Detailed result lists can be found on the "World Junior Athletics History" website.[1] An unofficial count yields the number of about 207 athletes from about 10 countries: Argentina (33), Bolivia (2), Brazil (62), Chile (51), Colombia (16), Ecuador (14), Paraguay (2), Peru (7), Uruguay (14), Venezuela (6).
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]