Pari gbolohun ti o tẹle: Tanigawa tun dije ninu awọn ere-ije idaji marathon: o gba awọn ami-ẹri fadaka kọọkan ati ẹgbẹ ni 1993 IAAF World Half Marathon Championships o si bori 1994 Sapporo Half Marathon ati 1996 America's Finest City Half Marathon. O jẹ oludije ami idẹ ẹgbẹ ni
1994 IAAF World Half Marathon Championships, níbi tí ó ti parí ipò kẹwàá.