| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Ramkissoon, Amiya M (8)
|
MRYBAR |
41.15 |
37.67 |
-3.48 |
| 2 |
Finnerty, Katherine J (8)
|
MRAG |
47.14 |
38.31 |
-8.83 |
| 3 |
Kropp, Kyla A (8)
|
MRYBAR |
|
41.66 |
- |
| 4 |
Regenauer, Magdalena G (8)
|
MRWSSC |
46.73 |
45.66 |
-1.07 |
| 5 |
Mathews, Abigail (8)
|
MRDA |
|
45.99 |
- |
| 6 |
Buchen, Matilda V (7)
|
MRIA |
1:00.00 |
46.77 |
-13.23 |
| 7 |
Mastandrea, Amanda (8)
|
MRMVA |
54.81 |
47.75 |
-7.06 |
| 8 |
Kline, Madeline A (8)
|
MRWSSC |
47.84 |
54.69 |
6.85 |
| 9 |
O'Brien, Emily J (7)
|
MRMWSC |
1:05.52 |
54.75 |
-10.77 |
|
Sarpong, Afia (8)
|
MRDA |
45.70 |
NS |
- |
|
McKenna, Grace A (7)
|
MRMWSC |
1:05.56 |
NS |
- |