| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:13.03 | Western Transmountain Festival III | 2026-02-20 |
| 100m Backstroke | 1:10.16 | Winter Provincial Trials | 2026-03-06 |
| 100m Breaststroke | 1:22.85 | KCS 32nd MJB Law Classic SCM | 2025-12-12 |
| 100m Butterfly | 1:12.84 | Winter Provincial Trials | 2026-03-06 |
| 100m Freestyle | 1:03.42 | Winter Quali 2025 | 2025-12-17 |
| 100m Freestyle | 1:01.00 | KCS 32nd MJB Law Classic SCM | 2025-12-12 |
| 100m IM | 1:11.02 | Cascade Speed Meet 2025 Provincial Series #1 | 2025-11-08 |
| 200m Backstroke | 2:38.27 | Winter Quali 2025 | 2025-12-17 |
| 200m Backstroke | 2:26.62 | Winter Provincial Trials | 2026-03-06 |
| 200m Freestyle | 2:25.76 | KCS 32nd MJB Law Classic SCM | 2025-12-12 |
| 200m IM | 2:30.40 | Winter Provincial Trials | 2026-03-06 |
| 400m Freestyle | 5:04.80 | Cascade Speed Meet 2025 Provincial Series #1 | 2025-11-08 |
| 400m IM | 6:01.90 | Cascade Speed Meet 2025 Provincial Series #1 | 2025-11-08 |
| 50m Backstroke | 34.07 | Western Transmountain Festival III | 2026-02-20 |
| 50m Backstroke | 33.19 | UCSC TC1-Special | 2025-10-17 |
| 50m Breaststroke | 36.26 | Western Transmountain Festival III | 2026-02-20 |
| 50m Breaststroke | 37.07 | UCSC Grand Prix | 2026-01-30 |
| 50m Butterfly | 32.48 | Western Transmountain Festival III | 2026-02-20 |
| 50m Butterfly | 32.61 | UCSC Grand Prix | 2026-01-30 |
| 50m Freestyle | 27.85 | Western Transmountain Festival III | 2026-02-20 |
| 50m Freestyle | 27.26 | UCSC TC1-Special | 2025-10-17 |
Sadovnick, Marlow's top personal bests include 100m Backstroke (1:13.03), 100m Backstroke (1:10.16), 100m Breaststroke (1:22.85), 100m Butterfly (1:12.84), 100m Freestyle (1:03.42).
Sadovnick, Marlow swims for Calgary Swimming.
Sadovnick, Marlow has competed in 8 meets.