| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Halsey, Joslin J (12)
|
NEBGSC |
1:06.75 |
1:06.96 |
0.21 |
| 2 |
Richards, Emma H (12)
|
NEBGSC |
1:13.02 |
1:13.16 |
0.14 |
| 3 |
Newbern, Isabel R (12)
|
NEBGSC |
1:15.45 |
1:16.90 |
1.45 |
| 4 |
Craft, Lydia A (11)
|
NEUN |
1:18.52 |
1:17.28 |
-1.24 |
| 5 |
Edwards, Maya V (12)
|
NEICMY |
1:15.08 |
1:17.29 |
2.21 |
| 6 |
Wienert, Vivien L (11)
|
NEBGSC |
1:15.01 |
1:17.64 |
2.63 |
| 7 |
Finkley, Leah S (12)
|
NEICMY |
1:16.29 |
1:17.73 |
1.44 |
| 8 |
Rogers, Emily M (12)
|
NEACES |
1:18.81 |
1:18.58 |
-0.23 |
| 9 |
Zhang, Victoria J (12)
|
NEBGSC |
1:13.72 |
1:18.71 |
4.99 |
| 10 |
Coleman, Gabrielle G (12)
|
NEDHH |
1:19.20 |
1:19.53 |
0.33 |
| 11 |
Song, Chloe H (11)
|
NEBGSC |
1:19.52 |
1:19.77 |
0.25 |
| 12 |
Vernot, Daniela V (11)
|
NEICMY |
1:20.78 |
1:20.10 |
-0.68 |
| 13 |
Callahan, Sara V (11)
|
NESSC |
1:18.41 |
1:21.69 |
3.28 |
| 14 |
Gregor, Liesel C (11)
|
NERAYS |
|
1:22.42 |
- |
| 15 |
Agbonjiazoe, Annadelle O (12)
|
NEICMY |
1:26.80 |
1:24.95 |
-1.85 |
| 16 |
Graeter, Megan E (11)
|
NEBGSC |
1:20.99 |
1:25.78 |
4.79 |
| 17 |
Nelson, Sadie F (11)
|
NEBGSC |
1:31.50 |
1:25.95 |
-5.55 |
| 18 |
Lee, Atina N (12)
|
NEDHH |
1:30.32 |
1:27.99 |
-2.33 |
| 19 |
Ellison, Abigail V (11)
|
NEBGSC |
1:29.57 |
1:28.32 |
-1.25 |
| 20 |
Rivera, Deylin Y (11)
|
NEICMY |
1:29.32 |
DQ |
- |
| 21 |
Haverly, Felice I (11)
|
NEICMY |
1:25.41 |
1:34.33 |
8.92 |
| 22 |
Burns, Sydney G (12)
|
NESSC |
|
1:37.01 |
- |
| 23 |
Ravanales, Mikaela A (11)
|
NEDOGS |
|
1:39.80 |
- |
| 24 |
Pino, Laila R (11)
|
NERAYS |
1:41.72 |
1:42.58 |
0.86 |
| 25 |
Kiang, Carolina G (11)
|
NEBGSC |
1:43.08 |
1:43.79 |
0.71 |
| 26 |
Gali, Samara (11)
|
NEBGSC |
1:44.25 |
1:46.48 |
2.23 |
| 27 |
Foulkes, Ella A (12)
|
NEBGSC |
1:46.26 |
1:46.92 |
0.66 |
| 28 |
Savage, McKenna E (12)
|
NEDOGS |
|
1:48.81 |
- |