| Lane | Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Seed | Note |
|---|---|---|---|---|---|---|---|---|
| 1 | Plainfield (East) | A | Mccarthy, Jamie | 4:50.00 | ||||
| 2 | Plainfield (South) | A | Allen, Trinity | 4:35.00 | ||||
| 3 | Crystal Lake (South) | A | Heuck, Emma | 4:41.15 |
| Lane | Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Seed | Note |
|---|---|---|---|---|---|---|---|---|
| 1 | Lincoln-Way West | A | Hastings, Erin | 4:32.00 | ||||
| 2 | Lemont | A | McClatchy, Julianne | 4:23.00 | ||||
| 3 | Minooka | A | Rivara, Abby | 4:24.54 |