| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 4 | Claire BAIMA | FR | Staunton | NT |
| 5 | Bianka DELVALLE | FR | Staunton | NT |
| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 1 | Riley DOYLE | SO | Roxana | NT |
| 2 | Clare RUSSELL | SO | Jerseyville (Jersey) | 1:27.39 |
| 3 | Callie MORGAN | SR | Rochester | 1:17.96 |
| 4 | Bernice GLOVER | SO | Springfield (Lanphier) | 1:15.28 |
| 5 | Jessica BORROR | SR | Highland | 1:15.98 |
| 6 | Sabrina FULKERSON | JR | Wood River (East Alton-W.R.) | 1:18.84 |
| 7 | Jillian CONLON | FR | Rochester | NT |
| 8 | Grace MEYER | SR | Highland | NT |
| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 1 | AmyDee BACHMAN | JR | Piasa (Southwestern) | 1:14.44 |
| 2 | Ashlyn NICOUD | JR | Springfield (Sacred Heart-Gr | 1:11.07 |
| 3 | Passion HOOD | SO | Springfield (Southeast) | 1:08.03 |
| 4 | Jennifer PALEN | SR | Roxana | 1:07.04 |
| 5 | Bella HANNAFORD | FR | Bethalto (Civic Memorial) | 1:07.20 |
| 6 | Kathryn WEBER | JR | Troy (Triad) | 1:09.09 |
| 7 | Anna LOELKE | FR | Jerseyville (Jersey) | 1:12.44 |
| 8 | Morgan DURHAM | JR | Piasa (Southwestern) | 1:14.94 |
| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 1 | Apiphany PATTERSON | SO | Springfield (Lanphier) | 1:06.49 |
| 2 | Armonie JOHNSON | SO | East St. Louis (Sr.) | 1:05.82 |
| 3 | Jaysha BELL | SR | East St. Louis (Sr.) | 1:02.12 |
| 4 | Sydney HARTOIN | SR | Troy (Triad) | 59.43 |
| 5 | Sterling SCARLETTE | SO | Springfield (Sacred Heart-Gr | 1:00.84 |
| 6 | Courtney BASSLER | SO | Breese (Central) | 1:05.54 |
| 7 | Reese FERGUSON | SR | Bethalto (Civic Memorial) | 1:06.35 |
| 8 | Megan DOUGLAS | SR | Wood River (East Alton-W.R.) | 1:06.83 |