Mark Donohue wins WINS TOP 5 TOP 10 RACES Totals: 1 1 1 6 1970's: 1 1 1 6 CUP WINS TOP 5 TOP 10 RACES STANDING 1973: 1 1 1 2 - 1972: 0 0 0 4 - WINS 1973/01/21 : Winston Western 500 : Riverside International Raceway - Riverside, CA