Final | time | 1. Malvin Whitfield | United States | 1:53.2 | 2. William Brown | United States | 1:53.3 | 3. Hugo Maiocco | United States | 1:53.6 | 4. Julio Ferreyra Lima | Argentina | 1:53.6 | 5. Argemiro Roque | Brazil | 1:54.6e | 6. Eduardo Balducci | Argentina | 1:54.7e | 7. Adolfo Augustin | Argentina | 1:55.6e | 8. Evelio Planas del Rio | Cuba | 1:56.6e | 9. Luis Modesté | Trinidad Tobago | | 10.Frank Prince | Panama | |
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Heat | time | 1. Malvin Whitfield | United States | 1:57.7 | 2. Julio Ferreyra Lima | Argentina | 1:57.8 | 3. Frank Prince | Panama | 1:58.1 | 4. Argemiro Roque | Brazil | 1:58.1 | 5. Hugo Maiocco | United States | | 6. Wilfred Tull | Trinidad Tobago | | 7. Filemón Camacho | Venezuela | | 8. Rubén Figueredo | Paraguay | | -. Samuel Alvarez Lascari | Mexico | DNS |
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Heat | time | | | 1. Eduardo Balducci | Argentina | 1:57.2 | 2. Evelio Planas del Rio | Cuba | 1:58.2 | 3. William Brown | United States | 1:58.3 | 4. Luis Modesté | Trinidad Tobago | 1:58.9 | 5. Adolfo Augustyn | Argentina | | 6. Libardo Mora | Colombia | | 7. Luis Gonzaga Rodrigues | Brazil | | 8. Anastasio Zelaya | Paraguay | | 9. Rogelio Gómez Rodriguez | Peru | |
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