Detailed result lists can be found on the "World Junior Athletics History" website.[1] An unofficial count yields the number of about 259 athletes from about 12 countries: Argentina (50), Bolivia (7), Brazil (61), Chile (41), Colombia (15), Ecuador (17), Guyana (2), Panama (2), Paraguay (19), Peru (11), Uruguay (31), Venezuela (3).
Medal summary
Medal winners are published for men[2] and women[3]
Complete results can be found on the "World Junior Athletics History" website.[1]