(SONOMA, CA) - The IndyCar Series returns to action this weekend as they take on the road course at Infineon Raceway in Sonoma, California.
With four races remaining, three drivers are battling it out for the driver's championship.
Defending series champion Scott Dixon enters the weekend with a three-point lead over Ryan Briscoe with Dario Franchitti just 20 points back.
Despite missing the first race of the season, Helio Castroneves is still in contention 101 points behind Dixon.
Practice and qualifying is scheduled for Saturday with the Infineon Indy Grand Prix on Sunday.
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