| Lane | Athlete | Yr. | Team | Seed | Note | 
|---|---|---|---|---|---|
| 2 | STASIK, Emily | SO | Chicago (Kennedy) | NT | |
| 3 | CING, Niang | SO | Wheaton (North) | NT | |
| 4 | PLESCIA, Gianna | FR | LaGrange Park (Nazareth Acad | NT | |
| 5 | FAVIAN, Yaritzy | FR | Wheaton (North) | NT | |
| 6 | ORTEGA, Danna | SO | Wheaton (North) | NT | 
| Lane | Athlete | Yr. | Team | Seed | Note | 
|---|---|---|---|---|---|
| 1 | RONE, Keri | FR | Hillside (Proviso West) | NT | |
| 2 | MACIAS, Nadia | FR | Chicago (Kennedy) | 1:24.37 | |
| 3 | GOINS, London | FR | Chicago (Lane) | 1:18.00 | |
| 4 | GONZALEZ, Evelyn | SO | Chicago (Kennedy) | 1:20.07 | |
| 5 | PATEL, Pal | SO | Chicago (Kennedy) | 1:30.86 | |
| 6 | KALIN, Mia | FR | Hillside (Proviso West) | NT | 
| Lane | Athlete | Yr. | Team | Seed | Note | 
|---|---|---|---|---|---|
| 1 | MELCHOR, Marisol | SO | Hillside (Proviso West) | 1:14.83 | |
| 2 | CASEY, McKenna | FR | Chicago (Lane) | 1:09.00 | |
| 3 | SIGMUND, Claire | FR | LaGrange Park (Nazareth Acad | 1:05.93 | |
| 4 | MAHONEY, Jayla | SO | Hillside (Proviso West) | 1:07.95 | |
| 5 | HAYS, Jocelyn | SO | Chicago (Lane) | 1:10.00 | |
| 6 | STRAZANAC, Madison | FR | Chicago (Lane) | 1:18.00 |