<page_title> Vadim Zadoinov </page_title> <section_title> International competitions </section_title> <table> <cell> 1990 <col_header> Year </col_header> <col_header> Representing Soviet Union </col_header> </cell> <cell> European Championships <col_header> Year </col_header> <col_header> Representing Soviet Union </col_header> </cell> <cell> 4th <col_header> Venue </col_header> <col_header> Representing Soviet Union </col_header> </cell> <cell> 400 m hurdles <col_header> Position </col_header> <col_header> Representing Soviet Union </col_header> </cell> <cell> 8th <col_header> Year </col_header> <col_header> Representing Soviet Union </col_header> </cell> <cell> 4 x 400 m relay <col_header> Competition </col_header> <col_header> Representing Soviet Union </col_header> </cell> </table>
At the 1990 European Championships, Vadim Zadoinov finished fourth in the 400 m hurdles and eighth in the 4 × 400 m relay.