1931 South American Championships in Athletics

{{Infobox Athletics Championships

|Name = 1931 South American Championships in Athletics

|Logo =

|Size =

|Host city = Buenos Aires, Argentina

|Optional caption =

|Nations participating =

|Athletes participating =

|Events =

|Dates = 30 April–5 May

|Stadium =

|Previous = Lima 1929

|Next = Montevideo 1931 (U)

}}

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

Medal summary

=Men's events=

{{MedalistTable|type=Event|columns=2}}
100 metres

|Carlos Bianchi Lutti
{{flagcountry|Argentina}}

10.9

|José de Almeida
{{flagcountry|Brazil}}

11.0

|Juan Piña
{{flagcountry|Argentina}}

200 metres

|Carlos Bianchi Lutti
{{flagcountry|Argentina}}

21.9 =CR

|Juan Piña
{{flagcountry|Argentina}}

22.2

|José Vicente Salinas
{{flagcountry|Chile}}

400 metres

|José Vicente Salinas
{{flagcountry|Chile}}

49.6

|Héctor Domínguez
{{flagcountry|Uruguay}}

49.8

|Ernesto Riveros
{{flagcountry|Chile}}

800 metres

|Hermenegildo Del Rosso
{{flagcountry|Argentina}}

1:58.6

|Leopoldo Ledesma
{{flagcountry|Argentina}}

1:59.6

|Alfredo Narváez
{{flagcountry|Peru}}

1500 metres

|Leopoldo Ledesma
{{flagcountry|Argentina}}

4:05.8

|Hermenegildo Del Rosso
{{flagcountry|Argentina}}

4:07.0

|Ernesto Medel
{{flagcountry|Chile}}

4:09.6
3000 metres

|Luis Oliva
{{flagcountry|Argentina}}

8:46.8 CR

|Belisario Alarcón
{{flagcountry|Chile}}

8:47.0

|Juan Carlos Zabala
{{flagcountry|Argentina}}

8:48.2
5000 metres

|José Ribas
{{flagcountry|Argentina}}

15:04.8 CR

|Juan Carlos Zabala
{{flagcountry|Argentina}}

15:11.6

|Belisario Alarcón
{{flagcountry|Chile}}

15:16.6
10,000 metres

|Juan Carlos Zabala
{{flagcountry|Argentina}}

31:19.0 CR

|José Ribas
{{flagcountry|Argentina}}

31:26.8

|Belisario Alarcón
{{flagcountry|Chile}}

32:19.6
110 metres hurdles

|Miguel Aldatz
{{flagcountry|Argentina}}

15.6

|Armando Sorucco
{{flagcountry|Chile}}

15.6

|Valerio Vallanía
{{flagcountry|Argentina}}

400 metres hurdles

|Sylvio Padilha
{{flagcountry|Brazil}}

54.8 CR

|Carlos dos Reis
{{flagcountry|Brazil}}

55.6

|Carlos Müller
{{flagcountry|Chile}}

56.0
4 × 100 metres relay

| {{flagcountry|Argentina}}
Juan Bautista Pina
Daniel Hermida
Rodolfo Borzino
Carlos Bianchi Lutti

43.0

| {{flagcountry|Brazil}}
José de Almeida
Mario Marques
Arnaldo Ferrara
Ibere Reis da Silva

43.6

| {{flagcountry|Uruguay}}
Jaime Cardoso
Ricardo La Rosa
José La Rosa
Jaime Meregalli

4 × 400 metres relay

| {{flagcountry|Chile}}
R. Salinas
Guillermo Soto
Ernesto Riveros
José Vicente Salinas

3:25.2

| {{flagcountry|Argentina}}
José Signoris
Leonidas Payal Alzua
Juan Acosta
Roberto Genta

3:25.8

| {{flagcountry|Brazil}}
Sylvio Padilha
Carlos Reis Filho
Ibere Reis da Silva
Domingos Puglisi

3:28.2
3000 metres team race

| {{flagcountry|Argentina}}

| {{flagcountry|Chile}}| {{flagcountry|Brazil}}
Cross country

|Fernando Cicarelli
{{flagcountry|Argentina}}

45:51.0

|Humberto Delgado
{{flagcountry|Argentina}}

45:52.2

|Jorge Donoso
{{flagcountry|Chile}}

46:13.0
High jump

|Valerio Vallanía
{{flagcountry|Argentina}}

1.85

|Alfonso Burgos
{{flagcountry|Chile}}

1.85

|Alberto Estrada
{{flagcountry|Chile}}

1.80
Pole vault

|Diego Pajmaevich
{{flagcountry|Argentina}}

3.70

|Adolfo Schlegel
{{flagcountry|Chile}}

3.70

|Carlos Joel Nelli
{{flagcountry|Brazil}}

3.70
Long jump

|Héctor Berra
{{flagcountry|Argentina}}

6.97 CR

|Ciro Falcão
{{flagcountry|Brazil}}

6.91

|Juan Moura
{{flagcountry|Chile}}

6.69
Triple jump

|Luis Brunetto
{{flagcountry|Argentina}}

14.23

|Pedro Aizcorbe
{{flagcountry|Argentina}}

13.64

|Ricardo Mendiburo
{{flagcountry|Chile}}

13.63
Shot put

|Héctor Benapres
{{flagcountry|Chile}}

13.39 CR

|Juan Conrads
{{flagcountry|Chile}}

13.38

|Rodolfo Butori
{{flagcountry|Argentina}}

13.36
Discus throw

|Héctor Benapres
{{flagcountry|Chile}}

44.30 CR

|Armando Peloursson
{{flagcountry|Argentina}}

41.39

|Bento Barros
{{flagcountry|Brazil}}

40.59
Hammer throw

|Pedro Goic
{{flagcountry|Chile}}

46.50

|Federico Kleger
{{flagcountry|Argentina}}

45.57

|Alfredo Wismer
{{flagcountry|Argentina}}

45.44
Javelin throw

|Joaquim da Silva
{{flagcountry|Brazil}}

55.74 CR

|Efraín Santibáñez
{{flagcountry|Chile}}

55.58

|José Pergañeda
{{flagcountry|Argentina}}

54.96
Decathlon

|Héctor Berra
{{flagcountry|Argentina}}

7065.62 CR

|Armando Sorucco
{{flagcountry|Chile}}

6962.9

|Carlos Woebcken
{{flagcountry|Brazil}}

6591.19

Medal table

{{Medals table

| caption =

| host =

| flag_template =

| event =

| team =

| gold_ARG = 16 | silver_ARG = 10 | bronze_ARG = 6

| gold_CHI = 5 | silver_CHI = 8 | bronze_CHI = 10

| gold_BRA = 2 | silver_BRA = 4 | bronze_BRA = 5

| gold_URU = 0 | silver_URU = 1 | bronze_URU = 1

| gold_PER = 0 | silver_PER = 0 | bronze_PER = 1

}}