| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Crowther, Natalie J (10)
|
PVPM |
44.23 |
44.26 |
0.03 |
| 1 |
Gines, Victoria L (9)
|
PVPM |
49.96 |
49.78 |
-0.18 |
| 2 |
Beck, Elizabeth L (10)
|
PVPM |
47.32 |
47.77 |
0.45 |
| 2 |
Penetrante, Leia M (10)
|
PVPM |
53.09 |
53.28 |
0.19 |
| 3 |
Andress, Charlotte M (10)
|
PVPM |
|
52.42 |
- |
| 3 |
Cinotti, Emaline J (10)
|
PVPM |
56.57 |
54.05 |
-2.52 |
| 4 |
Cutts, Catherine L (10)
|
PVPM |
57.96 |
53.17 |
-4.79 |
| 4 |
Rice, Lily D (9)
|
PVPM |
56.83 |
55.42 |
-1.41 |
| 5 |
Emery, Marlo C (9)
|
PVPM |
52.09 |
54.02 |
1.93 |
| 5 |
Alvarado-Gallego, Mariana (10)
|
PVPM |
|
58.28 |
- |
| 6 |
Alessi, Corinne E (9)
|
PVPM |
1:00.46 |
1:00.92 |
0.46 |
| 6 |
Mancari, Emerson K (9)
|
PVPM |
|
55.05 |
- |
| 7 |
Maldarelli, Emma K (10)
|
PVPM |
|
55.29 |
- |
| 8 |
Weingart, Mara J (10)
|
PVPM |
57.94 |
56.53 |
-1.41 |
| 9 |
Ahern, Quinn A (9)
|
PVFBST |
56.55 |
56.92 |
0.37 |
| 10 |
Little, Eva G (9)
|
PVFBST |
1:05.48 |
58.51 |
-6.97 |
|
Don, Audrey H (9)
|
PVPM |
|
DQ |
- |
|
Evans, Melinda E (9)
|
PVPM |
54.56 |
NS |
- |
|
Townsend, Caitlin D (9)
|
PVPM |
|
NS |
- |