Kammala jumla mai zuwa: Lambert ya sanya hannu tare da kungiyar kekuna ta Holdsworth a shekarar 1974 tare da Les West da Colin Lewis kuma sun lashe Gasar Gasar Gasar Hanya ta Burtaniya 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 cikin
1979 Gasar Duniya a Valkenburg aan de Geul Lambert ya gama a matsayi na 26 na kawai mahaya 44 da suka gama ciki har da babu sauran 'yan Birtaniya da suka gama. 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.