▁record ▁over ▁ 3 0 0 0   m ▁in ▁ 1 9 9 0 . ▁She ▁finished ▁in ▁the ▁top ▁ten ▁in ▁the ▁junior ▁races ▁at ▁the ▁I A AF ▁World ▁Cross ▁Country ▁Championships ▁in ▁ 1 9 9 0 ▁and ▁ 1 9 9 1 . ▁Her ▁international ▁senior ▁debut ▁came ▁at ▁the ▁ 1 9 9 1 ▁World ▁Championships ▁in ▁Athletics ▁held ▁in ▁Tokyo , ▁where ▁she ▁ran ▁in ▁the ▁he ats ▁of ▁the ▁ 3 0 0 0   m . ▁She ▁placed ▁sixth ▁in ▁the ▁ 1 5 0 0 ▁metres ▁at ▁the ▁ 1 9 9 5 ▁Univers ia de ▁and ▁following ▁her ▁gradu ation ▁she ▁won ▁a ▁Japanese ▁national ▁championship ▁double ▁over ▁ 8 0 0 ▁metres ▁and ▁ 1 5 0 0 ▁metres . ▁She ▁represented ▁Japan ▁in ▁both ▁these ▁events ▁at ▁the ▁ 1 9 9 7 ▁East ▁Asian ▁Games ▁and ▁won ▁the ▁ 8 0 0   m ▁silver ▁medal ▁and ▁ 1 5 0 0   m ▁bronze ▁medal . ▁ ▁Hay ak ari ▁consist ency ▁ranked ▁in ▁the ▁top ▁three ▁middle ▁distance ▁run ners ▁at ▁the ▁Japanese ▁Athletics ▁Championships ▁from ▁the ▁late ▁ 1 9 9 0 s ▁up ▁to ▁ 2 0 0 5 . ▁Over ▁this ▁period ▁she ▁set ▁a ▁career ▁ 8 0 0   m ▁best ▁of ▁ 2 : 0 7 . 9 3 ▁minutes ▁in ▁Os aka , ▁represented ▁Japan ▁at ▁the ▁ 1 9 9 9 ▁I A AF ▁World ▁Ind oor ▁Championships ▁in