| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Viera, Isabel (10)
|
FGUN-S |
1:11.47 |
1:08.14 |
-3.33 |
| 2 |
Dinehart, Elise I (10)
|
FGSOFL |
1:10.88 |
1:08.52 |
-2.36 |
| 3 |
Lugo, Sofia A (10)
|
FGSOFL |
1:12.53 |
1:09.42 |
-3.11 |
| 4 |
La Pietra, Sabina S (8)
|
FGAZFL |
1:14.77 |
1:09.69 |
-5.08 |
| 5 |
Milevska, Katja (10)
|
FGAZFL |
1:15.18 |
1:11.41 |
-3.77 |
| 6 |
Avila, Sophia A (10)
|
FGSOFL |
1:12.35 |
1:12.58 |
0.23 |
| 7 |
Rhett, Katlyn E (10)
|
FGMWA |
1:11.17 |
1:12.71 |
1.54 |
| 8 |
Paniagua, Salome (10)
|
FGYSF |
1:10.79 |
1:12.93 |
2.14 |
| 9 |
Karachun, Daryna (9)
|
FGYSF |
1:15.05 |
1:13.43 |
-1.62 |
| 10 |
Jurado, Catalina (10)
|
FGHSC |
1:12.11 |
1:13.59 |
1.48 |
| 11 |
Olea, Sofia (10)
|
FGSF |
1:12.33 |
1:13.85 |
1.52 |
| 12 |
Strong, Alexandra M (10)
|
FGSOFL |
1:15.98 |
1:14.62 |
-1.36 |
| 13 |
Perry, Isabella M (10)
|
FGSOFL |
1:15.26 |
1:15.33 |
0.07 |
| 14 |
Gendarmi, Alessandra L (10)
|
FGSOFL |
1:14.99 |
1:16.44 |
1.45 |
| 15 |
Martin, Mikhel N (10)
|
FGSOFL |
1:13.88 |
1:16.55 |
2.67 |
| 16 |
Egea-Guimaaes, Carolina (10)
|
FGGRSC |
1:13.72 |
1:16.82 |
3.10 |
| 17 |
Di Sarno, Nayla F (9)
|
FGMWA |
1:17.31 |
1:17.88 |
0.57 |
| 18 |
Mendoza, Sara M (10)
|
FGYSF |
1:14.84 |
1:20.07 |
5.23 |
|
Baldwin, Jemma E (8)
|
FGSOFL |
1:19.74 |
NS |
- |