<page_title> 1983 World Championships in Athletics </page_title> <section_title> Track </section_title> <table> <cell> 400 m details <col_header> Games </col_header> </cell> <cell> Jarmila Kratochvílová (TCH) <col_header> Gold </col_header> </cell> <cell> 47.99 (WR) <col_header> Gold </col_header> </cell> </table>
Jarmila Kratochvílová set a world record of 47.99 seconds in the 400 metres event.