| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 2 | Sophia JOHNSON | JR | Roselle (Lake Park) | NT |
| 3 | Allison SHEEHY | JR | Chicago (Marist) | 1:15.35 |
| 4 | Lilli UHLIG | JR | Roselle (Lake Park) | NT |
| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 1 | Kordilia ZAJAK | JR | Elk Grove Village (E.G.) | 1:11.00 |
| 2 | Jordyn MUNCH | SR | New Lenox (Lincoln-Way West) | 1:08.74 |
| 3 | Katie SCHULTZ | SR | New Lenox (Lincoln-Way West) | 1:05.00 |
| 4 | Sarah DAMDINBAZAR | SR | Elk Grove Village (E.G.) | 1:08.10 |
| 5 | Katie TRACY | JR | Chicago (Marist) | 1:10.00 |
| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 1 | Lucca BIBBEY | SR | Oak Park (O.P.-River Forest) | 1:04.30 |
| 2 | Sarah SKORA | JR | Hinsdale (Central) | 1:03.90 |
| 3 | Catie MCCABE | JR | Hinsdale (Central) | 1:01.20 |
| 4 | Kathryn SAN ROMAN | SO | Wilmette (Loyola Academy) | 1:03.00 |
| 5 | Isabella BRAUC | FR | Oak Park (O.P.-River Forest) | 1:04.10 |
| 6 | Ellen GUNDLACH | FR | Wilmette (Loyola Academy) | 1:05.00 |