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The Sonoma Raceway circuit was built in 1968 and was known as Sears Point before becoming the Sonoma Raceway in 2002.
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The track is 2.52 miles long with 12 turns.
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The longest straightaway is 0.83 miles long.
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The circuit is host to many different styles of racing, such as the NASCAR Monster Energy Cup Series, IndyCar Series, NHRA Top Fuel Drag Racing and AMA Superbike.
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The Sonoma Raceway has made several modifications to the track to improve safety, including the installation of a chicane after Turn 11 in 2002.
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The circuit has the distinction of having the oldest and most difficult set of corners on a NASCAR circuit in the United States, known as the "Carousel".
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The Sonoma Raceway holds the record for the longest continuously operating race track in the United States, as well as the longest continually installed asphalt oval in the world.
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The original road course design was created by Indianapolis 500 champion Dan Gurney and had a length of 2.3 miles.
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The Sonoma Raceway also has a quarter-mile drag strip for drag racing, known as "The Sharks".
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The record lap time for a professional race at the Sonoma Raceway circuit is 1 minute and 15.914 seconds, which was set by Formula 1 driver Michael Schumacher in 2004.