| Lane | Athlete | Yr. | Team | Seed | 
|---|---|---|---|---|
| 1 | SALAZAR, Nadia | JR | Elgin (Larkin) | NT | 
| 2 | ESCOBAR, Jillian | FR | Schaumburg | NT | 
| 3 | BANK, Maria | SR | Skokie (Niles North) | NT | 
| 4 | SAMANIEGO, Yetzy | SO | Elgin (Larkin) | NT | 
| Lane | Athlete | Yr. | Team | Seed | 
|---|---|---|---|---|
| 1 | BOHYER, Jada | JR | South Elgin | 1:16.00 | 
| 2 | LUNA-GUTIERREZ, Karen | FR | Wheeling | 1:15.24 | 
| 3 | PISTO, Milana | FR | Schaumburg | 1:15.70 | 
| 4 | MATTISON, Gabby | SO | Skokie (Niles North) | NT | 
| Lane | Athlete | Yr. | Team | Seed | 
|---|---|---|---|---|
| 1 | RIZVI, Rubab | SO | Gurnee (Warren) | NT | 
| 2 | MARISCAL, Natalie | SO | Round Lake | 1:13.68 | 
| 3 | GUZMAN, Daisy | JR | Carpentersville (Dundee-Crown) | 1:14.25 | 
| 4 | WIMMER, Gretchen | SR | Libertyville | 1:15.00 | 
| Lane | Athlete | Yr. | Team | Seed | 
|---|---|---|---|---|
| 1 | ABASOLO, Aiden | FR | Lake Zurich | 1:10.50 | 
| 2 | GRAHAM, Bridget | SO | Libertyville | 1:10.00 | 
| 3 | SHAF, Olivia | SO | Lake Zurich | 1:10.00 | 
| 4 | JUENGER, Delaney | JR | Gurnee (Warren) | 1:12.00 | 
| Lane | Athlete | Yr. | Team | Seed | 
|---|---|---|---|---|
| 1 | CUNNINGHAM, Aniya | FR | Zion (Z.-Benton) | 1:09.00 | 
| 2 | TETTEH, Pundit | SR | Carpentersville (Dundee-Crown) | 1:08.78 | 
| 3 | ROMAN, Gabriela | JR | Wheeling | 1:08.94 | 
| 4 | HOFMEIER, Anja | SR | Vernon Hills | 1:09.08 | 
| Lane | Athlete | Yr. | Team | Seed | 
|---|---|---|---|---|
| 1 | DENAPOLI, Kaitlyn | SR | Round Lake | 1:06.00 | 
| 2 | JOHNSON, Marisa | SR | Zion (Z.-Benton) | 1:05.00 | 
| 3 | COLLINS, Raven | SR | South Elgin | 1:05.60 | 
| 4 | MALFAIT, Miya | SO | Vernon Hills | 1:07.16 |