<page_title> Swimming at the 2012 Summer Olympics – Men's 100 metre butterfly </page_title> <section_title> Final </section_title> <table> <cell> Michael Phelps <col_header> Name </col_header> </cell> <cell> 51.21 <col_header> Time </col_header> </cell> </table>
Michael Phelps won his gold medal with a time of 51.21.