INDIANAPOLIS — Marco Andretti posted the fastest lap in Monday’s first Indianapolis 500 practice. He completed the 2.5-mile oval in 226.338 mph.

Scott Dixon was second at 225.296 mph.

Two-time Indy pole winner Ed Carpenter had the top Chevrolet car, finishing third at 224.969 mph on a warm, sunny day. Honda drivers Sebastien Bourdais and Ryan Hunter-Reay rounded out the top five.

Team owner Michael Andretti is attempting to put six cars on the 33-car starting grid, one of them being his son.