| Lane | Athlete | Yr. | Team | Seed | 
|---|---|---|---|---|
| 1 | LUNA-GUTIERREZ, Karen | FR | Wheeling | 2:54.47 | 
| 2 | SANTOS, Jocelyn | JR | Hoffman Estates (H.S.) | 2:54.95 | 
| 3 | PATEL, Jeeya | FR | Hoffman Estates (Conant) | 2:58.44 | 
| 4 | AVDJIEV, Yoanna | SO | Rolling Meadows | 2:59.57 | 
| 5 | VARQUERO, Darlene | SO | Wheeling | 3:00.25 | 
| 6 | FEINBERG, Amanda | FR | Mt. Prospect (Prospect) | 3:00.40 | 
| 7 | BORS, Melani | Elk Grove Village (E.G.) | 3:03.39 | |
| 8 | LOPEZ, Citlali | SO | Schaumburg | 3:04.07 | 
| 9 | BRITTO, Olivia | FR | Elk Grove Village (E.G.) | 3:14.88 | 
| 10 | OBIEDZINSKI, Olivia | SO | Buffalo Grove | 3:07.43 | 
| 11 | RAMIREZ, Cristina | JR | Palatine (H.S.) | 3:19.90 | 
| 12 | BERG, Sydney | FR | Hoffman Estates (H.S.) | 3:35.15 | 
| Lane | Athlete | Yr. | Team | Seed | 
|---|---|---|---|---|
| 1 | FRANSEN, Sophie | FR | Mt. Prospect (Prospect) | 2:34.70 | 
| 2 | FELMAN, Issy | SR | Arlington Heights (Hersey) | 2:37.75 | 
| 3 | PATEL, Ria | FR | Barrington | 2:42.23 | 
| 4 | PRICE, Allison | FR | Palatine (Fremd) | 2:42.50 | 
| 5 | AUYEUNG, Natalie | SO | Hoffman Estates (Conant) | 2:46.10 | 
| 6 | SCHLUCKBIER, Audrey | SO | Schaumburg | 2:46.36 | 
| 7 | BUSCH, Emma | SR | Palatine (H.S.) | 2:47.14 | 
| 8 | KWIATKOWSKI, Olivia | SO | Buffalo Grove | 2:49.24 | 
| 9 | CIESLA, Isabel | SO | Arlington Heights (Hersey) | 2:50.20 | 
| 10 | PRICE, Amy | FR | Palatine (Fremd) | 2:50.55 | 
| 11 | EDWARDS, Maddie | SR | Barrington | 2:51.94 | 
| 12 | AVDJIEV, Gabriela | SO | Rolling Meadows | 2:53.60 |