| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 1 | ACERON, Christie | SO | Plainfield (East) | NT |
| 2 | RODRIGUEZ, Mariah | SO | Lemont | NT |
| 3 | SAMUILIS, Samantha | FR | Minooka | NT |
| 4 | REDMOND, Leyla | FR | Plainfield (South) | NT |
| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 1 | SOM, Lashara | SO | Plainfield (East) | NT |
| 2 | ROBISON-GIRARD, Sydney | SR | New Lenox (Lincoln-Way West) | 1:16.64 |
| 3 | CALIENDO, Grace | JR | Yorkville (H.S.) | 1:20.53 |
| 4 | BRENNWALD, Caitlin | SO | Lemont | NT |
| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 1 | FISHER, Mackenzie | FR | Minooka | 1:15.24 |
| 2 | NOVAK, Taylor | SR | New Lenox (Lincoln-Way West) | 1:15.00 |
| 3 | ALVAREZ, Brissa | JR | Plainfield (South) | 1:15.00 |
| 4 | MALDONADO, Natalia | SO | Yorkville (H.S.) | 1:16.22 |