| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | SHYLANSKI, Ella | SO | Ft. Zumwalt North High School | NT | Unverified: |
| 2 | AMERSON, Sania | JR | Francis Howell High School | 1:21.53 | Verified |
| 3 | BREDENBERG, Reagan | SO | Timberland High School | 1:20.27 | Verified |
| 4 | ROBERTSON, Caroline | FR | Francis Howell High School | 1:19.07 | Verified |
| 5 | STANLEY, Lucy | SO | Timberland High School | 1:19.44 | Verified |
| 6 | PILLIARD, Olive | FR | Ft. Zumwalt South High School | 1:21.30 | Verified |
| 7 | HILL, Candice | FR | St. Charles High School | 1:25.81 | Verified |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | BARTON, Addison | FR | Ft. Zumwalt South High School | 1:18.22 | Verified |
| 2 | PRICHARD, Melissa | FR | St. Charles High School | 1:17.08 | Verified |
| 3 | ABUNAW, Etengenegmanyo | FR | North Point High School | 1:12.00 | Unverified: |
| 4 | BELLO, Elizabeth | FR | Ft. Zumwalt North High School | 1:11.19 | Verified |
| 5 | WHITE, Leah | FR | Hazelwood Central High School | 1:11.23 | Unverified: |
| 6 | CANNON, Aaniyah | JR | Hazelwood Central High School | 1:13.03 | Verified |
| 7 | GARRETT, Miracle | FR | Riverview Gardens High School | 1:18.07 | Verified |
| 8 | DIAZ, Lilianna | SR | Timberland High School | 1:18.56 | Verified |
| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | SPIRZ, Lauren | FR | Francis Howell High School | 1:10.98 | Verified |
| 2 | PENDER, Elena | SO | North Point High School | 1:09.99 | Verified |
| 3 | RITTER, Raquel | FR | Ft. Zumwalt South High School | 1:09.37 | Verified |
| 4 | BELTER, Sydney | SO | Francis Howell Central High Scho | 1:07.18 | Verified |
| 5 | MYERS, McKenzie | SO | Francis Howell Central High Scho | 1:07.34 | Verified |
| 6 | SCRUGGS, Zamier | FR | Hazelwood Central High School | 1:09.88 | Unverified: |
| 7 | GATEWOOD, Shelby | SR | Ft. Zumwalt North High School | 1:10.98 | Verified |
| 8 | FIELDS, Ginessa | SO | St. Charles High School | 1:11.06 | Verified |