Ronaldo da Costa (born 7 June 1970) is a Brazilian former long-distance runner and former world-record holder for the marathon distance.
Da Costa broke the ten-year-old marathon world record in 1998 in Berlin, having been fifth-placed in the previous year.
During his record run Da Costa also was the first man to officially reach the 40 km mark under two hours.
[2] The youngest of eleven children, Da Costa became a national hero after winning the internationally competed São Silvestre Brazilian road race (15 km) in 1994.
The same year he won the 5,000 m in the Ibero-American Championships entered by south-western European, Central and Southern American countries.