 Shigenori Ohmori ndiye akanga ari shasha itsva yeJapan mumakwikwi emamita 400 muna 1981, asi Nagao akachinja muvengi wake wenyika paAsia Athletics Championships muna 1979, achimhanya masekondi 50.32 kuti akwire pachigaro chepamusoro munguva yekurekodha. Ohmori naYoshimatsu vakapedzisa nhandare kuti vaite kuti muJapan muve nomukurumbira wokukunda menduru pamakwikwi omunyika muTokyo. Nagao ndiye akanga ari mutambi wechirume wokutanga wokuJapan kukunda mukwikwidzi. Achitsiva Kadhum semutambi wepamusoro mudunhu, akasarudzwa kune vese 400 m zvipingamupinyi uye 4 × 400 m relay timu yeAsia ku1981 IAAF World Cup. 