| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Nieckula, Ariyana E (13)
|
ILFVFY |
1:14.56 |
1:14.07 |
-0.49 |
| 2 |
Esparza, Ruby K (13)
|
ILRAYS |
1:19.48 |
1:17.45 |
-2.03 |
| 3 |
Cork, Sophia K (14)
|
ILDCST |
1:26.81 |
1:27.32 |
0.51 |
| 4 |
Kirkpatrick, Isabella C (14)
|
ILKKEE |
1:25.34 |
1:28.30 |
2.96 |
| 5 |
Swedrock, Delilah A (14)
|
ILDCST |
1:35.40 |
1:29.01 |
-6.39 |
| 6 |
Fulbright, Olivia (13)
|
ILRAYS |
|
1:30.37 |
- |
| 7 |
Hall, Ana L (14)
|
ILDCST |
1:29.93 |
1:31.52 |
1.59 |
| 8 |
Brosseau, Ashlyn R (11)
|
ILKKEE |
1:39.91 |
1:33.24 |
-6.67 |
| 9 |
Thor, Peyton S (14)
|
ILRAYS |
1:25.08 |
1:33.48 |
8.40 |
| 10 |
Bloyd, Emma A (13)
|
ILDCST |
1:31.49 |
1:34.39 |
2.90 |
| 11 |
Maces, Melecia L (13)
|
ILFVFY |
1:30.54 |
1:34.51 |
3.97 |
| 12 |
Schoenfielder, Isabella G (13)
|
ILFVFY |
1:34.62 |
1:34.57 |
-0.05 |
| 13 |
Kocjan, Alissa S (13)
|
ILDCST |
1:31.93 |
1:34.58 |
2.65 |
| 14 |
Neumann, Madison D (13)
|
ILRAYS |
1:36.54 |
1:35.74 |
-0.80 |
| 15 |
Norton, Samara (14)
|
ILRAYS |
1:34.59 |
1:35.99 |
1.40 |
| 16 |
Baltes, Eileen L (13)
|
ILFVFY |
1:47.52 |
1:40.80 |
-6.72 |
| 17 |
Lyons, Arabella R (13)
|
ILFVFY |
1:41.24 |
1:41.25 |
0.01 |
| 18 |
Dato, Aamira R (13)
|
ILKKEE |
1:43.47 |
1:41.73 |
-1.74 |
| 19 |
Butzow, Rebekah R (13)
|
ILDCST |
1:41.85 |
1:42.95 |
1.10 |
| 20 |
Schultz, Victoria E (13)
|
ILFVFY |
1:43.19 |
1:44.86 |
1.67 |
| 21 |
Jordan, Bernadette M (13)
|
ILFVFY |
1:59.89 |
1:52.78 |
-7.11 |