| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Mantilla, Tania E (10)
|
FGYSF |
35.59 |
35.83 |
0.24 |
| 2 |
Foster, Valentina (10)
|
FGUN-M |
40.72 |
36.89 |
-3.83 |
| 3 |
Espejo-Pena, Catalina (10)
|
ZZLACE |
37.58 |
37.61 |
0.03 |
| 4 |
Perez, Lia (10)
|
ZZNACO |
36.89 |
37.98 |
1.09 |
| 5 |
Scope, Samantha (10)
|
FGLLL |
41.07 |
38.99 |
-2.08 |
| 6 |
Di Salvo, Fiorella (10)
|
FGSOFL |
40.40 |
39.37 |
-1.03 |
| 7 |
Solis, Natasha J (10)
|
FGCM |
43.02 |
45.50 |
2.48 |
| 8 |
Llenas, Delia (10)
|
ZZLACE |
42.48 |
45.74 |
3.26 |
| 9 |
Fogli, Caterina (10)
|
FGSOFL |
45.84 |
46.97 |
1.13 |
| 10 |
Duranti, Pilar A (10)
|
FGSOFL |
47.50 |
46.99 |
-0.51 |
| 11 |
Hiller, Aubrey R (9)
|
FGLLL |
48.25 |
48.46 |
0.21 |
| 12 |
LaPietra, Sabina S (8)
|
FGPST |
53.59 |
50.39 |
-3.20 |
| 13 |
Sanches, Anarebeca (10)
|
FGCM |
1:02.78 |
50.68 |
-12.10 |
| 14 |
Wolfe, Ava R (9)
|
FGYSF |
55.58 |
51.39 |
-4.19 |
| 15 |
Elliott, Kimoni (9)
|
FGFLA |
|
53.43 |
- |
| 16 |
Cifuentes, Valeria (9)
|
FGCM |
1:02.64 |
54.47 |
-8.17 |
| 17 |
Rodriguez, Penelope R (10)
|
FGMCDA |
|
54.97 |
- |
| 18 |
Gendarmi, Alessandra L (9)
|
FGSOFL |
|
55.01 |
- |
| 19 |
Collado, Barbara M (8)
|
ZZNACO |
1:07.09 |
56.50 |
-10.59 |
| 20 |
German, Dajah (9)
|
FGFLA |
|
59.99 |
- |
| 21 |
Avila, Sophia A (9)
|
FGYSF |
59.51 |
1:00.22 |
0.71 |
| 22 |
St. Hilaire, Zahnajai (7)
|
FGFLA |
|
1:03.95 |
- |
| 23 |
Santana, Ivanka (8)
|
ZZNACO |
1:03.38 |
1:15.60 |
12.22 |
| 24 |
German, Dziah (10)
|
FGFLA |
|
1:19.35 |
- |
|
Ruiz, Megan M (9)
|
FGWASC |
|
NS |
- |
|
Sipowski, Taylor L (10)
|
FGWASC |
|
NS |
- |