<page_title> Chronological summary of the 2012 Summer Olympics </page_title> <section_title> Day 9: Sun 5 August </section_title> <table> <cell> Wrestling <col_header> Gold medalists </col_header> <col_header> Sport </col_header> </cell> <cell> Men's Greco-Roman 55 kg <col_header> Gold medalists </col_header> <col_header> Event </col_header> </cell> <cell> Hamid Sourian <col_header> Gold medalists </col_header> <col_header> Competitor(s) </col_header> </cell> <cell> Iran <col_header> Gold medalists </col_header> <col_header> NOC </col_header> </cell> </table>
Wrestling Iran's Hamid Sourian competed in the men's Greco-Roman 55 kg.