Osmar Barbosa dos Santos (born October 20, 1968 in Marilia) is a retired Brazilian middle distance runner who competed mostly over 800 metres. He started competing internationally around year 1996 and won a bronze medal at the 2004 World Indoor Championships. Competition record Personal bests 400 metres - 46.35 (1995) 800 metres - 1:44.87 (2000) External links 1968 births Living people Brazilian male middle-distance runners Athletes (track and field) at the 1996 Summer Olympics Athletes (track and field) at the 2000 Summer Olympics Athletes (track and field) at the 2004 Summer Olympics Olympic athletes of Brazil Pan American Games athletes for Brazil Athletes (track and field) at the 2003 Pan American Games Pan American Games medalists in athletics (track and field) Pan American Games silver medalists for Brazil Medalists at the 2003 Pan American Games 21st-century Brazilian people