| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Cuneo, Esther L (16)
|
NEEDGE |
1:18.98 |
1:19.60 |
0.62 |
| 2 |
Houseman, Isabelle L (16)
|
NENSSC |
1:27.97 |
1:26.25 |
-1.72 |
| 3 |
Rojas, Sofia (15)
|
NEAA |
1:23.97 |
1:27.83 |
3.86 |
| 4 |
Trudeau, Arden J (16)
|
NENSSC |
|
1:28.49 |
- |
| 5 |
Worth, Amelia J (17)
|
NEEDGE |
1:33.11 |
1:29.92 |
-3.19 |
| 6 |
Weppler, Claire D (15)
|
NEPVAA |
1:29.29 |
1:31.12 |
1.83 |
| 7 |
Gladstone, Rose L (18)
|
NEEDGE |
1:34.48 |
1:32.26 |
-2.22 |
| 8 |
Donta-Venman, Aurora L (15)
|
NEONE |
1:33.03 |
1:33.55 |
0.52 |
| 9 |
Riley, Amanda M (15)
|
NEPVAA |
1:24.13 |
1:33.75 |
9.62 |
| 10 |
Warzybok, Karoline (17)
|
NEHYV |
1:27.99 |
1:33.94 |
5.95 |
| 11 |
Krawiecki, Vivian R (15)
|
NECRIM |
1:35.64 |
1:34.95 |
-0.69 |
| 12 |
Frazier, Eva C (17)
|
NEEDGE |
1:33.42 |
1:35.37 |
1.95 |
| 13 |
Lowe, Oceania E (15)
|
NECRIM |
1:48.39 |
1:35.57 |
-12.82 |
| 14 |
Winberg, Elizabeth A (18)
|
NEHYV |
1:38.09 |
1:35.99 |
-2.10 |
| 15 |
Assamoi, Whitney H (16)
|
NEICMY |
1:39.32 |
1:42.18 |
2.86 |
| 16 |
Brunette, Miranda P (17)
|
NEHYV |
1:47.99 |
1:48.06 |
0.07 |
| 17 |
Yuzych, Yana V (16)
|
NEHYV |
1:43.99 |
1:50.18 |
6.19 |
| 18 |
Pacheco, Felicia L (15)
|
NEPVAA |
2:05.32 |
2:03.15 |
-2.17 |