Pari gbolohun ti o tẹle: Tanigawa tun dije ninu awọn ere-ije idaji marathon: o gba awọn ami fadaka ti ara ẹni ati ẹgbẹ ni awọn ere-ije marathon agbaye.
1993 IAAF World Half Marathon Championships, ó sì gba ife ẹyẹ Sapporo Half Marathon 1994 àti America's Finest City Half Marathon 1996. O je oludije ife-eye idẹ ẹgbẹ ni 1994 IAAF World Half Marathon Championships, nibi ti o ti pari kẹwa.