2013 South American Junior Championships in Athletics

The 40th South American Junior Championships in Athletics (Campeonatos Sudamericanos de Atletismo de Juveniles) were held from October 18–20, 2013 at the Estadio Jaime Zapata in Resistencia, Chaco, Argentina.

Medal summary
Complete results were published.

Men
†: In the 400 metres hurdles event, Gerald Drummond from was 3rd in 53.74, running as a guest.

Medal table (unofficial)
A medal count was published. There is a slight difference to an unofficial medal count. However, another source supports the number of 7 gold medals for Colombia as published below.

Team scores
Team scores were published. {{legend|#ccccff|The host country is highlighted in lavender blue|border=solid 1px #AAAAAA}}

Participation
The participation of 273 athletes (including 2 guests) from 12 countries (including 1 guest country) is published.


 * 🇦🇷 argentina (60)
 * 🇧🇴 bolivia (7)
 * 🇧🇷 brazil (77)
 * undefined (11)
 * 🇨🇴 colombia (22)
 * 🇪🇨 ecuador (27)
 * 🇵🇦 Panamá (5)
 * undefined (13)
 * 🇵🇪 Perú (20)
 * 🇸🇷 suriname (3)
 * undefined (26)

Guest country:


 * undefined (2)