<page_title> Toshihiko Seko </page_title> <section_title> Marathons </section_title> <table> <cell> 1978 <col_header> Year </col_header> </cell> <cell> Fukuoka Marathon <col_header> Competition </col_header> </cell> <cell> 1st <col_header> Position </col_header> </cell> <cell> Marathon <col_header> Event </col_header> </cell> <cell> 1979 <col_header> Year </col_header> </cell> <cell> Fukuoka Marathon <col_header> Competition </col_header> </cell> <cell> 1st <col_header> Position </col_header> </cell> <cell> Marathon <col_header> Event </col_header> </cell> <cell> 1980 <col_header> Year </col_header> </cell> <cell> Fukuoka Marathon <col_header> Competition </col_header> </cell> <cell> 1st <col_header> Position </col_header> </cell> <cell> Marathon <col_header> Event </col_header> </cell> <cell> 1981 <col_header> Year </col_header> </cell> <cell> Boston Marathon <col_header> Competition </col_header> </cell> <cell> 1st <col_header> Position </col_header> </cell> <cell> Marathon <col_header> Event </col_header> </cell> <cell> 1983 <col_header> Year </col_header> </cell> <cell> Fukuoka Marathon <col_header> Year </col_header> </cell> <cell> 1st <col_header> Venue </col_header> </cell> <cell> Marathon <col_header> Position </col_header> </cell> <cell> 1986 <col_header> Year </col_header> </cell> <cell> London Marathon <col_header> Competition </col_header> </cell> <cell> 1st <col_header> Position </col_header> </cell> <cell> Marathon <col_header> Event </col_header> </cell> <cell> Chicago Marathon <col_header> Year </col_header> </cell> <cell> 1st <col_header> Venue </col_header> </cell> <cell> Marathon <col_header> Position </col_header> </cell> <cell> 1987 <col_header> Year </col_header> </cell> <cell> Boston Marathon <col_header> Competition </col_header> </cell> <cell> 1st <col_header> Position </col_header> </cell> <cell> Marathon <col_header> Event </col_header> </cell> </table>
Seko's marathon wins include Fukuoka Marathon (1978–1980, 1983), Boston Marathon (1981, 1987), London Marathon (1986) and Chicago Marathon (1986).