| Lane | Athlete | Team | Seed |
|---|---|---|---|
| 3 | HUB, Ryan | Lisle (Sr) | 1:18.57 |
| 4 | DEROSA, Izzy | Wheaton (St. Francis) | 1:07.52 |
| 5 | CARRILLO, Aracely | Glen Ellyn (Glenbard South) | 1:08.21 |
| Lane | Athlete | Team | Seed |
|---|---|---|---|
| 1 | SCULL, Jillian | Plano | 58.91 |
| 2 | SHOEMAKER, Sidney | Lisle (Sr) | 56.43 |
| 3 | HERMES, Brooke | West Chicago (Wheaton Academ | 56.24 |
| 4 | ROBERTS, Claire | Sandwich | 53.90 |
| 5 | KETTERMAN, Ava | Aurora (Rosary) | 55.27 |
| 6 | RUBRIGHT, Alivia | Dixon (H.S.) | 56.26 |
| 7 | BEYER, Jenna | Sycamore (H.S.) | 58.38 |
| Lane | Athlete | Team | Seed |
|---|---|---|---|
| 1 | SUNDERLADGE, MaKenna | Genoa (G.-Kingston) | 52.54 |
| 2 | SEDLACEK, Quynh | West Chicago (Wheaton Academ | 51.84 |
| 3 | LOGSDON, Ellie | Genoa (G.-Kingston) | 49.74 |
| 4 | MOLENHOUSE, Ann | Aurora (Rosary) | 45.11 |
| 5 | BARKOCY, Brooke | Burlington (Central) | 45.48 |
| 6 | WATSON, Grace | Aurora (Central Catholic) | 51.43 |
| 7 | DINEEN, Katelyn | Aurora (Central Catholic) | 52.28 |
| 8 | GRANGER, Samara | Burlington (Central) | 53.44 |