| Lane | Athlete | Yr. | Team | Seed | Note | 
|---|---|---|---|---|---|
| 2 | FICORILLI, Sophia | JR | Wheaton (North) | NT | |
| 3 | AHUATL, Michelle | FR | Wheaton (North) | NT | |
| 4 | AGWUNCHA, Amala | JR | Hillside (Proviso West) | NT | |
| 5 | LILLIE, Mikhaila | SR | Wheaton (North) | NT | 
| Lane | Athlete | Yr. | Team | Seed | Note | 
|---|---|---|---|---|---|
| 1 | RODRIGUEZ, Veda | JR | Chicago (Kennedy) | 1:34.91 | |
| 2 | KANE, Rachel | SR | Chicago (Lane) | 1:12.00 | |
| 3 | FLYNN, Kasey | JR | Chicago (Lane) | 1:10.00 | |
| 4 | MAJEWSKI, Madeline (Maddie) | SR | Chicago (Lane) | 1:11.00 | |
| 5 | CANO, Karen | JR | Chicago (Kennedy) | 1:20.26 | 
| Lane | Athlete | Yr. | Team | Seed | Note | 
|---|---|---|---|---|---|
| 1 | OLSON, Neeve | SR | LaGrange Park (Nazareth Acad | 1:06.13 | |
| 2 | PLAHM, Alayna | JR | LaGrange Park (Nazareth Acad | 1:02.02 | |
| 3 | SANDOVAL, Clare | JR | LaGrange Park (Nazareth Acad | 1:00.83 | |
| 4 | MASON, Tameyah | JR | Hillside (Proviso West) | 1:01.51 | |
| 5 | MCNAMARA, Jane | SR | LaGrange Park (Nazareth Acad | 1:06.00 | |
| 6 | WHITE, Melody | SR | Hillside (Proviso West) | 1:08.73 |