What 3 time champion podiumed at Mosport in 1981?
1981 Can-Am season The 1981 Can Am series season was the fourteenth running of the Sports Car Club of America's prototype-based series, and the fifth running of the revived series. Geoff Brabham was declared champion, despite only winning two races. Chevrolet again dominated the season. The dominant chassis manufacturers were March, Lola, Holbert, Frissbee, and VDS. IndyCar drivers Al Unser and Bobby Rahal also podiumed at Road America and Mosport, respectively.
Graham Hill Norman Graham Hill {'1': ", '2': ", '3': ", '4': "} (15 February 1929 – 29 November 1975) was a British racing driver and team owner from England, who was twice Formula One World Champion. He is the only driver ever to win the Triple Crown of Motorsport—the 24 Hours of Le Mans, Indianapolis 500 and either the Monaco Grand Prix or the Formula One World Drivers' Championship. He also appeared on TV in the 1970s on a variety of non-sporting programmes including panel games. He liked painting in his spare time.