Tony Stewart at Indianapolis Motor Speedway

Stewart waves to the crowd during the drivers parade prior to his final Sprint Cup race at IMS. Stewart started third and finished 11th.

Stewart leads a group of cars into Turn 1 during his final Sprint Cup race at Indianapolis Motor Speedway.

Fans wrote tributes to Stewart on the pit wall at IMS before his last Sprint Cup race there.

Stewart gets a hug from Jeff Gordon after the Brickyard 400 on July 24, 2016. Gordon came out of retirement for the race and filled in for Dale Earnhardt Jr.

Tony Stewart climbs out of his car after qualifying for the Combat Wounded Coalition 400 at Indianapolis Motor Speedway on July 23. Stewart will start third in his final Brickyard race.

Tony Stewart addresses reporters ahead of his final Brickyard 400 at Indianapolis Motor Speedway on July 22.

Tony Stewart climbs into Carson Macedo's midget race car to do a couple laps on the temporary 3/16th dirt oval made for him inside Turn 3 at Indianapolis Motor Speedway as part of his retirement celebration.

Tony Stewart takes in the temporary 3/16th dirt oval made for him inside Turn 3 at Indianapolis Motor Speedway.

Tony Stewart talks to IMS president Doug Boles and the local media before doing a couple laps on the temporary 3/16th-mile oval made for him inside Turn 3 at Indianapolis Motor Speedway.

Tony Stewart, talking with Jeff Gordon, finished 28th in the 2015 Jeff Kyle 400 at The Brickyard.

Tony Stewart finished 17th in the 2014 John Wayne Walding 400 at The Brickyard.

In 2013, Tony Stewart (right) logged a fourth-place finish at the Samuel Deeds 400 at The Brickyard.

The 2011 Brickyard 400 saw Tony Stewart finish in sixth place.

Tony Stewart placed fifth at the 2010 Brickyard 400.

In his last Brickyard race in the No. 20 before switching over to the No. 14, Tony Stewart had a 23rd-place finish in the 2008 Allstate 400.

Tony Stewart poses with the champion's trophy after winning the Allstate 400 at the Brickyard in 2007.

Tony Stewart kisses the bricks after winning the Allstate 400 at the Brickyard in 2005, his first NASCAR victory at his home track.

Tony Stewart climbs the fence to celebrate winning the Allstate 400 at the Brickyard in 2005.

Tony Stewart and his parents ride a fire truck during a celebratory parade through his hometown of Columbus, Ind., after Stewart won the Allstate 400 at the Brickyard in 2005.

Tony Stewart leads the pack during practice for the 2002 Brickyard 400. Stewart started on the pole and finished 12th.

Tony Stewart finished sixth in the 2001 Indianapolis 500, the last time he ran the event.

Tony Stewart finished seventh at the 1999 Brickyard 400, his first running in the event.

Tony Stewart arrives at Lowe's Motor Speedway via helicopter for the 1999 Coca-Cola 600 after running the Indianapolis 500. Stewart became the first driver to complete both races in one day, finishing ninth at Indy and fourth in the Coca-Cola.

Tony Stewart talks with a reporter before the Indianapolis 500 in 1999.

Tony Stewart leads the field on a restart during the Indianapolis 500 in 1997. Stewart started second and finished fifth.