| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Aviles, Izabella C (10)
|
ILBNY |
2:56.43 |
2:38.63 |
-17.80 |
| 2 |
Johnson, Karsyn T (9)
|
ILHEAT |
3:00.94 |
2:58.51 |
-2.43 |
| 3 |
Hendricks, Josephine M (10)
|
ILSPY |
3:09.71 |
3:06.57 |
-3.14 |
| 4 |
Lundin, Ella (10)
|
ILCCY |
3:18.32 |
3:11.08 |
-7.24 |
| 5 |
Traub, Ayla D (10)
|
ILHHSC |
3:24.58 |
3:11.36 |
-13.22 |
| 6 |
Allen, Lilly M (10)
|
ILSPY |
3:12.27 |
3:12.09 |
-0.18 |
| 7 |
Foster, Kendall R (10)
|
ILSPY |
3:18.50 |
3:14.75 |
-3.75 |
| 8 |
Eilts, Norelle A (9)
|
ILHEAT |
3:12.29 |
3:17.28 |
4.99 |
| 9 |
Hunter, Vivian (10)
|
ILDANY |
3:18.00 |
3:20.32 |
2.32 |
| 10 |
Metzger, Macklin D (10)
|
ILSPY |
3:23.85 |
3:21.28 |
-2.57 |
| 11 |
Padilla, Logann (9)
|
ILJAXY |
3:21.16 |
3:27.74 |
6.58 |
| 12 |
Crowder, Lyla (9)
|
ILJAXY |
3:31.08 |
3:27.84 |
-3.24 |
| 13 |
Hague-Boaden, Makilynn (10)
|
ILCCY |
3:32.29 |
3:36.21 |
3.92 |
| 14 |
Garee, Ellison E (9)
|
ILSPY |
3:50.72 |
3:59.22 |
8.50 |
|
Secrist, Corinne (10)
|
ILJAXY |
3:52.01 |
DQ |
- |