(UNDATED) - The IZOD IndyCar Series wraps up a stretch of four races in four weekends Saturday night at Iowa Speedway.
Practice for the Iowa Corn Indy 250 gets underway tomorrow morning.
Instead of the lineup being set by qualifying speeds, three heat races on Friday night will be used to determine the field. The makeup of those heat races will be determined by speeds posted during tomorrow afternoon's second practice session.
Marco Andretti is the defending race winner. Will Power remains the overall points leader with James Hinchcliffe moving up to second 31 points behind.
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