| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Croke, Allison M (13)
|
ADADDI |
1:06.29 |
1:04.48 |
-1.81 |
| 2 |
Marion, Perrin L (13)
|
ADBENN |
1:10.00 |
1:10.16 |
0.16 |
| 3 |
DeCarlo, Danielle M (13)
|
ADCLIN |
1:10.09 |
1:12.71 |
2.62 |
| 4 |
Cyr, Hannah (14)
|
ADBENN |
1:14.13 |
1:13.60 |
-0.53 |
| 5 |
Freytag, Alexandra E (13)
|
ADNHA |
|
1:15.20 |
- |
| 6 |
Roy, Abigail A (14)
|
ADADDI |
1:15.65 |
1:15.70 |
0.05 |
| 7 |
Welch, Victoria L (13)
|
ADJJSC |
1:19.30 |
1:16.16 |
-3.14 |
| 8 |
Ray, Rosa Lee E (13)
|
ADUN |
1:23.50 |
1:16.19 |
-7.31 |
| 9 |
Doucet, Annabelle P (14)
|
ADADDI |
1:17.37 |
1:18.57 |
1.20 |
| 10 |
McShane, Sarah M (13)
|
ADJJSC |
1:21.87 |
1:18.88 |
-2.99 |
| 11 |
Phelan, Morgan A (13)
|
ADSVP |
1:24.71 |
1:19.67 |
-5.04 |
| 12 |
Smith, Taylor A (13)
|
ADAMST |
1:26.36 |
1:20.49 |
-5.87 |
| 13 |
Johnson, Elisabeth Z (13)
|
ADCLIN |
2:05.84 |
1:50.41 |
-15.43 |