1968 USAC Championship Car season

The 1968 USAC Championship Car season consisted of 28 races, beginning in Hanford, California on March 17 and concluding in Riverside, California on December 1. The USAC National Champion and Indianapolis 500 winner was Bobby Unser.

Schedule and results
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 * Run in two heats of 98 miles (158 kilometers) each.
 * Run in two heats of 100 miles (161 kilometers) each.