IndyCar racing champion Michael Andretti will be at Giant Food in Parkville on Thursday to talk with shoppers and sign autographs.

Andretti, CEO of Andretti Sports Marketing, the promoter of the Grand Prix of Baltimore, will be at the store at 7709 Harford Road from 5 p.m. to 7 p.m.

Andretti's son, Marco Andretti, will be driving the No. 26 Dr. Pepper TEN car during the IZOD IndyCar Series race on Sunday.

Landover-based Giant is a sponsor of this weekend's 2012 Grand Prix of Baltimore presented by SRT. The three-day event in the streets of downtown Baltimore kicks off on Friday.