<page_title> 1999 World Championships in Athletics </page_title> <section_title> Track </section_title> <table> <cell> 400 m details <col_header> Event </col_header> </cell> <cell> Michael Johnson United States <col_header> Gold </col_header> </cell> <cell> 43.18 (WR) <col_header> Gold </col_header> </cell> </table>
Michael Johnson of the United States has set a world of 43.18 seconds in the 400 metres.