On March 31, 2010, Andretti announced that he would join forces with Richard Petty and Window World for two events. The No. 43 returned as the entry, which was backed by Andretti Autosport, owned by John's cousin Michael. The team's first race was the RoadRunner Turbo Indy 300 at Kansas Speedway on May 1. Andretti qualified 15th but finished 9th, one lap down. The team also competed in the 94th Indianapolis 500 on May 30. After failing to qualify on pole day, Andretti made the race on bump day qualifying 28th for the second consecutive year. Andretti crashed out of the race on lap 65, and was credited with a 30th-place finish.