1921 Indianapolis 500 1921 Indianapolis 500 The 9th International 500-Mile Sweepstakes Race was held at the Indianapolis Motor Speedway on Monday, May 30, 1921. Ralph DePalma dominated yet another early running of the 500, but again fails to win. He led 109 laps, and had a two-lap lead at the halfway point. A connecting rod broke, and he dropped out on lap 112. DePalma retires with one win, and 612 laps led in the "500." His laps led record would not be matched for 67 years until Al Unser, Sr. tied it in 1987. Tommy Milton won the first of two 500 victories.
1999 Indianapolis 500 three networks: ABC, ESPN, and ESPN2. At the track, several of the electronic dot matrix scoreboards were removed and replaced with four Daktronics ProStarä Video Plus screens and three Daktronics ProStarä large screens (one each inside the four turns, one each inside the two shortchutes, and one along the north end of the mainstretch). A year later, the project was completed, and an additional six Daktronics ProStarä video screens were installed along the inside and outside of the frontstretch. 1999 Indianapolis 500 The 83rd Indianapolis 500 was held at the Indianapolis Motor Speedway in Speedway, Indiana, on Sunday, May 30,