Date Race Race Winner Pole Winner
08/28/2005 Argent Mortgage Indy Grand Prix Tony Kanaan Ryan Briscoe
08/27/2006 Indy Grand Prix of Sonoma Marco Andretti Scott Dixon
08/26/2007 Motorola Indy 300 Pres. by Jackson Rancheria Casino & Hotel Scott Dixon Dario Franchitti
08/24/2008 Peak Antifreeze & Motor Oil Indy Grand Prix of Sonoma County Helio Castroneves Helio Castroneves
08/23/2009 Peak Antifreeze Grand Prix of Sonoma County Dario Franchitti Dario Franchitti
08/22/2010 Indy Grand Prix of Sonoma Will Power Will Power
08/28/2011 Indy Grand Prix of Sonoma Will Power Will Power
08/26/2012 GoPro Indy Grand Prix of Sonoma Ryan Briscoe Will Power
08/25/2013 GoPro Indy Grand Prix of Sonoma Will Power Dario Franchitti
08/24/2014 GoPro Indy Grand Prix of Sonoma Scott Dixon Will Power
08/30/2015 GoPro Grand Prix of Sonoma Scott Dixon Will Power
08/18/2016 GoPro Grand Prix of Sonoma Simon Pagenaud Simon Pagenaud
08/17/2017 GoPro Grand Prix of Sonoma Simon Pagenaud Josef Newgarden
08/16/2018 Grand Prix of Sonoma Ryan Hunter-Reay Ryan Hunter-Reay