Ku sii qor faqradan - Tartankii ugu horeeyay ee 1975 wuxuu ahaa tartankii Argentine Grand Prix ee 1975 waxaana Donohue uu galay kaalinta toddobaad. Donohue wuxuu ka fariistay tartanka Brazil Grand Prix sababtoo ah dhibaato xagga maareynta ah. Donohue ayaa kaalinta siddeedaad ka galay tartanka Grand Prix ee Koonfur Afrika. Donohue wuxuu ka fariistay Spanish Grand Prix markii isaga iyo Alan Jones (Hesketh) ay shil galeen kadib markii ay ku dhufteen saliid ay ku dhacday wadada Jody Scheckter (Tyrrell). Tartanka Grand Prix ee Monaco
wuxuu arkay Donohue oo ka cararaya tartanka kadib markii uu shil galay Donohue wuxuu kaalinta 11-aad ka galay Belgium. Horyaalka Sweden ayaa Donohue ku dhamaystay kaalinta shanaad. Ninka Mareykanka ahi wuxuu kaalinta siddeedaad ka galay tartanka Holland. Tartanka Grand Prix ee Faransiiska ayaa Donohue uu ka fariistay tartanka sababo la xiriira qalad gudbinta.