| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
MacLeod, Angelina M (14)
|
ADUSAM |
1:20.18 |
1:25.76 |
5.58 |
| 2 |
Deal, Grace A (14)
|
ADCLIN |
1:28.91 |
1:29.20 |
0.29 |
| 3 |
Antolick, Ellen R (14)
|
ADALBS |
1:24.47 |
1:31.54 |
7.07 |
| 4 |
Yafayeva, Roxana Z (15)
|
ADALBS |
1:28.94 |
1:36.40 |
7.46 |
| 5 |
Ball, Ana A (15)
|
ADALBS |
1:28.67 |
1:39.00 |
10.33 |
| 6 |
Splendido, Lily K (15)
|
ADALBS |
1:34.44 |
1:39.63 |
5.19 |
| 7 |
Madhukar, Samya (15)
|
ADALBS |
1:37.80 |
1:39.90 |
2.10 |
| 8 |
Guilmette, Anna E (15)
|
ADALBS |
1:40.81 |
1:42.50 |
1.69 |
| 9 |
Villaume, Emma F (14)
|
ADALBS |
1:39.38 |
1:43.24 |
3.86 |
| 10 |
Grogan, Alyssa R (15)
|
ADALBS |
1:34.63 |
1:45.53 |
10.90 |
| 11 |
Smoote-Keeler, Isabella C (14)
|
ADALBS |
1:54.70 |
1:53.22 |
-1.48 |
|
Ejanda, Francine Charisse A (15)
|
ADALBS |
1:35.96 |
NS |
- |