The 1st South American Youth Championships in Athletics were held in Comodoro Rivadavia, Argentina from November 2–4, 1973.

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 (Argentina) Detailed result lists can be found on the "World Junior Athletics History" website.

[3] An unofficial count yields the number of about 182 athletes from about 7 countries: