 100m Breaststroke (2:17.04), 100m Breaststroke (2:17.77), 100m Freestyle (1:48.05), 100m Freestyle (1:38.04).
Henderson, Sydnie swims for Saskatoon Lasers Swim Club.
Henderson, Sydnie has competed in 8 meets.