The sun rises behind the pagoda at Indianapolis Motor Speedway, Sunday, May 24, 2020, in Indianapolis. (AP Photo/Darron Cummings)

Rubber from tires leaves a trail in the pits at Indianapolis Motor Speedway, Sunday, May 24, 2020, in Indianapolis. (AP Photo/Darron Cummings)

A fan watches as cars practice on a short dirt track at Gas City I-69 Speedway, Sunday, May 24, 2020, in Gas City, Ind. (AP Photo/Darron Cummings)

A message honoring the 100th anniversary of the Indianapolis 500 is located in the middle of the "Yard of Bricks" at the Indianapolis Motor Speedway, Sunday, May 24, 2020, in Indianapolis. (AP Photo/Darron Cummings)

Fans watch as cars practice at Gas City I-69 Speedway, Sunday, May 24, 2020, in Gas City, Ind. (AP Photo/Darron Cummings)

Jeff and Diana Blackford sit outside of the main gate at Indianapolis Motor Speedway, Sunday, May 24, 2020, in Indianapolis. The Indianapolis 500 was postponed to Aug. 23 due to the coronavirus outbreak. (AP Photo/Darron Cummings)

Andy Bishop climbs out of his car following a practice session at Gas City I-69 Speedway, Sunday, May 24, 2020, in Gas City, Ind. On a day usually reserved for IndyCar's crown jewel race, Gas City I-69 Speedway an hour's north of Indianapolis had a handful of cars on a short dirt track. (AP Photo/Darron Cummings)

Gabe Wilkins drives his car during a practice session at Gas City I-69 Speedway, Sunday, May 24, 2020, in Gas City, Ind. (AP Photo/Darron Cummings)

Drivers steers the cars out of turn four during a practice session at Gas City I-69 Speedway, Sunday, May 24, 2020, in Gas City, Ind. (AP Photo/Darron Cummings)

Cole Ketchum waits in his car before a practice session at Gas City I-69 Speedway, Sunday, May 24, 2020, in Gas City, Ind. (AP Photo/Darron Cummings)

Fans gather outside of the main gate at Indianapolis Motor Speedway, Sunday, May 24, 2020, in Indianapolis. (AP Photo/Darron Cummings)

IndyCar driver Spencer Pigot rides his bicycle across the "Yard of Bricks" at Indianapolis Motor Speedway, Sunday, May 24, 2020, in Indianapolis. The Indianapolis 500 was postponed because of the coronavirus pandemic. The race will instead be held Aug. 23, three months later than its May 24 scheduled date. (AP Photo/Darron Cummings)

IndyCar driver Charlie Kimball rides his bicycle down the main straightaway at Indianapolis Motor Speedway, Sunday, May 24, 2020, in Indianapolis. The Indianapolis 500 was postponed because of the coronavirus pandemic. The race will instead be held Aug. 23, three months later than its May 24 scheduled date. (AP Photo/Darron Cummings)

IndyCar driver Charlie Kimball and Dalton Kellett ride their bicycles into turn one at Indianapolis Motor Speedway, Sunday, May 24, 2020, in Indianapolis. The Indianapolis 500 was postponed because of the coronavirus pandemic. The race will instead be held Aug. 23, three months later than its May 24 scheduled date. (AP Photo/Darron Cummings)

Indianapolis Motor Speedway is empty, Sunday, May 24, 2020, in Indianapolis. The Indianapolis 500 was postponed because of the coronavirus pandemic. The race will instead be held Aug. 23, three months later than its May 24 scheduled date. (AP Photo/Darron Cummings)

Gabe Wilkins walks away from his car at Gas City I-69 Speedway, Sunday, May 24, 2020, in Gas City, Ind. (AP Photo/Darron Cummings)

The Borg-Warner Trophy is displayed at Indianapolis Motor Speedway, Sunday, May 24, 2020, in Indianapolis. (AP Photo/Darron Cummings)

Cole Ketchum climbs into his car before a practice session at Gas City I-69 Speedway, Sunday, May 24, 2020, in Gas City, Ind. (AP Photo/Darron Cummings)

IndyCar drivers Charlie Kimball, Dalton Kellett, Spencer Pigot, Felix Rosenqvist and Marcus Ericsson rides their bicycles down the main straightaway at Indianapolis Motor Speedway, Sunday, May 24, 2020, in Indianapolis. The Indianapolis 500 was postponed because of the coronavirus pandemic. The race will instead be held Aug. 23, three months later than its May 24 scheduled date. (AP Photo/Darron Cummings)