Rubuta ci gaba don wannan sakin layi - Moorcroft ya fara zama na farko a Burtaniya a 1973 kuma ya yi gasa a wasannin Olympic na farko a Montreal 1976, inda ya zama na bakwai a wasan karshe na mita 1,500. Ya lashe zinare a Wasannin Commonwealth na 1978 a Edmonton a mita 1500. Makonni huɗu bayan haka, ya ci lambar tagulla a tseren da ya yi daidai a gasar tsere ta Turai a birnin Prague
Ka yi haƙuri. A Wasannin Olympics na Moscow na 1980, ya sha wahala daga matsalolin ciki kuma an fitar da shi a wasan kusa da na karshe na mita 5,000.