| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Pelaez, Erika (10)
|
FGMS |
1:03.45 |
1:01.87 |
-1.58 |
| 2 |
Munna, Kiersten N (10)
|
FGFAST |
1:14.00 |
1:09.79 |
-4.21 |
| 3 |
Kjaerulff, Victoria (10)
|
FGECAC |
1:14.22 |
1:12.03 |
-2.19 |
| 4 |
Deluna, Gabriella (10)
|
FGYSF |
1:14.00 |
1:13.02 |
-0.98 |
| 5 |
Balzano, Gioia R (8)
|
FGMSA |
1:16.53 |
1:14.99 |
-1.54 |
| 6 |
Musiello, Giovanna P (10)
|
FGGRSC |
1:20.11 |
1:16.00 |
-4.11 |
| 7 |
Rotchin, Leorah M (10)
|
FGWOW |
1:19.26 |
1:16.04 |
-3.22 |
| 8 |
Lajko, Lena (9)
|
FGSFTL |
1:18.60 |
1:17.14 |
-1.46 |
| 9 |
Catalasan, Mariann O (10)
|
FGSOFL |
1:19.60 |
1:17.32 |
-2.28 |
| 10 |
Sibug, Natalia K (10)
|
FGSOFL |
1:20.34 |
1:18.46 |
-1.88 |
| 11 |
Macedo, Nicole M (10)
|
FGCM |
1:17.92 |
1:18.72 |
0.80 |
| 12 |
Moreno, Sofia (10)
|
FGGRSC |
1:18.93 |
1:19.02 |
0.09 |
| 13 |
Papadopoulos, Ava (10)
|
FGECAC |
1:20.01 |
1:19.23 |
-0.78 |
| 14 |
Gisonni, Isabella M (10)
|
FGUN |
1:20.30 |
1:20.27 |
-0.03 |
| 15 |
Di Salvo, Fiorella (9)
|
FGSOFL |
1:20.61 |
1:20.74 |
0.13 |
| 16 |
Anton, Sidney (10)
|
FGAZFL |
1:17.58 |
1:21.10 |
3.52 |
| 17 |
Negrin, Paola (9)
|
FGFFSC |
1:20.52 |
1:21.25 |
0.73 |
| 18 |
Jorgensen, Kaitlyn D (10)
|
FGSUN |
1:20.87 |
1:22.39 |
1.52 |
| 19 |
Chacon, Emilyanna (10)
|
FGCM |
1:19.70 |
1:24.27 |
4.57 |