<page_title> United States at the 2012 Summer Olympics </page_title> <section_title> Competitors </section_title> <table> <cell> Athletics (track and field) <col_header> Sport </col_header> </cell> <cell> 125 <col_header> Total </col_header> </cell> </table>
Athletics was the largest team by sport, with a total of 125 competitors.