| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Thoms, Julia D (12)
|
MRLIE |
1:03.84 |
1:02.89 |
-0.95 |
| 2 |
Rasquinha, Rhea D (12)
|
MRLIE |
1:04.01 |
1:04.52 |
0.51 |
| 3 |
Pompay, Arabella F (11)
|
MRLIE |
1:05.56 |
1:04.84 |
-0.72 |
| 4 |
O'Connell, Siobhan B (11)
|
MRLIE |
1:09.73 |
1:08.95 |
-0.78 |
| 5 |
Hou, Isabelle (12)
|
MRLIE |
1:15.84 |
1:10.09 |
-5.75 |
| 6 |
Fazzino, Angelina M (12)
|
MRLIE |
1:11.41 |
1:11.07 |
-0.34 |
| 7 |
Ferrick, Maggie R (12)
|
MRLIE |
1:18.04 |
1:14.23 |
-3.81 |
| 8 |
O'Brien, Amanda M (11)
|
MRLIE |
1:20.48 |
1:18.82 |
-1.66 |
| 9 |
Filagrossi, Isabella (12)
|
MRLIE |
|
1:20.13 |
- |
| 10 |
Nothnagle, Alexa G (11)
|
MRLIE |
1:23.08 |
1:20.72 |
-2.36 |
| 11 |
Fuoco, Kaitlyn E (11)
|
MRLIE |
|
1:27.40 |
- |
| 12 |
Schultz, Sarah J (12)
|
MRLIE |
|
1:28.40 |
- |
| 13 |
Vlogianitis, Nefeli (12)
|
MRLIE |
|
1:30.12 |
- |
| 14 |
Seibold, Morgan S (11)
|
MRLIE |
|
1:34.11 |
- |
| 15 |
Butler, Shannon E (11)
|
MRLIE |
1:31.52 |
1:36.44 |
4.92 |
| 16 |
Johnson, Zara C (11)
|
MRLIE |
|
1:41.08 |
- |