| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Burger, Laura K (8)
|
MRNDAC |
52.13 |
52.04 |
-0.09 |
| 2 |
Cefaloni, Gabriella J (8)
|
MRAG |
58.43 |
56.44 |
-1.99 |
| 3 |
Gregersen, Leah (8)
|
MRRA |
1:01.00 |
56.59 |
-4.41 |
| 4 |
Calone, Emilia R (7)
|
MRMWDA |
1:03.99 |
56.89 |
-7.10 |
| 5 |
Benjamin, Mia (8)
|
MRRA |
59.80 |
58.46 |
-1.34 |
| 6 |
Kortbus, Nina T (8)
|
MRNDAC |
1:01.25 |
1:00.48 |
-0.77 |
| 7 |
Prior, Kate E (8)
|
MRDVWM |
1:10.89 |
1:01.44 |
-9.45 |
| 8 |
Sheerin, Leah E (8)
|
MRMWDA |
1:02.49 |
1:01.72 |
-0.77 |
| 9 |
Ramkissoon, Kalyani A (8)
|
MRYBAR |
1:22.60 |
1:14.31 |
-8.29 |
| 10 |
Schwarz, Juliet B (6)
|
MRAG |
1:30.43 |
1:29.68 |
-0.75 |
|
De La Rosa, Angelina (8)
|
MRMWDA |
1:30.99 |
DQ |
- |
|
Blazek, Amelia R (7)
|
MRNDAC |
1:42.46 |
DQ |
- |
|
Makebish, Ailyah M (8)
|
MRNDAC |
1:02.31 |
DQ |
- |