| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Pelaez, Erika (10)
|
FGMS |
32.45 |
32.03 |
-0.42 |
| 2 |
Lajko, Lena (9)
|
FGSFTL |
44.23 |
39.59 |
-4.64 |
| 3 |
Rosenthal, Reese E (10)
|
FGGRSC |
40.07 |
39.64 |
-0.43 |
| 4 |
Macedo, Nicole M (10)
|
FGUN |
46.57 |
39.71 |
-6.86 |
| 5 |
Musiello, Giovanna P (10)
|
FGGRSC |
39.31 |
40.52 |
1.21 |
| 6 |
Wood, Elyse A (10)
|
FGGRSC |
40.67 |
41.65 |
0.98 |
| 7 |
Porven, Giada I (9)
|
FGSOFL |
44.75 |
42.19 |
-2.56 |
| 8 |
Mendez, Miranda (10)
|
FGMACM |
45.57 |
44.79 |
-0.78 |
| 9 |
Smutny, Lydia M (8)
|
FGAKS |
|
46.70 |
- |
| 10 |
Idler, Sahara (9)
|
FGUN |
48.01 |
47.05 |
-0.96 |
| 11 |
Lopez, Rocio (10)
|
FGUN |
49.31 |
52.08 |
2.77 |
| 12 |
Garijo, Caroline N (8)
|
FGGRSC |
|
52.21 |
- |
| 13 |
Halliburton, Mercedes (10)
|
FGCANE |
|
53.63 |
- |
| 14 |
Cardenas Uribe, Catalina R (9)
|
FGGRSC |
|
54.10 |
- |
| 15 |
Nunez, Lilianna M (10)
|
FGGRSC |
|
54.64 |
- |
| 16 |
Vasquez, Sarah (9)
|
FGSOFL |
53.81 |
54.69 |
0.88 |
| 17 |
Carreno, Maria P (10)
|
FGMACM |
|
57.25 |
- |
| 18 |
Pottigari, Anvitaa R (10)
|
FGSOFL |
1:02.82 |
57.49 |
-5.33 |
| 19 |
Moreno, Antonia (6)
|
FGGRSC |
|
58.61 |
- |
| 20 |
Adkins, Madison C (10)
|
FGSOFL |
1:13.10 |
59.85 |
-13.25 |
| 21 |
Lehel, Felicite B (8)
|
FGSFTL |
59.19 |
59.94 |
0.75 |
| 22 |
Egea-Guimaaes, Carolina (8)
|
FGGRSC |
|
1:02.34 |
- |
| 23 |
Schulze, Annie (10)
|
FGSOFL |
59.19 |
1:05.69 |
6.50 |
| 24 |
Escobedo, Pavlina B (8)
|
FGGRSC |
|
1:07.17 |
- |
| 25 |
Sosa, Sophia N (9)
|
FGGRSC |
1:13.00 |
1:08.09 |
-4.91 |
| 26 |
Marin, Daniela V (8)
|
FGGRSC |
1:34.28 |
1:13.03 |
-21.25 |
| 27 |
Wilson, Olivia B (7)
|
FGAKS |
|
1:25.04 |
- |
|
Poling, Summer R (9)
|
FGSFTL |
47.92 |
NS |
- |
|
Teixidor-Salerno, Alegra M (9)
|
FGMS |
|
NS |
- |
|
McCartney, Paloma A (10)
|
FGMS |
|
NS |
- |
|
Abril, Sofia V (9)
|
FGGRSC |
51.87 |
NS |
- |
|
Corrales, Victoria (9)
|
FGUNOL |
|
NS |
- |