<page_title> Chronological summary of the 2012 Summer Olympics </page_title> <section_title> Day 7: Fri 3 August </section_title> <table> <cell> Shooting <col_header> Gold medalists </col_header> <col_header> Sport </col_header> </cell> <cell> Men's 50 metre rifle prone <col_header> Gold medalists </col_header> <col_header> Event </col_header> </cell> <cell> Sergei Martynov <col_header> Gold medalists </col_header> <col_header> Competitor(s) </col_header> </cell> <cell> Belarus <col_header> Gold medalists </col_header> <col_header> NOC </col_header> </cell> <cell> WR <col_header> Gold medalists </col_header> <col_header> Rec </col_header> </cell> </table>
In shooting, Sergei Martynov of Belarus set a new world record in the men's 50 metre rifle prone.