| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
MacLeod, Angelina M (14)
|
ADUSAM |
1:20.34 |
1:16.41 |
-3.93 |
| 2 |
Yafayeva, Roxana Z (15)
|
ADALBS |
1:19.45 |
1:19.15 |
-0.30 |
| 3 |
Deal, Grace A (14)
|
ADCLIN |
1:20.65 |
1:20.79 |
0.14 |
| 4 |
Guilmette, Anna E (15)
|
ADALBS |
1:26.48 |
1:24.54 |
-1.94 |
| 5 |
Splendido, Lily K (15)
|
ADALBS |
1:21.25 |
1:24.89 |
3.64 |
| 6 |
Ball, Ana A (15)
|
ADALBS |
1:20.94 |
1:24.94 |
4.00 |
| 7 |
Sliper, Kaylee P (15)
|
ADSCHE |
1:27.20 |
1:26.17 |
-1.03 |
| 8 |
Antolick, Ellen R (14)
|
ADALBS |
1:37.15 |
1:27.05 |
-10.10 |
| 9 |
Ejanda, Francine Charisse A (15)
|
ADALBS |
|
1:27.28 |
- |
| 10 |
Villaume, Emma F (14)
|
ADALBS |
1:32.02 |
1:29.13 |
-2.89 |
| 11 |
Madhukar, Samya (15)
|
ADALBS |
|
1:31.38 |
- |
| 12 |
Smoote-Keeler, Isabella C (14)
|
ADALBS |
1:51.81 |
1:36.94 |
-14.87 |
| 13 |
Grogan, Alyssa R (15)
|
ADALBS |
2:01.64 |
1:37.75 |
-23.89 |