| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:40.18 | 2025 Alex Baumann Invitational | 2025-11-21 |
| 100m Breaststroke | 1:45.68 | BAC SC Fall Invitational | 2025-11-07 |
| 100m Freestyle | 1:21.03 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 100m IM | 1:35.13 | 2025 Alex Baumann Invitational | 2025-11-21 |
| 200m Breaststroke | 3:44.78 | GMAC Dash for Cash | 2025-12-05 |
| 200m Freestyle | 2:58.73 | GMAC Dash for Cash | 2025-12-05 |
| 400m Freestyle | 6:21.03 | 2025 Alex Baumann Invitational | 2025-11-21 |
| 50m Backstroke | 44.16 | GMAC Dash for Cash | 2025-12-05 |
| 50m Breaststroke | 47.47 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 50m Butterfly | 45.92 | BAC SC Fall Invitational | 2025-11-07 |
| 50m Freestyle | 36.23 | 2025 Alex Baumann Invitational | 2025-11-21 |
Koziarski, Sadie's top personal bests include 100m Backstroke (1:40.18), 100m Breaststroke (1:45.68), 100m Freestyle (1:21.03), 100m IM (1:35.13), 200m Breaststroke (3:44.78).
Koziarski, Sadie swims for Milton Marlin Swim Team.
Koziarski, Sadie has competed in 7 meets.