Event | Gold | Silver | Bronze |
100 metres (wind: -0.1 m/s) | Gerardo Salazar Peru | 10.7 | Gerardo Bönnhoff Argentina | 10.8 | José Telles da Conceição Brazil | 10.8 |
200 metres | Gerardo Bönnhoff Argentina | 21.5 | Fernando Lapuente Argentina | 22.0 | Gustavo Ehlers Chile | 22.0 |
400 metres | Gustavo Ehlers Chile | 48.7 | Argemiro Roque Brazil | 49.1 | Mário do Nascimento Brazil | 49.7 |
800 metres | Argemiro Roque Brazil | 1:53.3 CR | Waldomiro Monteiro Brazil | 1:53.9 | Carlos Gajardo Chile | 1:55.3 |
1500 metres | Nilo Riveros Argentina | 3:58.5 | Guillermo Solà Chile | 3:59.6 | Luís Rodrigues Brazil | 4:00.3 |
5000 metres | Raúl Inostroza Chile | 14:59.8 | Reinaldo Gorno Argentina | 15:05.5 | Juan Miranda Argentina | 15:09.0 |
10,000 metres | Delfo Cabrera Argentina | 31:05.7 | Raúl Inostroza Chile | 31:26.9 | Corsino Fernández Argentina | 31:32.3 |
Half marathon | Delfo Cabrera Argentina | 1:09:19 CR | Reinaldo Gorno Argentina | 1:11:28 | Corsino Fernández Argentina | 1:11:28 |
3000 metres steeplechase | Guillermo Solà Chile | 9:32.0 CR | Edgard Mitt Brazil | 9:34.6 | Haroldo Gallardo Chile | 9:38.4 |
110 metres hurdles (wind: -1.7 m/s) | Jörn Gevert Chile | 14.9 | Estanislao Kocourek Argentina | 15.0 | Wilson Carneiro Brazil | 15.1 |
400 metres hurdles | Wilson Carneiro Brazil | 52.7 CR | Jörn Gevert Chile | 53.5 | Pedro Yoma Chile | 54.6 |
4 × 100 metres relay | Argentina Mariano Acosta Enrique Becles Gerardo Bönnhoff Romeo Galán | 41.4 CR | Peru Gerardo Salazar Máximo Reyes Oscar Maldonado Armando Zapata | 42.0 | Brazil Gastão Mesquita Neto Rui Lima Geraldo Murgel Ary de Sá | 42.2 |
4 × 400 metres relay | Brazil Wilson Carneiro Mario do Nascimento Geraldo Maranhão Argemiro Roque | 3:17.5 | Argentina Máximo Guerra Enrique Kistenmacher Adan Torres Gerardo Bönnhoff | 3:18.0 | Chile Ramón Sandoval Carlos Gajardo Reinaldo Martín Gustavo Ehlers | 3:18.1 |
High jump | José Telles da Conceição Brazil | 1.90 | Ernesto Lagos Chile | 1.85 | Alberto Bacán Brazil | 1.85 |
Pole vault | Hélio da Silva Brazil | 4.00 =CR | Jaime Piqueras Peru | 3.90 | Luis Ganoza Peru | 3.90 |
Long jump | Ary de Sá Brazil | 7.39 CR | Carlos Vera Chile | 7.13 | Ahylton da Conceição Brazil | 7.08 |
Triple jump | Adhemar da Silva Brazil | 15.39 CR | Geraldo de Oliveira Brazil | 15.11 | Jorgely Figueira Brazil | 14.75 |
Shot put | Reidar Soerlie Argentina | 14.44 | Augusto Maalstein Chile | 13.86 | Emilio Stelig Brazil | 13.77 |
Discus throw | Reidar Soerlie Argentina | 47.72 CR | Elvio Porta Argentina | 45.27 | Hernán Haddad Chile | 45.15 |
Hammer throw | Arturo Melcher Chile | 50.75 | Elvio Porta Argentina | 49.73 | Emilio Ortiz Argentina | 49.25 |
Javelin throw | Ricardo Héber Argentina | 67.68 CR | Gerardo Mielke Chile | 63.10 | Janis Stendzenieks Chile | 60.51 |
Decathlon | Hernán Figueroa Chile | 6698 | Hernán Alzamora Peru | 5849 | Carlos Vera Chile | 5844 |