Photos: 2015 Indianapolis 500

Juan Pablo Montoya celebrates after winning the Indianapolis 500 on May 24, 2015.

Juan Pablo Montoya celebrates as he drives down pit lane after winning the Indianapolis 500 on May 24, 2015.

Juan Pablo Montoya reacts after pulling into victory lane after winning the Indianapolis 500 on May 24, 2015.

Juan Pablo Montoya celebrates with his family after winning the Indianapolis 500 on May 24, 2015.

Connie Montoya takes a drink of milk as she celebrates with her husband, Juan Pablo Montoya, after his Indianapolis 500 win on May 24, 2015.

Juan Pablo Montoya is congratulated by a crew member after winning the Indianapolis 500 on May 24, 2015.

Juan Pablo Montoua kisses the bricks on the start/finish line after winning the Indianapolis 500 on May 24, 2015.

Juan Pablo Montoya, left, crosses the finish line ahead of Will Power to win the Indianapolis 500 on May 24, 2015.

Juan Pablo Montoya races during the Indianapolis 500 on Sunday.

The cars sit on the starting grid before the start of the Indianapolis 500 on May 24, 2015.

The green flag waves as the field races past the start/finish line at the Indianapolis 500 on May 24, 2015.

NASCAR’s Jeff Gordon drives the Chevrolet Corvette pace car before the start of the Indianapolis 500 on May 24, 2015.

Pole-sitter Scott Dixon races during the Indianapolis 500 on May 24, 2015.

Scott Dixon, right, races ahead of Tony Kanaan (No. 10) during the Indianapolis 500 on May 24, 2015.

Crew members change tires and refuel Scott Dixon’s car during the Indianapolis 500 on May 24, 2015.

Simon Pagenaud races during the Indianapolis 500 on May 24, 2015.

Tony Kanaan makes a pits stop during the Indianapolis 500 on May 24, 2015.

The Indianapolis Motor Speedway pagoda stands in front of the sun before the start of Indianapolis 500 on May 24, 2015.

Former television host David Letterman sits in the pits before the start of the Indianapolis 500 on May 24, 2015.

Recording artist Jordin Sparks sings the national anthem before the start of the Indianapolis 500 on May 24, 2015.

Actor and racing driver Patrick Dempsey takes a selfie on the track before the start of the Indianapolis 500 on May 24, 2015.

Bryan Clauson, top, hits the wall behind Alex Tagliani during the Indianapolis 500 on May 24, 2015.

Sage Karam reacts after being involved in a crash during the Indianapolis 500 on May 24, 2015.

A four-leaf clover sits on the dash of Scott Dixon’s Chevrolet Dallara before the start of the Indianapolis 500 on May 24, 2015.

Juan Pablo Montoya races during the Indianapolis 500 on May 24, 2015.

Juan Pablo Montoya celebrates by taking the traditional drink of milk after winning the Indianapolis 500 at the Indianapolis Motor Speedway on May 24, 2015.

Juan Pablo Montoya, right, celebrates with his father, Pablo, after winning the Indianapolis 500 on May 24, 2015.

Juan Pablo Montoya celebrates with his family on the start/finish line after winning the Indianapolis 500 on May 24, 2015.

Juan Pablo Montoya and his Team Penske crew kiss the bricks on the start/finish line after winning the Indianapolis 500 on May 24, 2015.