| Lane | Athlete | Yr. | Team | Seed | 
|---|---|---|---|---|
| 1 | LOPEZ, Jasmin | FR | Hoffman Estates (H.S.) | 1:23.32 | 
| 2 | POPOCA, Itzel | SO | Wheeling | 1:19.34 | 
| 3 | KROTOSZYNSKI, Olivia | FR | Buffalo Grove | 1:21.93 | 
| Lane | Athlete | Yr. | Team | Seed | 
|---|---|---|---|---|
| 1 | AMARO, Ahtziri | SO | Wheeling | 1:18.24 | 
| 2 | ALLEN, Kiana | SO | Rolling Meadows | 1:15.00 | 
| 3 | MARZAN, Amelia | JR | Elk Grove Village (E.G.) | 1:17.20 | 
| 4 | PATEL, Parima | JR | Barrington | 1:18.60 | 
| Lane | Athlete | Yr. | Team | Seed | 
|---|---|---|---|---|
| 1 | PRAJAPATI, Anvi | FR | Hoffman Estates (Conant) | 1:14.87 | 
| 2 | TO, Madeleine | SO | Rolling Meadows | 1:14.00 | 
| 3 | MATKER, Allison | SO | Schaumburg | 1:14.41 | 
| 4 | DROZD, Maya | SO | Arlington Heights (Hersey) | 1:14.90 | 
| Lane | Athlete | Yr. | Team | Seed | 
|---|---|---|---|---|
| 1 | FREEL, Kristen | JR | Barrington | 1:13.64 | 
| 2 | MORA, Sarah | JR | Buffalo Grove | 1:13.10 | 
| 3 | KUESTER, Addison | FR | Elk Grove Village (E.G.) | 1:13.40 | 
| 4 | STATES, Nicole | JR | Hoffman Estates (Conant) | 1:13.67 | 
| Lane | Athlete | Yr. | Team | Seed | 
|---|---|---|---|---|
| 1 | LUNA, Addy | SO | Palatine (Fremd) | 1:12.00 | 
| 2 | HANNON, Dani | SO | Palatine (H.S.) | 1:11.98 | 
| 3 | JOHNSTON, Ava | SO | Palatine (Fremd) | 1:12.00 | 
| 4 | CIESLA, Isabel | SO | Arlington Heights (Hersey) | 1:12.80 | 
| Lane | Athlete | Yr. | Team | Seed | 
|---|---|---|---|---|
| 1 | CARRILLO, Vanessa | JR | Palatine (H.S.) | 1:11.00 | 
| 2 | LABA, Mary | FR | Mt. Prospect (Prospect) | 1:06.32 | 
| 3 | LAWLOR, Grace | JR | Mt. Prospect (Prospect) | 1:09.24 | 
| 4 | CONCIALDI, Alex | SO | Schaumburg | 1:11.94 |