The 13th South American Junior Championships in Athletics were held in Santiago, Chile from October 23–26, 1980.
Participation (unofficial) Detailed result lists can be found on the "World Junior Athletics History" website. An unofficial count yields the number of about 191 athletes from about 8 countries: Argentina (49), Brazil (43), Chile (54), Colombia (9), Ecuador (13), Paraguay (9), Peru (11), Uruguay (3).
Medal summary
Medal winners are published for men and women. Complete results can be found on the "World Junior Athletics History" website.
Men
Women
Medal table (unofficial)