| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Howley, Tess O (11)
|
MRLBA |
57.89 |
57.93 |
0.04 |
| 2 |
Dimaria, Jennifer A (12)
|
MRTS |
1:03.19 |
1:01.94 |
-1.25 |
| 3 |
Phelan, Denise G (12)
|
MRTS |
1:04.79 |
1:03.42 |
-1.37 |
| 4 |
Skala, Sarah M (12)
|
MRIA |
1:01.85 |
1:04.64 |
2.79 |
| 5 |
McKee, Yesenia A (12)
|
MRIA |
1:03.61 |
1:05.59 |
1.98 |
| 6 |
Dean, Catherine A (11)
|
MRLBA |
1:08.46 |
1:09.56 |
1.10 |
| 7 |
Ottmann, Kate D (12)
|
MRIA |
1:19.41 |
1:11.13 |
-8.28 |
| 8 |
Levine, Paige H (12)
|
MRSSC |
1:20.13 |
1:11.33 |
-8.80 |
| 9 |
Ramos, Olivia R (12)
|
MRUN-I |
1:13.41 |
1:13.18 |
-0.23 |
| 10 |
Carpentieri, Jordan P (11)
|
MRIA |
1:13.73 |
1:13.25 |
-0.48 |
| 11 |
Sandoval, Hope E (11)
|
MRFA |
1:20.20 |
1:17.87 |
-2.33 |
| 12 |
Horen, Gianna J (11)
|
MRLBA |
1:30.00 |
1:21.28 |
-8.72 |
| 13 |
Werther, Elizabeth S (11)
|
MRLBA |
1:26.85 |
1:21.78 |
-5.07 |
| 14 |
Williamson, Amanda (12)
|
MRSSC |
1:35.00 |
1:27.02 |
-7.98 |
| 15 |
Anaya, Josie K (11)
|
MRLBA |
1:40.00 |
1:30.37 |
-9.63 |