Sonoma Raceway, formerly known as Sears Point Raceway and Infineon Raceway is a 2.52-mile (4.06 km) road course and drag strip located on the landform known as Sears Point in the southern Sonoma Mountains near Sonoma, California, USA. The course is a complex series of twists and turns that go up and down the hills. It is host to one of only five national NASCAR races each year that are run on road courses (including two races at Watkins Glen International in Watkins Glen, New York and the Nationwide Series-only races at Circuit Gilles Villeneuve in Montreal, Quebec, Canada and Road America in Elkhart Lake, Wisconsin). It is also host to the IndyCar Series and several other auto races and motorcycle races such as the American Federation of Motorcyclists series. read more