| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Thorp, Helen (15)
|
NESNAP |
1:24.53 |
1:13.44 |
-11.09 |
| 2 |
MacLeod, Angelina M (13)
|
ADUSAM |
1:14.04 |
1:14.85 |
0.81 |
| 3 |
Madhukar, Samya (14)
|
ADALBS |
1:18.41 |
1:15.27 |
-3.14 |
| 4 |
Fontes-Janusz, Dela R (13)
|
ADHAWK |
1:19.85 |
1:18.28 |
-1.57 |
| 5 |
McCarthy, Harper F (13)
|
ADSARY |
1:24.36 |
1:19.58 |
-4.78 |
| 6 |
McIntyre, Mary J (13)
|
ADHAWK |
1:26.41 |
1:20.94 |
-5.47 |
| 7 |
Grogan, Alyssa R (15)
|
ADALBS |
|
1:23.59 |
- |
| 8 |
Farrell, Macayla M (13)
|
ADALBS |
1:28.77 |
1:24.94 |
-3.83 |
| 9 |
Williams, Isabella R (13)
|
ADALBS |
1:26.98 |
1:25.76 |
-1.22 |
| 10 |
Turan, Isabelle R (16)
|
ADUSAM |
1:26.89 |
1:26.75 |
-0.14 |
| 11 |
Fleury-Belman, Mirabelle (13)
|
NESNAP |
1:35.62 |
1:36.33 |
0.71 |
| 12 |
Belfield, Elysia M (13)
|
ADHAWK |
1:49.03 |
1:44.01 |
-5.02 |
|
Laurie, Josephine S (13)
|
ADHAWK |
1:05.90 |
NS |
- |
|
Dunbar, May R (13)
|
ADUSAM |
1:26.70 |
NS |
- |