# 1931 South American Championships in Athletics

The 1931 South American Championships in Athletics were held in Buenos Aires, Argentina between 5 April and 5 May.

## Medal summary
### Men's events

| Event | Gold | Gold | Silver | Silver | Bronze | Bronze |
| 100 metres | Carlos Bianchi Lutti Argentina | 10.9 | José de Almeida Brazil | 11.0 | Juan Piña Argentina | |
| 200 metres | Carlos Bianchi Lutti Argentina | 21.9 =CR | Juan Piña Argentina | 22.2 | José Vicente Salinas Chile | |
| 400 metres | José Vicente Salinas Chile | 49.6 | Héctor Domínguez Uruguay | 49.8 | Ernesto Riveros Chile | |
| 800 metres | Hermenegildo Del Rosso Argentina | 1:58.6 | Leopoldo Ledesma Argentina | 1:59.6 | Alfredo Narváez Peru | |
| 1500 metres | Leopoldo Ledesma Argentina | 4:05.8 | Hermenegildo Del Rosso Argentina | 4:07.0 | Ernesto Medel Chile | 4:09.6 |
| 3000 metres | Luis Oliva Argentina | 8:46.8 CR | Belisario Alarcón Chile | 8:47.0 | Juan Carlos Zabala Argentina | 8:48.2 |
| 5000 metres | José Ribas Argentina | 15:04.8 CR | Juan Carlos Zabala Argentina | 15:11.6 | Belisario Alarcón Chile | 15:16.6 |
| 10,000 metres | Juan Carlos Zabala Argentina | 31:19.0 CR | José Ribas Argentina | 31:26.8 | Belisario Alarcón Chile | 32:19.6 |
| 110 metres hurdles | Miguel Aldatz Argentina | 15.6 | Armando Sorucco Chile | 15.6 | Valerio Vallanía Argentina | |
| 400 metres hurdles | Sylvio Padilha Brazil | 54.8 CR | Carlos dos Reis Brazil | 55.6 | Carlos Müller Chile | 56.0 |
| 4 × 100 metres relay | Argentina Juan Bautista Pina Daniel Hermida Rodolfo Borzino Carlos Bianchi Lutti | 43.0 | Brazil José de Almeida Mario Marques Arnaldo Ferrara Ibere Reis da Silva | 43.6 | Uruguay Jaime Cardoso Ricardo La Rosa José La Rosa Jaime Meregalli | |
| 4 × 400 metres relay | Chile R. Salinas Guillermo Soto Ernesto Riveros José Vicente Salinas | 3:25.2 | Argentina José Signoris Leonidas Payal Alzua Juan Acosta Roberto Genta | 3:25.8 | Brazil Sylvio Padilha Carlos Reis Filho Ibere Reis da Silva Domingos Puglisi | 3:28.2 |
| 3000 metres team race | Argentina | | Chile | | Brazil | |
| Cross country | Fernando Cicarelli Argentina | 45:51.0 | Humberto Delgado Argentina | 45:52.2 | Jorge Donoso Chile | 46:13.0 |
| High jump | Valerio Vallanía Argentina | 1.85 | Alfonso Burgos Chile | 1.85 | Alberto Estrada Chile | 1.80 |
| Pole vault | Diego Pajmaevich Argentina | 3.70 | Adolfo Schlegel Chile | 3.70 | Carlos Joel Nelli Brazil | 3.70 |
| Long jump | Héctor Berra Argentina | 6.97 CR | Ciro Falcão Brazil | 6.91 | Juan Moura Chile | 6.69 |
| Triple jump | Luis Brunetto Argentina | 14.23 | Pedro Aizcorbe Argentina | 13.64 | Ricardo Mendiburo Chile | 13.63 |
| Shot put | Héctor Benapres Chile | 13.39 CR | Juan Conrads Chile | 13.38 | Rodolfo Butori Argentina | 13.36 |
| Discus throw | Héctor Benapres Chile | 44.30 CR | Armando Peloursson Argentina | 41.39 | Bento Barros Brazil | 40.59 |
| Hammer throw | Pedro Goic Chile | 46.50 | Federico Kleger Argentina | 45.57 | Alfredo Wismer Argentina | 45.44 |
| Javelin throw | Joaquim da Silva Brazil | 55.74 CR | Efraín Santibáñez Chile | 55.58 | José Pergañeda Argentina | 54.96 |
| Decathlon | Héctor Berra Argentina | 7065.62 CR | Armando Sorucco Chile | 6962.9 | Carlos Woebcken Brazil | 6591.19 |

## Medal table

| Rank | Nation | Gold | Silver | Bronze | Total |
| 1 | Argentina (ARG) | 16 | 10 | 6 | 32 |
| 2 | Chile (CHI) | 5 | 8 | 10 | 23 |
| 3 | Brazil (BRA) | 2 | 4 | 5 | 11 |
| 4 | Uruguay (URU) | 0 | 1 | 1 | 2 |
| 5 | Peru (PER) | 0 | 0 | 1 | 1 |
| Totals (5 entries) | Totals (5 entries) | 23 | 23 | 23 | 69 |