| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Williams, Jessi H (14)
|
ILSAGE |
1:13.67 |
1:17.63 |
3.96 |
| 2 |
Gonzales, Sophia L (14)
|
ILFVFY |
1:19.78 |
1:20.18 |
0.40 |
| 3 |
Noftz, Evangeline S (13)
|
ILSAGE |
1:18.61 |
1:20.65 |
2.04 |
| 4 |
Fernandez, Andrea I (12)
|
ILSAGE |
1:20.38 |
1:21.00 |
0.62 |
| 5 |
Tomaszewski, Kaitlyn G (11)
|
ILSAGE |
1:29.95 |
1:24.83 |
-5.12 |
| 6 |
Machesky, Abby R (13)
|
ILSAGE |
1:26.67 |
1:26.33 |
-0.34 |
| 7 |
Gehant, Esabella (12)
|
ILBVDY |
1:31.07 |
1:33.63 |
2.56 |
| 8 |
Guglielmetti, Clara G (13)
|
ILVY |
1:44.08 |
1:41.68 |
-2.40 |
| 9 |
Mitchell, Taylor P (13)
|
ILBVDY |
|
1:46.66 |
- |
| 10 |
Zurinski, Cecilia M (14)
|
ILVY |
1:48.28 |
1:52.69 |
4.41 |
| 11 |
Davis, Maya G (12)
|
ILSAGE |
|
2:01.67 |
- |
| 12 |
Bown, Charlotte A (11)
|
ILBVDY |
|
2:18.76 |
- |
|
Salzbrunn, Chloe L (13)
|
ILFVFY |
1:33.47 |
NS |
- |