| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Lovell, Adalynn M (8)
|
ILPAWW |
52.22 |
51.50 |
-0.72 |
| 2 |
Sylvester, Nadia E (8)
|
ILPAWW |
1:02.22 |
58.06 |
-4.16 |
| 3 |
Skilondz, Sadie R (8)
|
ILBNSC |
58.24 |
58.25 |
0.01 |
| 4 |
McKinley, Aaliyah J (7)
|
ILPAWW |
59.83 |
58.30 |
-1.53 |
| 5 |
Gast, Sophia R (8)
|
ILPAWW |
53.30 |
58.95 |
5.65 |
| 6 |
Burroughs, Lauryn A (8)
|
ILMARL |
1:08.63 |
1:04.07 |
-4.56 |
| 7 |
Holmes, Evey A (8)
|
ILPAWW |
1:01.03 |
1:05.47 |
4.44 |
| 8 |
Parker, Sierra G (8)
|
ILBNSC |
1:03.11 |
1:09.00 |
5.89 |
|
Anand Venkatesh, Shivani (6)
|
ILMARL |
|
DQ |
- |
|
Poulin, Madison C (8)
|
ILBNSC |
1:28.24 |
DQ |
- |
|
Gurijala, Srinidhi (8)
|
ILBNSC |
|
DQ |
- |
|
Gilliland, Addison M (7)
|
ILFFSC |
1:06.64 |
NS |
- |