<page_title> 1931 Isle of Man TT </page_title> <section_title> Lightweight TT (250cc) </section_title> <table> <cell> 1 <col_header> Rank </col_header> </cell> <cell> United Kingdom Graham Walker <col_header> Rider </col_header> </cell> <cell> Rudge <col_header> Team </col_header> </cell> <cell> 68.98 mph (111.01 km/h) <col_header> Speed </col_header> </cell> </table>
Graham Walker of Rudge won the 1931 Isle of Man TT Race with an average race speed of 68.98 mph (111.01 km/h).