100 Butterfly State Qualifying Time: : 59.42
| 1 |  Olivia Swalley, SRJohnston | 57.42 |
| 2 |  Grace Hoeper, SOIowa City High | 57.61 |
| 3 |  Hannah Cousins, JRDavenport Central | 58.40 |
| 4 |  Nora Kemp, JRWaukee | 58.58 |
| 5 | Mallory Kell, SR Waukee | 58.63 |
| 6 |  Zarah Worth, SRDowling Catholic | 59.26 |
| 7 | Julia Sweetman, SR Dowling Catholic | 59.28 |