Rain limited Tuesday's Indianapolis 500 practice to two participants. Marco Andretti and Mike Conway were the only drivers to take to the track at the Indianapolis Motor Speedway before track officials called off the session in the late afternoon. Andretti completed five laps in Conway's car with a fast lap of 220.656 miles per hour. Conway completed eight laps in the same car with a best speed of 219.910 miles per hour. Read more: http://sports.espn.go.com/rpm/racing/indycar/indy500/2011/news/story?id=6560262
