| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 2 | LITTLE, Erika | 8 | Emmons | NT | |
| 3 | VENTURA, Rocky | 8 | St. Joseph (Libertyville) | 1:32.25 | |
| 4 | STEGGERDA, Shelby | 8 | Prairie Crossing Charter | 1:23.48 | |
| 5 | ANGUILM, Lauren | 7 | St. Gilbert | 1:24.20 | |
| 6 | MORTENSEN, Madelyn | 8 | Emmons | NT | |
| 7 | MAFFEI, Francesca | 8 | Our Lady of the Wayside | NT |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | BOOHER, Grace | 7 | St. Gilbert | 1:23.30 | |
| 2 | HESTER, Riley | 8 | Fox River Grove | 1:18.72 | |
| 3 | MACKIE, Marycait | 8 | Queen of All Saints | 1:10.50 | |
| 4 | BYHRE, Kaley | 8 | Cambridge Lakes | 1:08.76 | |
| 5 | BURM, Michaela | 8 | Queen of All Saints | 1:08.90 | |
| 6 | PAINTER, Addison | 7 | Wheaton Christian | 1:18.46 | |
| 7 | PRATT, Emily | 7 | Wheaton Christian | 1:21.33 | |
| 8 | SCHERMERHORN, Elizabeth | 7 | Our Lady of the Wayside | 1:23.45 |