| Lane | Athlete | Team | Seed |
|---|---|---|---|
| 3 | IRION, Gianna | Willowbrook | NT |
| 4 | COLLINS, Lashaun | Hinsdale South | NT |
| 5 | WANGLER, Clare | Willowbrook | NT |
| Lane | Athlete | Team | Seed |
|---|---|---|---|
| 1 | GONZALEZ, Lizbeth | Conant | NT |
| 2 | BRADEN, Daylee | Willowbrook | NT |
| 3 | SANCHEZ, Alizai | J. Sterling Morton Township | 1:16.78 |
| 4 | BRONK, natalie | Conant | NT |
| 5 | STIRLING, Tiffany | Hinsdale South | NT |
| Lane | Athlete | Team | Seed |
|---|---|---|---|
| 2 | LOPEZ, Johana | J. Sterling Morton Township | 1:16.00 |
| 3 | SAMBOU, Andene | Trinity (River Forest) | 1:10.00 |
| 4 | GONZALEZ, Nadia | Trinity (River Forest) | 1:10.00 |
| 5 | MEZA, Jocelyn | J. Sterling Morton Township | 1:14.56 |
| 6 | YU, Elisa | Conant | 1:16.70 |