| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Strahammer, Lauryn O (10)
|
ILGSC |
1:35.70 |
1:32.51 |
-3.19 |
| 2 |
Sun, Nicole Z (10)
|
ILFMC |
1:36.05 |
1:33.29 |
-2.76 |
| 3 |
Walker, Drew M (10)
|
ILFMC |
1:39.75 |
1:34.81 |
-4.94 |
| 4 |
Caicedo, Olivia M (10)
|
ILACAD |
1:41.06 |
1:35.98 |
-5.08 |
| 5 |
Manak, Helen W (9)
|
ILBRRY |
1:39.40 |
1:38.42 |
-0.98 |
| 6 |
Hamilton, Eileen V (10)
|
ILPAWW |
1:38.84 |
1:39.28 |
0.44 |
| 7 |
Patkar, Ananya (10)
|
ILCWAC |
1:27.22 |
1:39.54 |
12.32 |
| 8 |
Dunnett, Riley M (10)
|
ILTIDE |
1:41.04 |
1:39.63 |
-1.41 |
| 9 |
Chandrakasan, Shreya (10)
|
ILPAC |
1:42.89 |
1:40.31 |
-2.58 |
| 10 |
Przekota, Erin A (10)
|
ILGSC |
1:27.62 |
1:40.72 |
13.10 |
| 11 |
Lacoursiere, Mirabelle G (10)
|
ILFOX |
1:41.05 |
1:41.33 |
0.28 |
| 12 |
Allegra, Mia Bella A (10)
|
ILHSC |
1:41.60 |
1:42.56 |
0.96 |
| 13 |
Buhrfiend, Elizabeth R (10)
|
ILFMC |
1:45.37 |
1:42.85 |
-2.52 |
| 14 |
Jennings, Anna M (10)
|
ILFFSC |
1:53.42 |
1:43.81 |
-9.61 |
| 15 |
Petralia, Madisyn A (10)
|
ILFMC |
1:41.87 |
1:43.85 |
1.98 |
| 16 |
Graham, Gabriella R (9)
|
ILACAD |
1:44.93 |
1:47.81 |
2.88 |
| 17 |
Niemiec, Jennifer (10)
|
ILLIFE |
1:46.59 |
1:48.54 |
1.95 |
| 18 |
Fridrych, Tatum L (10)
|
ILFMC |
1:42.27 |
1:48.82 |
6.55 |
| 19 |
Komarova, Anastasia (10)
|
ILRA |
1:52.16 |
1:49.00 |
-3.16 |