| IHSA 3A Girls Qualifying Standard | 49.20 | 3A Girls Qualifying Standard |
| Lane | Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Seed |
|---|---|---|---|---|---|---|---|
| 2 | Lemont | A | Aleksandravicius | Lazzarotto | Regep | Reyes | 55.12 |
| 3 | Aurora (Waubonsie Valley) | A | Pavuk | Ahmadian | Prasad | Jenkins | 53.05 |
| 4 | Aurora (East) | A | Willis | Young | Moore | Young | 54.24 |
| Lane | Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Seed |
|---|---|---|---|---|---|---|---|
| 1 | Darien (Hinsdale South) | A | Joseph | Linkowski-Leadingham | Hobbs | Petrovic | 52.44 |
| 2 | Palos Hills (Stagg) | A | Tsoutsas | Hartunian | Rudnik | Lawler | 51.91 |
| 3 | Aurora (West Aurora) | A | Orrala | Lott | Aguirre | Littlejohn | 51.15 |
| 4 | Downers Grove (South) | A | McShan | Lander | Sztafa | Gonzalez | 51.23 |
| 5 | Orland Park (Sandburg) | A | Landers | Wolf | Nwachukwu | Oben | DNS |
| 6 | Naperville (North) | A | Yakus | Molden | Desai | Hipp | 52.96 |
| Lane | Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Seed |
|---|---|---|---|---|---|---|---|
| 1 | Naperville (Central) | A | Adelman | Bilik | Kusserow | O'Neill | 50.76 |
| 2 | Downers Grove (North) | A | Leach | Streff | Kowalski | Wittmer | 50.22 |
| 3 | Bolingbrook | A | Johnson | Jackson | Jones | Ifeajekwu | 49.49 |
| 4 | Hinsdale (Central) | A | McCoy | Reed | Hodneland | Chandler | 50.20 |
| 5 | LaGrange (Lyons) | A | Kwak | Kuhlman | Gannon | Phillips | 50.32 |
| 6 | Aurora (Metea Valley) | A | Murrell | Capskaja | Beardsley | Upton | 50.89 |