Joliet, Ill. ? Things just got a lot tougher for Helio Castroneves in his quest to overtake Scott Dixon for the IndyCar Series championship.

Castroneves, who was moved to the 28 starting spot, was penalized after Saturday’s qualifying for driving under the white out-of-bounds line at the bottom of the banked Chicagoland Speedway oval.

“He didn’t just do it once,” IndyCar spokesman John Griffin said. “He did it numerous times.”

That negated a solid fourth-place qualifying effort for Castroneves, whose Team Penske teammate, Ryan Briscoe, knocked Dixon off the pole and into second place in the 28-car field.

Danica Patrick will start third, and Castroneves’ penalty moved Tony Kanaan to fourth.