| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Bremner, Annabelle G (8)
|
PVPM |
47.87 |
47.25 |
-0.62 |
| 2 |
Yoder, Anna V (8)
|
PVSDS |
48.56 |
47.38 |
-1.18 |
| 3 |
Bartos, Elizabeth J (8)
|
PVSDS |
54.57 |
54.00 |
-0.57 |
| 4 |
McMichael, Emerson A (8)
|
PVMACH |
|
54.13 |
- |
| 5 |
Sayasithsena, Natalia E (8)
|
PVPM |
57.64 |
55.96 |
-1.68 |
| 6 |
Shen, Taylor G (7)
|
PVYORK |
58.14 |
56.48 |
-1.66 |
| 7 |
Elliott, Eilene A (8)
|
PVMACH |
|
57.00 |
- |
| 8 |
Nguyen, Lien J (8)
|
PVPM |
54.78 |
57.34 |
2.56 |
| 9 |
Snow, Reeghan B (8)
|
PVPM |
1:04.42 |
1:02.91 |
-1.51 |
| 10 |
Wang Andera, Susan (8)
|
PVPM |
|
1:03.76 |
- |
| 11 |
Strickland, Virginia B (7)
|
PVPM |
|
1:05.78 |
- |
| 12 |
Yoshizaki, Hikari E (8)
|
PVYORK |
|
1:06.99 |
- |
| 13 |
Benisch, Ela R (7)
|
PVYORK |
|
1:08.01 |
- |
| 14 |
Zochowski, Sylvie E (7)
|
PVYORK |
1:12.51 |
1:13.64 |
1.13 |
|
Catan, Amaia C (8)
|
PVSDS |
|
NS |
- |
|
Delacourt, Isabel J (8)
|
PVYORK |
1:00.95 |
NS |
- |