| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Kim, Karis E (13)
|
MAGAAC |
1:10.15 |
1:07.76 |
-2.39 |
| 1 |
Dinnocenti, Jennifer J (13)
|
MAUN |
|
1:09.20 |
- |
| 2 |
Goldberg, Leah (14)
|
MAUDAC |
1:10.57 |
1:08.75 |
-1.82 |
| 2 |
Ruckelshaus, Meredith (13)
|
MAPVAC |
1:14.82 |
1:10.48 |
-4.34 |
| 3 |
Donnelly, Brigid (13)
|
MALCY |
1:09.01 |
1:09.55 |
0.54 |
| 3 |
Weiss, Julia (13)
|
MAUDAC |
1:13.23 |
1:11.09 |
-2.14 |
| 4 |
Marano, Alyssa D (13)
|
MAPVAC |
1:13.51 |
1:11.33 |
-2.18 |
| 5 |
Persaud, Sasha (13)
|
MAPFY |
1:14.91 |
1:11.69 |
-3.22 |
| 6 |
Kramer, Nina E (13)
|
MALAC |
1:17.84 |
1:16.42 |
-1.42 |
| 7 |
Koloseike, Claire E (13)
|
MALCY |
|
1:19.28 |
- |
| 8 |
Cheifetz, Samara I (14)
|
MAUDAC |
1:19.78 |
1:19.92 |
0.14 |
| 9 |
Newman, Bailey (14)
|
MAPVAC |
1:22.54 |
1:20.15 |
-2.39 |
| 10 |
Franzo, Elizabeth A (14)
|
MAPFY |
1:15.74 |
1:22.31 |
6.57 |
| 11 |
Poveromo, Savannah L (13)
|
MAPFY |
|
1:24.21 |
- |
| 12 |
Brown, Katherine A (13)
|
MACHEL |
1:43.77 |
1:26.47 |
-17.30 |
|
Halsey, Emma C (13)
|
MAUN |
|
NS |
- |
|
Cleveland, Riley C (14)
|
MALCY |
1:19.59 |
NS |
- |
|
McHugh, Bridget K (14)
|
MACHEL |
1:17.13 |
NS |
- |
|
Davis, Margaret (14)
|
MACHEL |
1:23.43 |
NS |
- |