Final | time | 1. Jaime Aparicio Rodewaldt | Colombia | 53.4s | 2. Wilson Gomes Carneiro | Brazil | 53.7s | 3. Don Halderman | United States | 54.5s | 4. Reinaldo Martin Muller | Chile | 55.2s | 5. Eduardo Laca | Peru | | 6. Samuel Anderson Schweyer | Cuba | |
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Heat 1 | time | 1. Don Halderman | United States | 53.4s | 2. Reinaldo Martin Muller | Chile | 54.3s | 3. Ernesto Igler | Argentina | 55.1s | 4. Carlos Monges Caldera | Mexico | 56.4s |
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Heat 2 | time | 1. Wilson Gomes Carneiro | Brazil | 54.9s | 2. Samuel Anderson Schweyer | Cuba | 55.4s | 3. Jorn Gevert | Chile | 55.4s | 4. Ernesto Rogg | Argentina | 56.6s | -. Richard Attlesey | United States | DNS |
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Heat | time 3. | 1. Jaime Aparicio Rodewaldt | Colombia | No Time | 2. Eduardo Laca | Peru | No Time | 3. Arturo Kuntze | Argentina | No Time | 4. Udo Martin Huber | Chile | No Time |
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