| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Coe, Angela A (15)
|
ILHEAT |
54.59 |
56.56 |
1.97 |
| 2 |
Coe, Jasmine M (17)
|
ILHEAT |
55.36 |
1:04.46 |
9.10 |
| 3 |
Terry, Olivia R (13)
|
ILHEAT |
1:06.94 |
1:06.24 |
-0.70 |
| 4 |
Fuller, Payton J (14)
|
ILHEAT |
1:07.71 |
1:10.53 |
2.82 |
| 5 |
Gandhi, Arya S (14)
|
ILBNY |
1:09.62 |
1:13.18 |
3.56 |
| 6 |
Dunakey, Becka D (12)
|
ILYDSC |
1:14.30 |
1:14.21 |
-0.09 |
| 7 |
Kovalcik, Emmery A (16)
|
ILYDSC |
1:13.04 |
1:15.03 |
1.99 |
| 8 |
Mueller, Anna T (13)
|
ILBNY |
1:13.56 |
1:15.31 |
1.75 |
| 9 |
Mousty, Kyleigh E (13)
|
ILPAWW |
1:18.89 |
1:18.71 |
-0.18 |
| 10 |
Mansfield, Madilynn E (13)
|
ILYDSC |
1:21.31 |
1:20.79 |
-0.52 |
| 11 |
Gulley, Georgette G (13)
|
ILACAD |
1:20.74 |
1:22.26 |
1.52 |
| 12 |
Bopearatchy, Hiruni T (13)
|
ILPAWW |
1:34.28 |
1:24.84 |
-9.44 |
| 13 |
Lawton, Elizabeth S (13)
|
ILMARL |
1:31.81 |
1:31.11 |
-0.70 |
| 14 |
Tibbitts, Jaycee G (14)
|
ILFFSC |
|
1:41.76 |
- |
| 15 |
Bishop, Devan M (16)
|
ILFFSC |
1:50.47 |
1:42.13 |
-8.34 |