| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Conic, Vera (13)
|
ILPPD |
19:18.63 |
18:32.53 |
-46.10 |
| 2 |
Veer, Jada M (13)
|
ILFAST |
|
18:52.20 |
- |
| 3 |
Barkhurst, Abigail R (15)
|
ILMMSC |
19:12.89 |
18:52.26 |
-20.63 |
| 4 |
Nelson, Molly A (17)
|
ILBRRY |
18:43.50 |
19:05.12 |
21.62 |
| 5 |
Gawel, Adeline K (12)
|
ILACAD |
19:30.12 |
19:08.33 |
-21.79 |
| 6 |
Lindstrom, Audrey J (13)
|
ILACAD |
|
19:19.17 |
- |
| 7 |
Dumm, Josephine R (12)
|
ILACAD |
19:45.63 |
19:19.21 |
-26.42 |
| 8 |
Donham, Kara M (14)
|
ILBRRY |
|
19:31.35 |
- |
| 9 |
Bollman, Katherine G (16)
|
ILBRRY |
20:12.99 |
19:35.20 |
-37.79 |
| 10 |
Mallers, Kendall J (14)
|
ILACAD |
20:02.16 |
19:39.15 |
-23.01 |
| 11 |
LaBarre, Kessa B (13)
|
ILBRRY |
|
20:02.30 |
- |
| 12 |
Alley, Danielle R (17)
|
ILACAD |
20:17.52 |
20:02.68 |
-14.84 |
| 13 |
Casanovas, Alexandra C (13)
|
ILACAD |
|
20:21.32 |
- |
| 14 |
Bartula, Julia H (12)
|
ILACAD |
|
20:35.84 |
- |
| 15 |
Hager, Katelyn M (17)
|
ILAA |
23:14.60 |
20:50.80 |
-143.80 |
| 16 |
Coffey, Emelia C (12)
|
ILBRRY |
20:10.22 |
20:52.93 |
42.71 |
| 17 |
Horwath, Anna R (12)
|
ILMMSC |
21:07.01 |
20:55.49 |
-11.52 |
| 18 |
Drago, Mia I (17)
|
ILAA |
18:55.84 |
21:19.75 |
143.91 |
| 19 |
Ellsworth, Talisa C (15)
|
ILMMSC |
21:40.22 |
21:48.17 |
7.95 |
| 20 |
LaForme, Hailey R (13)
|
ILMMAC |
|
22:21.81 |
- |
| 21 |
Maces, Melecia L (13)
|
ILFVFY |
|
22:28.32 |
- |
| 22 |
Muhr, Madison E (18)
|
ILEST |
|
22:39.26 |
- |
| 23 |
Denny, Kendall P (10)
|
ILFVFY |
|
24:10.46 |
- |
| 24 |
Redden, Ella L (14)
|
ILRMSC |
|
24:17.46 |
- |