400 m, Men

Competition 1978 South American Athletics U20 Championships
Venue Sao Paulo BRA
Held
Status Medal
Competitors 3
Countries 2
Pos Athlete(s) Country Mark
🥇 Antônio Ferreira BRA 46.7
🥈 Arturo Merino CHI 48.2
🥉 Nilton Dos Santos BRA 48.3