<page_title> Chronological summary of the 2008 Summer Olympics </page_title> <section_title> Day 2: August 10 </section_title> <table> <cell> Swimming <col_header> Gold medalists </col_header> <col_header> Sport </col_header> </cell> <cell> Men's 400 m individual medley <col_header> Gold medalists </col_header> <col_header> Sport </col_header> </cell> <cell> Michael Phelps <col_header> Gold medalists </col_header> <col_header> Event </col_header> </cell> <cell> United States <col_header> Gold medalists </col_header> <col_header> Competitor(s) </col_header> </cell> <cell> WR <col_header> Gold medalists </col_header> <col_header> NOC </col_header> </cell> </table>
In Swimming at the 2008 Summer Olympics, Michael Phelps of the United States set a world record in the men's 400 m individual medley.