1987 Indianapolis 500 Al Unser, Sr. held off Roberto Guerrero by 4.496 seconds, to win his record-tying fourth Indianapolis 500 victory. By leading the final 18 laps, Unser, Sr. tied the all-time record for most laps led in Indy 500 competition, and, at 47 years of age, also became the oldest winner of the 500. Mario Andretti's dominance of the month, and subsequent failure to achieve victory, was largely unprecedented in modern times. He led the practice speed chart on 11 of the 17 days (he participated in only 13 days), won the pole position, won the pit stop contest, had the fastest
1984 Indianapolis 500 1984 Indianapolis 500 The 68th Indianapolis 500 was held at the Indianapolis Motor Speedway in Speedway, Indiana on Sunday May 27, 1984. Rick Mears, who previously won in 1979, won his second Indy 500 driving for Penske. Contenders Tom Sneva and Mario Andretti dropped out of the race in the second half, leaving Mears alone two laps ahead of the field, and he cruised to the victory. Three months after the race, however, Mears would suffer severe leg injuries in a practice crash at Sanair. Three rookies finished in the top five: Roberto Guerrero (2nd), Al Holbert (4th), and Michael