Moorhouse wuxuu noqday xidiga ugu wanaagsan ee dabaasha ee Britain 1981 markii uu ku guuleystay bilada naxaasta ah 200 m tartanka Yurub ee Yugoslavia. Sanadkii ku xigay wuxuu helay dahabkiisii ugu horreeyay ka dib markii uu ku guuleystay orodka 100 m ee ciyaaraha Commonwealth
Australia, oo ah rikoor cusub oo British ah oo ah 1:02.93, iyo sidoo kale bronze-ka 200m ee laabta. Horyaalkii Adduunka ee Guayaquil wax yar ka dib, wuxuu ka maqnaa naxaas kaliya 2/100th ee ilbiriqsi ee 100m oo ah laabta gadaashiisa (Mustaqbalka) Ciyaartoyda Olombikada ee 1984 Steve Lundquist (USA) iyo Victor Davis (CAN), iyo rikoodhka adduunka ee mustaqbalka John Moffet (USA). Sannadkii xigay wuxuu ku soo laabtay guulihii isagoo dahab ku qaatay 200m oo laabta ah 1983 European Championships ee Rome oo ay weheliso lacag 100m.