<page_title> Swimming at the 2008 Summer Olympics – Men's 400 metre freestyle </page_title> <section_title> Final </section_title> <table> <cell> Larsen Jensen <col_header> Name </col_header> </cell> <cell> United States <col_header> Nationality </col_header> </cell> <cell> 3:42.78 <col_header> Time </col_header> </cell> </table>
U.S. swimmer Larsen Jensen set a record of 3:42.78.