| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Lambert, Deirdre E (8)
|
PVPM |
44.02 |
42.99 |
-1.03 |
| 2 |
Misantone, Marjorie E (8)
|
PVYORK |
47.95 |
46.44 |
-1.51 |
| 3 |
Hanik, Bailey A (8)
|
PVFXFX |
|
46.82 |
- |
| 4 |
Akana, Monroe (8)
|
PVMACH |
|
47.38 |
- |
| 5 |
Jasinski, Margaret D (8)
|
PVFXFX |
|
47.84 |
- |
| 6 |
Cocker, Claire L (8)
|
PVYORK |
|
48.20 |
- |
| 7 |
Hamblet, Evelyn P (8)
|
PVSDS |
|
50.86 |
- |
| 8 |
Kibsey, Veronika L (7)
|
PVMACH |
54.38 |
51.90 |
-2.48 |
| 9 |
Fahle, Gryffin M (8)
|
PVYORK |
|
52.67 |
- |
| 10 |
Liu, Olivia L (8)
|
PVPM |
53.48 |
55.30 |
1.82 |
| 11 |
Richardson, Annica M (8)
|
PVYORK |
|
57.13 |
- |
| 12 |
Kent, Emily D (7)
|
PVPM |
|
1:07.78 |
- |
| 13 |
Herischi, Sophie (8)
|
PVSDS |
|
1:09.67 |
- |
| 14 |
Asfura, Victoria C (8)
|
PVSDS |
1:20.20 |
1:12.05 |
-8.15 |
|
Hiscock, Eleanor G (8)
|
PVSDS |
55.61 |
DQ |
- |
|
Dhaliwal, Noreen K (8)
|
PVYORK |
|
DQ |
- |
|
Mamillapalli, Ruthvika S (7)
|
PVMACH |
52.56 |
NS |
- |
|
VanLandingham, Cecelia M (8)
|
PVMAKO |
|
NS |
- |
|
Cunneen, Julia M (7)
|
PVPM |
|
NS |
- |
|
Evankovich, Avery A (8)
|
PVPM |
|
NS |
- |
|
Antoniuk, Fiona (8)
|
PVMACH |
|
NS |
- |