Tuliskeun saterusna pikeun paragraf ieu - Tanigawa ogé bersaing dina lomba satengah maraton: anjeunna meunang medali perak individu sareng tim di 1993 IAAF World Half Marathon Championships sareng meunang Sapporo Half Marathon 1994 sareng 1996 America's Finest City Half Marathon. Manéhna meunang medali perunggu tim di 1994 IAAF World Half Marathon Championships
, di mana manéhna réngsé kasapuluh.