| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:21.03 | Winterfest 2026 | 2026-01-17 |
| 100m Breaststroke | 1:32.92 | Edmonton Open 2026 | 2026-01-30 |
| 100m Breaststroke | 1:31.44 | Summer Festival | 2025-06-13 |
| 100m Butterfly | 1:25.94 | Red Deer Catalina Valentine Meet | 2026-02-07 |
| 100m Freestyle | 1:11.85 | Winterfest 2026 | 2026-01-17 |
| 100m Freestyle | 1:08.26 | Winter Provincial Trials | 2026-03-06 |
| 100m IM | 1:20.14 | 4th Annual Comet Cup | 2025-11-14 |
| 200m Backstroke | 2:49.51 | Winterfest 2026 | 2026-01-17 |
| 200m Backstroke | 2:40.53 | Winter Provincial Trials | 2026-03-06 |
| 200m Breaststroke | 3:20.72 | Summer Provincial Trials LC | 2025-06-27 |
| 200m Freestyle | 2:37.20 | Summer Provincial Trials LC | 2025-06-27 |
| 200m Freestyle | 2:25.65 | OSC J.P. Fiset Invitational | 2025-12-11 |
| 200m IM | 3:01.24 | Summer Provincial Trials LC | 2025-06-27 |
| 200m IM | 2:51.30 | OSC J.P. Fiset Invitational | 2025-12-11 |
| 400m Freestyle | 5:16.78 | Edmonton Open 2026 | 2026-01-30 |
| 400m Freestyle | 5:05.23 | Winter Provincial Trials | 2026-03-06 |
| 400m IM | 6:16.84 | Winterfest 2026 | 2026-01-17 |
| 400m IM | 5:50.63 | Winter Provincial Trials | 2026-03-06 |
| 50m Backstroke | 37.66 | Winterfest 2026 | 2026-01-17 |
| 50m Backstroke | 35.79 | Winter Provincial Trials | 2026-03-06 |
| 50m Breaststroke | 41.13 | Edmonton Open 2026 | 2026-01-30 |
| 50m Breaststroke | 41.51 | OSC J.P. Fiset Invitational | 2025-12-11 |
| 50m Butterfly | 37.47 | Summer Festival | 2025-06-13 |
| 50m Freestyle | 32.88 | Winterfest 2026 | 2026-01-17 |
| 50m Freestyle | 32.09 | OSC J.P. Fiset Invitational | 2025-12-11 |
| 800m Freestyle | 10:46.05 | Edmonton Open 2026 | 2026-01-30 |
| 800m Freestyle | 10:25.18 | Winter Provincial Trials | 2026-03-06 |
Hennig, Sadie's top personal bests include 100m Backstroke (1:21.03), 100m Breaststroke (1:32.92), 100m Breaststroke (1:31.44), 100m Butterfly (1:25.94), 100m Freestyle (1:11.85).
Hennig, Sadie swims for Red Deer Catalina.
Hennig, Sadie has competed in 9 meets.