| Lane | Athlete | Yr. | Team | Seed | 
|---|---|---|---|---|
| 4 | MARTINEZ, Dana | SO | Buffalo Grove | NT | 
| 5 | ZAJKO, Zoe | JR | Elk Grove Village (E.G.) | 1:22.38 | 
| 6 | COLE, Audrey | JR | Buffalo Grove | NT | 
| Lane | Athlete | Yr. | Team | Seed | 
|---|---|---|---|---|
| 2 | MARZAN, Amelia | JR | Elk Grove Village (E.G.) | 1:15.28 | 
| 3 | TO, Madeleine | SO | Rolling Meadows | 1:11.52 | 
| 4 | CIESLA, Isabel | SO | Arlington Heights (Hersey) | 1:10.00 | 
| 5 | BOGHOSSIAN, Araxi | SR | Mt. Prospect (Prospect) | 1:04.15 | 
| 6 | GRABSKE, Margaretha | FR | Arlington Heights (Hersey) | 1:09.50 | 
| 7 | WOOTEN, Carmen | FR | Mt. Prospect (Prospect) | 1:11.44 | 
| 8 | ALLEN, Kiana | SO | Rolling Meadows | 1:15.00 | 
| 9 | CONTRERAS, Daisy | JR | Wheeling | 1:19.24 |