Sunday 26th August 1973

Mark Donohue won the Road America Can-Am race in Elkhart Lake, Wisconsin, USA, driving a Penske Porsche 917/30. Porsches took the first five finishing positions. Road America is a permanent road course located midway between the cities of Milwaukee and Green Bay. It has hosted races since September 1955 and currently hosts over 400 events a year. Of its annual events, 9 major weekends are open to the public which include 3 motorcycle events including the MotoAmerica (AMA FIM) series, 3 vintage car events, Sports Car Club of America (SCCA) events, the United Sports Car Racing Series, the SPEED World Challenge, and the NASCAR XFINITY Series.