| Lane | Athlete | Yr. | Team | Seed | 
|---|---|---|---|---|
| 2 | LOVE, Saryah | FR | Naperville (Neuqua Valley) | NT | 
| 3 | RASHIDIAN, Sennah | FR | Naperville (North) | NT | 
| 4 | AL-TAIE, Jude | SO | Downers Grove (South) | 1:27.30 | 
| 5 | HART, Tiyanna | FR | Hinsdale (Central) | NT | 
| 6 | ZITZKA, Ava | SO | Naperville (Central) | NT | 
| Lane | Athlete | Yr. | Team | Seed | 
|---|---|---|---|---|
| 2 | KOWALSKI, Adela | FR | Downers Grove (South) | 1:19.90 | 
| 3 | GOMEZ, Valeria | SO | Downers Grove (South) | 1:14.00 | 
| 4 | JENNINGS, Jillian | JR | Naperville (North) | 1:13.16 | 
| 5 | CAHOON, Jayne | FR | Naperville (Neuqua Valley) | 1:13.87 | 
| 6 | TORRES, Citlali | JR | Downers Grove (South) | 1:16.40 | 
| 7 | SUTTON, Zoe | FR | Downers Grove (South) | 1:22.60 | 
| Lane | Athlete | Yr. | Team | Seed | 
|---|---|---|---|---|
| 1 | HANNUM, Maya | SO | Hinsdale (Central) | 1:10.43 | 
| 3 | GURUVUGARI, Tanvi | SO | Naperville (Neuqua Valley) | 1:08.67 | 
| 4 | ANDELBRADT, Madeline | SR | Naperville (North) | 1:03.90 | 
| 5 | BOYD, Kennedy | SO | Hinsdale (Central) | 1:08.48 | 
| 6 | HEWAWISSA, Gabrielle | SR | Downers Grove (South) | 1:09.33 | 
| 7 | GREGORI, Alexis | FR | Naperville (Central) | 1:10.20 | 
| 8 | SMITH, Felicity | FR | Naperville (North) | 1:11.90 |