| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Truyol, Isabella R (10)
|
FGEA |
43.50 |
43.05 |
-0.45 |
| 2 |
Linfield, Katerina I (10)
|
FGRANS |
45.73 |
44.34 |
-1.39 |
| 3 |
Lisitsyn, Elizabeth (10)
|
FGNMST |
45.27 |
45.36 |
0.09 |
| 4 |
Osorno, Arden (10)
|
FGGRSC |
54.34 |
47.57 |
-6.77 |
| 5 |
Souza, Gabriela L (10)
|
FGGRSC |
50.94 |
48.86 |
-2.08 |
| 6 |
Perez, Alejandra M (9)
|
FGMACM |
48.42 |
48.92 |
0.50 |
| 7 |
Villamediana, Mya S (9)
|
FGEA |
50.13 |
48.93 |
-1.20 |
| 8 |
Avila, Lauren E (10)
|
FGAJSC |
50.65 |
49.21 |
-1.44 |
| 9 |
Rincon, Maria P (10)
|
FGRANS |
50.34 |
49.62 |
-0.72 |
| 10 |
Bachmann, Kristen S (10)
|
FGEA |
49.57 |
49.99 |
0.42 |
| 11 |
Milano, Thereza L (8)
|
FGGRSC |
51.55 |
50.25 |
-1.30 |
| 12 |
Fenot, Rafaelle (10)
|
FGMBS |
51.32 |
50.71 |
-0.61 |
| 13 |
Alfaro, Juliet N (10)
|
FGEA |
53.73 |
51.03 |
-2.70 |
| 14 |
Dabus, Rafaela A (9)
|
FGGRSC |
49.13 |
51.06 |
1.93 |
| 15 |
Abijo, Sofi O (8)
|
FGEA |
55.73 |
51.08 |
-4.65 |
| 16 |
Alfonso, Anabella S (10)
|
FGMS |
56.36 |
51.12 |
-5.24 |
| 17 |
Lydecker, Madison P (10)
|
FGMCDA |
56.47 |
51.26 |
-5.21 |
| 18 |
Montesino, Carlotta G (9)
|
FGRANS |
49.47 |
51.50 |
2.03 |
| 19 |
Ospina, Ana S (9)
|
FGEA |
50.91 |
51.75 |
0.84 |
| 20 |
Suarez, Avril (10)
|
FGMCDA |
57.75 |
52.10 |
-5.65 |
| 21 |
Vazquez, Daira (8)
|
FGOSC |
53.48 |
53.60 |
0.12 |
| 22 |
Bahniuk, Luiza H (9)
|
FGGRSC |
50.81 |
53.96 |
3.15 |
| 23 |
Morales, Anastasia C (6)
|
FGEA |
52.80 |
54.25 |
1.45 |
| 24 |
O'Hara, Shauna G (8)
|
FGEA |
1:15.04 |
57.46 |
-17.58 |
| 25 |
Izaguirre, Darcy A (9)
|
FGMACM |
|
1:02.54 |
- |
| 26 |
Barreto, Zoe (7)
|
FGOSC |
1:03.07 |
1:06.52 |
3.45 |
| 27 |
Rodriguez, Nina G (9)
|
FGMBS |
1:06.20 |
1:08.84 |
2.64 |
| 28 |
Vives-Solano, Lia (10)
|
FGAJSC |
1:25.83 |
1:16.20 |
-9.63 |
|
Stromeyer, Camille J (10)
|
FGMS |
|
DQ |
- |
|
Cosio, Patricia (9)
|
FGMS |
|
DQ |
- |
|
Waldrop, Stella M (10)
|
FGMBS |
1:07.59 |
DQ |
- |
|
Mercier, Sophia R (9)
|
FGMACM |
|
DQ |
- |
|
Prado, Claudia M (9)
|
FGMCDA |
1:23.06 |
NS |
- |
|
Nogueira, Antonia Q (10)
|
FGMCDA |
|
NS |
- |
|
Fernandez de Castro, Abigail (9)
|
FGMCDA |
|
NS |
- |
|
Kucuk-Lake, Zoey L (9)
|
FGMBS |
1:07.95 |
NS |
- |
|
Cadena, Manuela E (10)
|
FGMBS |
53.21 |
NS |
- |
|
Enriquez, Victoria (10)
|
FGCANE |
53.59 |
NS |
- |
|
Downey, Emilia C (9)
|
FGRANS |
|
NS |
- |
|
Kotz-Agramonte, Sofia O (9)
|
FGRANS |
48.33 |
NS |
- |
|
Roldan, Arianna * (10)
|
FGGRSC |
41.32 |
NS |
- |
|
Lampieis, Kimberly T (9)
|
FGGRSC |
|
NS |
- |
|
Cuevas, Zoe A (9)
|
FGAJSC |
51.53 |
NS |
- |