| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Nieto, Bianca G (10)
|
FGCM |
1:16.83 |
1:17.09 |
0.26 |
| 2 |
Catalasan, Mariann O (10)
|
FGSOFL |
1:28.37 |
1:23.91 |
-4.46 |
| 3 |
Andres, Reese C (10)
|
FGBEST |
1:27.44 |
1:24.60 |
-2.84 |
| 4 |
Sibug, Natalia K (10)
|
FGSOFL |
1:32.52 |
1:25.30 |
-7.22 |
| 5 |
Meyer, Camryn E (10)
|
FGTSA |
1:23.69 |
1:25.69 |
2.00 |
| 6 |
Albo, Valentina F (10)
|
FGPCS |
1:30.65 |
1:26.79 |
-3.86 |
| 7 |
Nelson, Olivia G (10)
|
FGNPB |
1:28.57 |
1:26.85 |
-1.72 |
| 8 |
Thurston, Harper (9)
|
FGNPB |
1:30.05 |
1:27.02 |
-3.03 |
| 9 |
Sargent, Abbie E (10)
|
FGFKSC |
1:21.74 |
1:27.39 |
5.65 |
| 10 |
Acosta, Carolina (10)
|
FGGRSC |
1:25.73 |
1:27.58 |
1.85 |
| 11 |
Musiello, Giovanna P (10)
|
FGGRSC |
1:28.55 |
1:27.64 |
-0.91 |
| 12 |
Colman, Madison (10)
|
FGBRST |
1:30.84 |
1:28.60 |
-2.24 |
| 13 |
Santos, Abigail I (9)
|
FGSFTL |
1:32.68 |
1:28.89 |
-3.79 |
| 14 |
Gedeon, Anais J (9)
|
FGMSA |
1:30.71 |
1:29.39 |
-1.32 |
| 15 |
Avila, Alexa (10)
|
FGBMHG |
1:31.36 |
1:29.44 |
-1.92 |
| 16 |
Levin, Sara (10)
|
FGSF |
1:33.32 |
1:29.70 |
-3.62 |
| 17 |
Pelayes, Mercedes (10)
|
FGSDST |
1:32.66 |
1:29.88 |
-2.78 |
| 18 |
Rock, Julia B (10)
|
FGHAT |
1:30.39 |
1:30.08 |
-0.31 |
| 19 |
Deluna, Gabriella (10)
|
FGYSF |
1:33.44 |
1:30.99 |
-2.45 |
| 20 |
Rosenthal, Reese E (10)
|
FGGRSC |
1:27.42 |
1:31.19 |
3.77 |
| 21 |
Schoenborn, Samantha B (9)
|
FGCSSC |
1:33.22 |
1:31.41 |
-1.81 |
| 22 |
Mogul, Iris I (10)
|
FGCANE |
1:31.19 |
1:31.57 |
0.38 |
| 23 |
Mirones, Cecilia (10)
|
FGSUN |
1:32.24 |
1:32.06 |
-0.18 |
| 24 |
Cadavid, Nicole N (10)
|
FGUN |
1:33.40 |
1:32.21 |
-1.19 |
| 25 |
Negrin, Paola (9)
|
FGFFSC |
1:29.41 |
1:32.66 |
3.25 |
| 26 |
Buslova, Polina (10)
|
FGECAC |
1:31.61 |
1:33.14 |
1.53 |
| 27 |
Pace, Laura F (10)
|
FGMART |
1:31.69 |
1:34.42 |
2.73 |
| 28 |
Bell, Julianna M (9)
|
FGNPB |
1:32.45 |
1:35.29 |
2.84 |
| 29 |
Chacon, Emilyanna (10)
|
FGCM |
1:32.03 |
1:38.00 |
5.97 |