| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Baldwin, Jemma E (8)
|
FGSOFL |
44.73 |
40.21 |
-4.52 |
| 2 |
La Pietra, Sabina S (8)
|
FGAZFL |
45.09 |
40.95 |
-4.14 |
| 3 |
La Pietra, Wendy G (6)
|
FGAZFL |
51.75 |
41.57 |
-10.18 |
| 4 |
Royalty, Cherill L (7)
|
FGSOFL |
48.64 |
45.71 |
-2.93 |
| 5 |
Rilo, Athena (8)
|
FGSUN |
44.81 |
46.22 |
1.41 |
| 6 |
Milevska, Eva (7)
|
FGAZFL |
44.59 |
47.77 |
3.18 |
| 7 |
Martin, Gianna S (8)
|
FGSOFL |
56.15 |
47.89 |
-8.26 |
| 8 |
St. Hilaire, Zahnajai (8)
|
FGSFTL |
49.90 |
49.46 |
-0.44 |
| 9 |
Mirones, Lilliana M (8)
|
FGSUN |
53.33 |
49.73 |
-3.60 |
| 10 |
Jorgensen, Kierstyn E (8)
|
FGSUN |
54.19 |
49.84 |
-4.35 |
| 11 |
Robinson, Aanya M (8)
|
FGSOFL |
53.60 |
52.20 |
-1.40 |
| 12 |
Jean-Baptiste, Daneika (7)
|
FGSUN |
|
58.03 |
- |
| 13 |
Ordonez, Valentina A (8)
|
FGTSA |
|
1:00.29 |
- |
| 14 |
Zheng, Elaine L (8)
|
FGAZFL |
|
1:00.97 |
- |
| 15 |
Rodriguez Walker, Vanessa L (8)
|
FGCSSC |
|
1:01.43 |
- |
| 16 |
El Chantiry, Isla M (7)
|
FGCSSC |
58.75 |
1:01.51 |
2.76 |
| 17 |
Svensson, Freja I (8)
|
FGSFTL |
|
1:04.31 |
- |
| 18 |
Melius, Angelina M (8)
|
FGHAFL |
|
1:09.67 |
- |
|
Velez, Camila S (8)
|
FGTSA |
|
DQ |
- |
|
Jorge, Kayla (8)
|
FGCSSC |
|
NS |
- |