Parker Johnstone did not start the race due a practice crash.

Barth had missed the session having been kept in hospital following his practice crash.

Ricky Craven suffered a concussion in a practice crash and was forced to sit out.

A few days later, however, Guerrero would suffer an almost career-ending practice crash at Indianapolis.

Due to a practice crash, he had to start at the back of the field for both the duel race and the 500.

He entered the 1951 Indianapolis 500 but wrecked his car in a practice crash.

He was killed in a practice crash for the 1935 Indianapolis 500.

In the Bahrain, Hamilton destroyed his car during a practice crash.

Buddy Rice, who will not drive in this year's race because of injuries sustained in a practice crash, won last year.