Conversation so far:
What is Can-Am?
The Canadian-American Challenge Cup, or Can-Am, was an SCCA/CASC sports car racing series from 1966 to 1987.
Are there any other interesting aspects about the Denny Hulme article?
Between 1967 through 1972, Denny Hulme was the Can-Am season champion twice, and championship runner-up four times.
When was Denny Hulme's first win at the Can-Am?
Denny Hulme won the Can-Am Championship in 1968, taking three victories in the six race season, earning 35 points in the McLaren M8A.

Question: Did he have a rivalry with anyone?
Self-contained rewrite: Did Denny Hulme hace a rivalry with anyone?