| Final | time | | 1. Richard Attlesey |  United States | 14.0s | | 2. Estanislao Kocourek |  Argentina | 14.2s | | 3. Samuel Anderson Schweyer |  Cuba | 14.2s | | 4. Don Halderman | United States | 14.3s | | 5. Wilson Gomes Carneiro |  Brazil | 14.7s | | 6. Vicente Tavarez Chavez |  Mexico | |
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| Heat 1 | time | | 1. Richard Attlesey | United States | 14.3s | | 2. Estanislao Kocourek | Argentina | 14.5s | | 3. Hernan Alzamora |  Peru | 15.1s | | 4. Juan Leiva |  Venezuela | 16.0s |
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| Heat 2 | time | | 1. Samuel Anderson Schweyer | Cuba | 14.7s | | 2. Don Halderman | United States | 14.8s | | 3. Jorn Gevert |  Chile | 15.4s | | 4. Carlos Zorich | Argentina | 16.0s |
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| Heat 3 | time | | 1. Wilson Gomes Carneiro | Brazil | 15.0s | | 2. Vicente Tavarez Chavez | Mexico | 15.1s | | 3. Téofilo Davis Bell | Venezuela | 15.4s | | 4. Eduardo Laca | Peru | 15.4s | | 5. Rubén Diaz Gomez | Argentina | |
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