| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 3 | MORALES, Maria | -- | Franklin Park-Northlake (Leyden) | 1:19.56 | Verified |
| 4 | SCHULTHEIS, Claire | SO | Downers Grove (South) | 1:13.59 | Unverified: |
| 5 | CASTILLO, Ruth | SO | Addison (A. Trail) | 1:14.53 | Verified |
| 6 | JIMENEZ, Alexandra | JR | Berwyn-Cicero (Morton) | 1:23.23 | Verified |
| 7 | FEDINEC, Alexandra | FR | Darien (Hinsdale South) | NT | Unverified: |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | ESPARZA, Camila | FR | Addison (A. Trail) | 1:11.53 | Verified |
| 2 | BORZEWSKI, Alissa | FR | Franklin Park-Northlake (Leyden) | 1:09.15 | Verified |
| 3 | KIMBLE, Ava | FR | Maywood (Proviso East) | 1:07.80 | Unverified: Palatine Relays |
| 4 | ROBINSON-THOMAS, Tori | FR | Maywood (Proviso East) | 1:02.31 | Verified |
| 5 | GWALTNEY, Olivia | FR | Villa Park (Willowbrook) | 1:06.72 | Unverified: |
| 6 | BULLIVANT, Elena | FR | Villa Park (Willowbrook) | 1:08.28 | Verified |
| 7 | KULAGA, Riley | SO | Downers Grove (South) | 1:11.20 | Unverified: |
| 8 | TORRES, Lailah | FR | Berwyn-Cicero (Morton) | 1:12.66 | Verified |