| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
La Pietra, Sabina S (8)
|
FGAZFL |
48.12 |
42.92 |
-5.20 |
| 2 |
Rilo, Athena (8)
|
FGSUN |
50.55 |
49.19 |
-1.36 |
| 3 |
Baldwin, Jemma E (8)
|
FGSOFL |
51.95 |
49.70 |
-2.25 |
| 4 |
Milevska, Eva (7)
|
FGAZFL |
52.16 |
51.36 |
-0.80 |
| 5 |
Mirones, Lilliana M (8)
|
FGSUN |
52.78 |
51.89 |
-0.89 |
| 6 |
Evans, Jordan C (7)
|
FGSOFL |
51.65 |
52.30 |
0.65 |
| 7 |
Jorgensen, Kierstyn E (8)
|
FGSUN |
57.26 |
52.62 |
-4.64 |
| 8 |
La Pietra, Wendy G (6)
|
FGAZFL |
59.64 |
53.04 |
-6.60 |
| 9 |
Robinson, Aanya M (8)
|
FGSOFL |
55.42 |
53.94 |
-1.48 |
| 10 |
Svensson, Freja I (8)
|
FGSFTL |
|
59.34 |
- |
| 11 |
Rodriguez Walker, Vanessa L (8)
|
FGCSSC |
1:05.42 |
59.82 |
-5.60 |
| 12 |
Royalty, Cherill L (7)
|
FGSOFL |
|
1:00.47 |
- |
| 13 |
Hillebert, Emma R (8)
|
FGCCPR |
1:07.09 |
1:00.63 |
-6.46 |
| 14 |
El Chantiry, Isla M (7)
|
FGCSSC |
1:06.52 |
1:01.97 |
-4.55 |
| 15 |
Poitier, Amyrah (8)
|
FGUN-T |
1:12.39 |
1:02.30 |
-10.09 |
| 16 |
Jean-Baptiste, Daneika (7)
|
FGSUN |
|
1:04.63 |
- |
| 17 |
Valdiviezo, Joanna R (7)
|
FGSF |
1:10.89 |
1:06.92 |
-3.97 |
| 18 |
Jorge, Kayla (8)
|
FGCSSC |
1:06.97 |
1:07.12 |
0.15 |
| 19 |
Zheng, Elaine L (8)
|
FGAZFL |
1:13.98 |
1:12.62 |
-1.36 |
| 20 |
Melius, Angelina M (8)
|
FGHAFL |
|
1:29.59 |
- |
|
Sandoval, Maria D (7)
|
FGTSA |
|
DQ |
- |