IMSA GT3 Cup Challenge
Introduction Start of the 2006 race at Road AtlantaThe '''Porsche''' '''GT3 Cup Challenge USA by Yokohama''' was a one-make racing series based in the United States using Porsche 911 GT3s.The Porsche GT3 Cup Challenge USA by Yokohama entered its 16th & final season in 2020 and was the largest of Porsche's 20 single-make Cup Challenge series in the world. The series produces intense, exciting competition for semi-professional and aspiring professional drivers in the world's most produced and iconic race car, the Porsche 911 GT3 Cup.Racing was divided into two classes – Platinum Cup, featuring the 2017-2019 Porsche 911 GT3 Cup car, which is based on the eighth (current) generation of the street car (991.2), and Gold Cup, featuring the 2014–2016 Porsche 911 GT3 Cup car, which is based on the seventh generation of the street car (991.1). A Masters Championship also is conducted in Platinum class, this class consists of drivers 45 years of age or older. Each class is awarded with its own podium at the end of every race and individual champion at the end of every season. Points are awarded by finish in class.The series was sanctioned by the International Motor Sports Association, and was a support series to the WeatherTech SportsCar Championship. It has now been replaced by Porsche Carrera Cup North America starting in 2021.
Circuits *  Autobahn Raceway (2009)*  Baltimore Street Circuit (2013)*  Barber Motorsports Park (2017–2019)*  Canadian Tire Motorsport Park (2006–2009, 2011–2015)*  Circuit Gilles Villeneuve (2008, 2011–2012, 2016, 2019)*  Circuit of the Americas (2013–2017)*  Indianapolis Motor Speedway (2007)*  Laguna Seca (2005–2016, 2019)*  Lime Rock Park (2011, 2014, 2003–2015)*  Mid-Ohio Sports Car Course (2005–2008, 2010, 2018–2020)*  New Jersey Motorsports Park (2010)*  NOLA Motorsports Park (2015)*  Portland International Raceway (2005)*  Road America (2005–2006, 2009–2020)*  Road Atlanta (2005–2014, 2016–2020)*  Sebring International Raceway (2006–2020)*  Sonoma Raceway (2017–2018)*  St. Petersburg Street Circuit (2020)*  Utah Motorsports Campus (2006–2012)*  Virginia International Raceway (2012, 2015–2020)*  Watkins Glen International (2013–2019)
Champions Season Champion 2005  Jay Policastro 2006 997 Class Champion 996 Class Champion  Nathan Swartzbaugh  Dino Loles 2007 Champion  Bob Faieta 2008 Platinum Class Champion Gold Class Champion  Bob Faieta  Tony Rivera 2009 Platinum Class Champion Gold Class Champion  Bob Faieta  Melanie Snow 2010 Platinum Class Champion Gold Class Champion  Ross Smith  Henrique Cisneros 2011 Platinum Class Champion Gold Class Champion  Henrique Cisneros  Madison Snow 2012 Platinum Class Champion Gold Class Champion  Sean Johnston  Angel Benitez, Jr 2013 Platinum Class Champion Gold Class Champion  Madison Snow  Michael Levitas 2014 Platinum Class Champion Gold Class Champion  Colin Thompson  Patrick-Otto Madsen 2015 Platinum Class Champion Gold Class Champion  Elliott Skeer  Jeff Mosing 2016 Platinum Class Champion Gold Class Champion  Jesse Lazare  Michael de Quesada 2017 Platinum Class Champion Gold Class Champion  Jake Eidson  Fred Kaimer 2018 Platinum Class Champion Gold Class Champion  Trenton Estep  Victor Gomez 2019 Platinum Class Champion Gold Class Champion  Roman De Angelis  Sebastian Carazo 2020 Platinum Class Champion Gold Class Champion  Jeff Kingsley  Curt Swearingin
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