| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Hunziker, Macy A (8)
|
ILFFSC |
48.65 |
50.31 |
1.66 |
| 2 |
Aviles, Izabella C (8)
|
ILBNY |
54.96 |
50.52 |
-4.44 |
| 3 |
Dossey, Emily A (8)
|
ILHEAT |
50.59 |
50.65 |
0.06 |
| 4 |
Hendricks, Josephine M (8)
|
ILSPY |
49.76 |
51.36 |
1.60 |
| 5 |
Brady, Paityn M (8)
|
ILBASC |
58.30 |
51.87 |
-6.43 |
| 6 |
Johnson, Karsyn T (8)
|
ILHEAT |
52.91 |
52.01 |
-0.90 |
| 7 |
Schultz, Kiersten L (8)
|
ILYDSC |
57.08 |
56.75 |
-0.33 |
| 8 |
Gast, Sophia R (8)
|
ILPAWW |
57.76 |
57.81 |
0.05 |
| 9 |
Carlton, Willow G (8)
|
ILPAWW |
1:06.59 |
59.34 |
-7.25 |
| 10 |
Perry, Kira C (7)
|
ILYDSC |
59.21 |
59.40 |
0.19 |
| 11 |
Glynn, Reese K (8)
|
ILHEAT |
|
59.93 |
- |
| 12 |
Meier, Kenna R (8)
|
ILSPY |
1:04.98 |
1:00.00 |
-4.98 |
| 13 |
Bird, Penelope J (8)
|
ILHEAT |
57.53 |
1:00.07 |
2.54 |
| 14 |
McKinley, Aaliyah J (7)
|
ILPAWW |
1:06.54 |
1:00.42 |
-6.12 |
| 15 |
Mayrose, Marlena E (8)
|
ILBNY |
|
1:01.73 |
- |
| 16 |
Ruscin, Hannah K (7)
|
ILBASC |
59.99 |
1:02.36 |
2.37 |
| 17 |
Lambert, Ashley N (8)
|
ILFFSC |
1:20.56 |
1:02.93 |
-17.63 |
| 18 |
Klein, Kaydence E (8)
|
ILPAWW |
|
1:04.75 |
- |
| 19 |
Parker, Sierra G (8)
|
ILBNSC |
1:03.11 |
1:05.95 |
2.84 |
| 20 |
Gwinn, Stella C (6)
|
ILHEAT |
|
1:09.08 |
- |
| 21 |
Gerdes, Bethany G (8)
|
ILYDSC |
1:06.35 |
1:11.58 |
5.23 |
| 22 |
Borden, Mallory R (7)
|
ILHEAT |
|
1:11.74 |
- |
| 23 |
Fearday, Rylee L (8)
|
ILHHSC |
|
1:12.36 |
- |
| 24 |
Taulbee, Maria L (8)
|
ILFFSC |
1:35.20 |
1:14.93 |
-20.27 |
| 25 |
Mehn, Sadie A (7)
|
ILFFSC |
1:52.71 |
1:16.13 |
-36.58 |
|
Hopkins-Meyer, Ayla J (7)
|
ILFFSC |
|
DQ |
- |
|
Cork, Elora J (7)
|
ILUNAT |
|
DQ |
- |
|
Gilliland, Addison M (7)
|
ILFFSC |
|
DQ |
- |
|
Gardner, Pippa L (6)
|
ILBASC |
|
DQ |
- |