Rank Swimmer Country Time Note
1 Claudia Poll Costa Rica 57.43 Q
2 Vanessa García Puerto Rico 57.95 Q
3 Arlene Semeco Venezuela 58.11 Q
4 Heysi Villarreal Cuba 58.67 Q
5 Maríana Álvarado Mexico 58.69 Q
6 Carolina Moreno Mexico 59.11 Q
7 Isabella Tafur Colombia 59.70 Q
8 Ximena Maria Vilár Venezuela 59.79 Q
9 Nikia Hillarie Bahamas 59.92
10 Sharon Fajardo Honduras 1:00.45
11 Maria Álvarez Colombia 1:00.76
12 Alia Atkinson Jamaica 1:01.17
13 Alexis Jordan Barbados 1:01.79
14 Sharntelle McLean Trinidad and Tobago 1:03.26
15 Jennifer Powell Cayman Islands 1:03.41
16 Nishani Cicilson Suriname 1:03.88
17 Sade Daal Suriname 1:04.70
18 Dalia Tórrez Nicaragua 1:05.69
-- Gisela Morales Guatemala DNS
-- Alana Dillette Bahamas DNS
-- Pamela Benítez El Salvador DNS
-- Nilshaira Isenia Netherlands Antilles DNS