Rubuta ci gaba don wannan sakin layi - Lambert ya sanya hannu tare da ƙungiyar kekuna ta Holdsworth don 1974 tare da Les West da Colin Lewis kuma sun lashe gasar zakarun Burtaniya ta National Road Race a karon farko a wannan shekarar. Ya yi tsere kuma ya gama Paris-Roubaix a 1977 kafin ya sanya hannu a Viking a 1978. A Gasar Cin Kofin Duniya ta 1979
a Valkenburg aan de Geul Lambert ya gama a matsayi na 26 na kawai masu tseren 44 da suka gama ciki har da sauran 'yan Birtaniya. A cikin 1980 Lambert ya sanya hannu tare da Weinmann kuma ya gama na uku a Druivenkoers Overijse a bayan Fons De Wolf da Rudy Pevenage kuma Lambert ya tura Bill Nickson zuwa gasar tseren kasa ta 1980 ta inci don taken zakaran Burtaniya na biyu a Redditch.