| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Gawel, Adeline K (12)
|
ILACAD |
4:43.54 |
4:42.29 |
-1.25 |
| 2 |
Dumm, Josephine R (12)
|
ILACAD |
4:45.82 |
4:46.16 |
0.34 |
| 3 |
Szadorski, Lauren A (12)
|
ILDLTA |
5:04.00 |
4:48.72 |
-15.28 |
| 4 |
Brereton, Penelope J (12)
|
ILBSC |
4:58.06 |
4:49.03 |
-9.03 |
| 5 |
Czosnyka, Alicia (12)
|
ILPAC |
4:52.51 |
4:49.44 |
-3.07 |
| 6 |
Hofmann, Kara A (12)
|
ILPAWW |
5:35.61 |
4:54.32 |
-41.29 |
| 7 |
Massimino, Chayse M (12)
|
ILCWAC |
4:54.07 |
4:57.06 |
2.99 |
| 8 |
Mantel, Natasha L (12)
|
ILHSC |
5:02.27 |
4:58.21 |
-4.06 |
| 9 |
Kaminski, Feagin Q (11)
|
ILCWAC |
5:08.00 |
4:59.45 |
-8.55 |
| 10 |
Nawrocki, Annabelle D (12)
|
ILACAD |
5:08.07 |
4:59.64 |
-8.43 |
| 11 |
Gustafson, Layla J (12)
|
ILHSC |
5:01.61 |
5:00.38 |
-1.23 |
| 12 |
Horwath, Anna R (12)
|
ILMMSC |
5:08.41 |
5:00.63 |
-7.78 |
| 13 |
Coffey, Emelia C (12)
|
ILBRRY |
5:03.96 |
5:00.80 |
-3.16 |
| 14 |
Arroyo, Mariposa S (12)
|
ILCWAC |
5:08.28 |
5:05.75 |
-2.53 |
| 15 |
Gamse, Blake H (12)
|
ILPAC |
5:08.18 |
5:05.77 |
-2.41 |
| 16 |
Abbott, Lila R (12)
|
ILJPD |
5:07.84 |
5:05.87 |
-1.97 |
| 17 |
Bartula, Julia H (12)
|
ILACAD |
5:36.70 |
5:06.22 |
-30.48 |
| 18 |
Sandor, Nelli (12)
|
ILPAC |
5:03.29 |
5:08.25 |
4.96 |
| 19 |
Dal Ponte, Genevieve M (12)
|
ILLWSA |
5:08.36 |
5:08.84 |
0.48 |
| 20 |
Wood, Claire H (12)
|
ILCWAC |
5:04.31 |
5:10.46 |
6.15 |
| 21 |
Yang, Sarah (12)
|
ILBSC |
5:07.98 |
5:10.84 |
2.86 |
| 22 |
Wyatt, Ashley L (12)
|
ILTIDE |
5:08.87 |
5:20.56 |
11.69 |
| 23 |
King, Madison M (11)
|
ILLFSC |
5:07.16 |
5:23.15 |
15.99 |