| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Harpootlian, Leah C (8)
|
ADCPP |
54.51 |
54.06 |
-0.45 |
| 2 |
Ramani, Akshaya K (8)
|
ADCPP |
55.04 |
54.43 |
-0.61 |
| 3 |
Price, Sarah R (8)
|
ADSCHE |
59.54 |
54.46 |
-5.08 |
| 4 |
Allinson, Jane M (8)
|
ADDELM |
52.12 |
55.52 |
3.40 |
| 5 |
Strickler, Carolyn M (8)
|
ADSCHE |
|
1:00.52 |
- |
| 6 |
Hou, Irena Y (7)
|
ADDELM |
1:08.65 |
1:04.56 |
-4.09 |
| 7 |
Lewis, Delilah G (8)
|
ADDELM |
|
1:04.84 |
- |
| 8 |
Moore, Grace F (7)
|
ADDELM |
|
1:19.99 |
- |
| 9 |
Nowitzki, Amy L (7)
|
ADTAC |
|
1:21.20 |
- |
| 10 |
Perez, Eva L (7)
|
ADBFIN |
|
1:25.03 |
- |
|
Goetz, Giuliana A (7)
|
ADBFIN |
|
DQ |
- |
|
Matte, Bailey P (8)
|
ADGLFY |
1:17.30 |
DQ |
- |
|
Ruff, Mikaella K (8)
|
ADALBS |
59.61 |
NS |
- |
|
Polomsky, Alexandra E (8)
|
ADDELM |
|
NS |
- |