| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 3 | RAKERS, Isabel | FR | Duchesne High School | NT | Unverified: |
| 4 | KENDALL, Kathryn | SR | Visitation Academy | NT | Unverified: |
| 5 | MORROW, Makaylah | FR | Bishop DuBourg High School | NT | Unverified: |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | RIES, Rory | FR | Father Tolton Regional Catholic | 1:14.61 | Verified |
| 2 | FISCHER, Sydney | FR | Ursuline Academy | 1:13.55 | Verified |
| 3 | BORCHERS, Mary | FR | St. Joseph's Academy | 1:11.00 | Unverified: |
| 4 | HENNESSEY, Elianna | FR | Nerinx Hall High School | 1:09.66 | Unverified: |
| 6 | DIGNAM, Colleen | JR | St. Joseph's Academy | 1:11.00 | Verified |
| 7 | MEYERS, Samantha | FR | Visitation Academy | 1:14.16 | Verified |
| 8 | ROBERSON, LilliAna | SO | Belleville (Althoff Catholic) | 1:20.92 | Verified |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | ZIMMERMAN, Aimi | 8 | Father Tolton Regional Catholic | 1:08.73 | Verified |
| 2 | BOGNAR, Ava | FR | Cor Jesu Academy | 1:07.19 | Verified |
| 3 | WEIS, Emme | SO | Villa Duchesne High School | 1:06.51 | Verified |
| 4 | BRECKENRIDGE, Dylan | FR | Cor Jesu Academy | 1:04.43 | Verified |
| 5 | KAISER, Grace | SR | Nerinx Hall High School | 1:06.50 | Unverified: |
| 6 | BRYOWSKY, Niamh | FR | Ursuline Academy | 1:06.75 | Verified |
| 7 | HOFFMANN, Alice | JR | Duchesne High School | 1:08.09 | Verified |
| 8 | ELSTON, Brooke | SR | Rosati-Kain High School | 1:09.58 | Verified |