2013 Indianapolis 500

Indy 500 winner Tony Kanaan takes the traditional celebratory drink of milk in Victory Lane on Sunday at Indianapolis Motor Speedway.   (Darron Cummings / Associated Press)

Indianapolis 500 winner Tony Kanaan, a Brazilian driver of Lebanese heritage, pours the celebratory jar of milk over his head in Victory Lane on Sunday.   (Chris Graythen / Getty Images)

The pace car leads winner Tony Kanaan and the field to the checkered flag to complete the Indianapolis 500 under caution on Sunday.   (Tannen Maury / EPA)

Driver Tony Kanaan pumps his fist as he celebrates winning his first Indy 500 on Sunday.  (Tannen Maury / EPA)

Tony Kanaan guides his car around a turn as he leads the Indianapolis 500 late in the 97th running of the race on Sunday at Indianapolis Motor Speedway.   (Chris Graythen / Getty Images)

Tony Kanaan guides his Hydroxycut KV Racing Technology-SH Racing Chevrolet into the first turn as he leads the Indianapolis 500 on Sunday.  (Chris Graythen / Getty Images)

Pole-sitter Ed Carpenter leads a pack of drivers through a turn during the 97th Indianapolis 500 on Sunday.  (Chris Graythen / Getty Images)

Takuma Sato has the tires on his IndyCar changed after he spun out during the Indianapolis 500 on Sunday.   (Robert Baker / Associated Press)

James Hinchcliffe passes below JR Hildebrand, whose car hits the wall in the first turn early during the Indianapolis 500 race on Sunday.   (Bill Friel / Associated Press)

Pole-sitter Ed Carpenter leads the field to the start of the Indianapolis 500 on Sunday.   (AJ Mast / Associated Press)

The pre-race releasing of the balloons takes place at Indianapolis Motor Speedway before the Indy 500 on Sunday.   (Jonathan Ferrey / Getty Images)

Race teams change tires and refuel cars during a pit stop under caution on Lap 58 at the Indianapolis 500 on Sunday.   (AJ Mast / Associated Press)

Drivers line up for the traditional pre-race group photo before the 2013 Indianapolis 500 on Sunday.   (Robert Laberge / Getty Images)

Sarah Palin, former Alaska governor and vice presidential candidate, watches the start of the Indianapolis 500 on Sunday from the pit area.   (Darron Cummings / Associated Press)

Runners who were unable to finish the 2013 Boston Marathon run down pit road in a ceremonial finishing of the race on Sunday before the start of the Indianapolis 500.   (Robert Laberge / Getty Images)

San Francisco 49ers Coach Jim Harbaugh heads toward the pace car, which he drove to start the Indianapolis 500 on Sunday.   (Michael Conroy / Associated Press)

Historic war planes fly over Indianapolis Motor Speedway before the start of the Indy 500 on Sunday.   (Michael Conroy / Associated Press)