| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Bardak, Emily E (17)
|
MRTVSC |
52.27 |
54.69 |
2.42 |
| 2 |
Sommerstad, Kyra A (15)
|
MRTVSC |
52.94 |
55.77 |
2.83 |
| 3 |
Clancy, Kiersten P (16)
|
MRTVSC |
56.02 |
1:00.31 |
4.29 |
| 4 |
Pereira, Ashley M (17)
|
MRLIE |
57.85 |
1:01.16 |
3.31 |
| 5 |
Bogdanski, Victoria H (17)
|
MRTVSC |
58.62 |
1:01.50 |
2.88 |
| 6 |
Rommeney, Rachel (15)
|
MRCSDC |
1:04.37 |
1:02.73 |
-1.64 |
| 7 |
Alvarez, Stephanie R (17)
|
MRTVSC |
1:01.14 |
1:03.12 |
1.98 |
| 8 |
Lettieri, Emma (15)
|
MRCSDC |
1:01.36 |
1:04.62 |
3.26 |
| 9 |
Edmonds, Gracie R (15)
|
MRCSDC |
1:01.62 |
1:05.54 |
3.92 |
| 10 |
Chernik, Alannah R (15)
|
MRCSDC |
1:01.22 |
1:06.99 |
5.77 |
| 11 |
Kohlus, Julianna P (16)
|
MRTVSC |
1:08.62 |
1:07.00 |
-1.62 |
| 12 |
Priola, Kate (15)
|
MRCSDC |
1:06.81 |
1:08.57 |
1.76 |
|
Lettieri, Samantha H (17)
|
MRCSDC |
1:00.82 |
NS |
- |