The 14th South American Youth Championships in Athletics were held in Manaus, Brazil from October 23–25, 1998.

Medal winners are published for boys[1] and girls.

[2] Complete results can be found on the "World Junior Athletics History" website.

[3] *   Host nation (Brazil)Detailed result lists can be found on the "World Junior Athletics History" website.

[3] An unofficial count yields the number of about 190 athletes from about 13 countries: