F5000 Road America
ELKHART LAKE, WI - JULY 16: Lothar Motschenbacher's McLaren M18 (#11) and Brian Redman's Chevron B24 (#80) race into Turn 5 during Heat Two of the Formula 5000 Road America Grand Prix held on July 16, 1972 at Elkhart Lake, Wisconsin. (Photo by Alvis Upitis)