| 100 m, Men | 
José de Assis
 | 
  BRA
 | 
Walter Pérez
 | 
  URU
 | 
Adelio Márquez
 | 
  ARG
 | 
| 200 m, Men | 
José de Assis
 | 
  BRA
 | 
Adelio Márquez
 | 
  ARG
 | 
Rodolfo Carrera
 | 
  ARG
 | 
| 400 m, Men | 
Jorge Ehlers
 | 
  CHI
 | 
Agenor Da Silva
 | 
  BRA
 | 
Rosalvo Ramos
 | 
  BRA
 | 
| 800 m, Men | 
Agenor Da Silva
 | 
  BRA
 | 
Nilo Riveros
 | 
  ARG
 | 
Alfonso Rozas
 | 
  CHI
 | 
| 1,500 m, Men | 
Roberto Yokota
 | 
  CHI
 | 
Alfonso Rozas
 | 
  CHI
 | 
Guillermo García
 | 
  CHI
 | 
| 3,000 m, Men | 
Raúl Ibarra
 | 
  ARG
 | 
Raúl Inostroza
 | 
  CHI
 | 
Delfo Cabrera
 | 
  ARG
 | 
| 3,000 m Team, Men | 
Argentina
 | 
  ARG
 | 
Brazil
 | 
  BRA
 | 
Chile
 | 
  CHI
 | 
| 5,000 m, Men | 
Raúl Ibarra
 | 
  ARG
 | 
Raúl Inostroza
 | 
  CHI
 | 
Reinaldo Gorno
 | 
  ARG
 | 
| 10,000 m, Men | 
Raúl Ibarra
 | 
  ARG
 | 
Reinaldo Gorno
 | 
  ARG
 | 
Óscar Ibarra
 | 
  ARG
 | 
| 20 miles, Men | 
Corsino Fernández
 | 
  ARG
 | 
Julio Montecinos
 | 
  CHI
 | 
José Berger
 | 
  BRA
 | 
| 110 m Hurdles, Men | 
Julio Jaime
 | 
  URU
 | 
Julio Jaime
 | 
  URU
 | 
Hélio Días Pereira
 | 
  BRA
 | 
| 400 m Hurdles, Men | 
José López
 | 
  ARG
 | 
Sylvio Padilha
 | 
  BRA
 | 
Hércules Azcune
 | 
  URU
 | 
| 4 x 100 m Relay, Men | 
Brazil
 | 
  BRA
 | 
Argentina
 | 
  ARG
 | 
Uruguay
 | 
  URU
 | 
| 4 x 400 m Relay, Men | 
Brazil
 | 
  BRA
 | 
Argentina
 | 
  ARG
 | 
Uruguay
 | 
  URU
 | 
| High Jump, Men | 
Hércules Azcune
 | 
  URU
 | 
Celso Pinheiro Dória
 | 
  BRA
 | 
Pedro Listur
 | 
  URU
 | 
| Pole Vault, Men | 
Ícaro Mello
 | 
  BRA
 | 
Raimundo Días Rodrígues
 | 
  BRA
 | 
Federico Horn
 | 
  CHI
 | 
| Long Jump, Men | 
José de Assis
 | 
  BRA
 | 
Alfredo Meynet
 | 
  CHI
 | 
Alberto Eggeling
 | 
  CHI
 | 
| Triple Jump, Men | 
Geraldo de Oliveira
 | 
  BRA
 | 
Celestino Sarraúa
 | 
  ARG
 | 
Néstor Tenorio
 | 
  ARG
 | 
| Shot Put, Men | 
Emilio Malchiodi
 | 
  ARG
 | 
Ricardo Nitz
 | 
  BRA
 | 
Julián Llorente
 | 
  ARG
 | 
| Discus Throw, Men | 
Emilio Malchiodi
 | 
  ARG
 | 
Celso Pinheiro Dória
 | 
  BRA
 | 
Bento Barros
 | 
  BRA
 | 
| Hammer Throw, Men | 
Juan Fusé
 | 
  ARG
 | 
Dario Tavares
 | 
  BRA
 | 
Bento Barros
 | 
  BRA
 | 
| Javelin Throw, Men | 
Raúl Cóccaro
 | 
  URU
 | 
Efraín Santibáñez
 | 
  CHI
 | 
Rodolfo Correa
 | 
  CHI
 | 
| Decathlon, Men | 
Mario Recordón
 | 
  CHI
 | 
Celso Pinheiro Dória
 | 
  BRA
 | 
Raimundo Días Rodrígues
 | 
  BRA
 | 
| Cross Country, Men | 
Reinaldo Gorno
 | 
  ARG
 | 
Joaquim Goncalves da Silva
 | 
  BRA
 | 
Raúl Ibarra
 | 
  ARG
 | 
| 100 m, Women | 
Betty Kretschmer
 | 
  CHI
 | 
Noemí Simonetto de Portela
 | 
  ARG
 | 
Oldemia Bargiela
 | 
  ARG
 | 
| 200 m, Women | 
Elizabeth Müller
 | 
  BRA
 | 
Oldemia Bargiela
 | 
  ARG
 | 
Betty Kretschmer
 | 
  CHI
 | 
| 80 m Hurdles, Women | 
Noemí Simonetto de Portela
 | 
  ARG
 | 
Estella Ardinghi
 | 
  BRA
 | 
Erica Renner
 | 
  BRA
 | 
| 4 x 100 m Relay, Women | 
Argentina
 | 
  ARG
 | 
Chile
 | 
  CHI
 | 
Brazil
 | 
  BRA
 | 
| High Jump, Women | 
Ilse Barends
 | 
  CHI
 | 
Noemí Simonetto de Portela
 | 
  ARG
 | 
Elizabeth Müller
 | 
  BRA
 | 
| Long Jump, Women | 
Noemí Simonetto de Portela
 | 
  ARG
 | 
Elizabeth Müller
 | 
  BRA
 | 
Lucía Lake
 | 
  CHI
 | 
| Shot Put, Women | 
Elizabeth Müller
 | 
  BRA
 | 
Edith Klempau
 | 
  CHI
 | 
Lore Zippelius
 | 
  CHI
 | 
| Discus Throw, Women | 
Ivete Mariz
 | 
  BRA
 | 
Lore Zippelius
 | 
  CHI
 | 
Christel Balde
 | 
  CHI
 | 
| Javelin Throw, Women | 
Úrsula Holle
 | 
  CHI
 | 
Gerda Martín
 | 
  CHI
 | 
Edith Klempau
 | 
  CHI
 |