The 1972 Canadian-American Challenge Cup was the seventh season of the Can-Am auto racing series. It was contested by FIA Group 7 racing cars running two-hour sprint events. The series began June 11, 1972, and ended October 29, 1972, after nine rounds. It was jointly sanctioned by the Sports Car Club of America and the Canadian Automobile Sports Club.
George Follmer won the series driving a Porsche 917/10 similar to the example pictured above
Denny Hulme placed second driving a McLaren M20
The Canadian-American Challenge Cup, or Can-Am, was an SCCA/CASC sports car racing series from 1966 to 1974, and again from 1977 to 1987.
The Can-Am race at Edmonton International Speedway in 1973
A McLaren M1A, one of the early Can-Am competitors that was equally at home in other sportscar series.
McLaren Can Am Chassis restored by Racefab Inc. for vintage racing
The Porsche 917/30 carried Mark Donohue to the 1973 championship.