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
2006 Indianapolis 500 2006 Indianapolis 500 The 90th Indianapolis 500 was held at the Indianapolis Motor Speedway in Speedway, Indiana on Sunday May 28, 2006. Sam Hornish, Jr. won from the pole position. It was Hornish's first and only win at Indianapolis, and the record fourteenth Indy victory for Penske Racing. Hornish would later win the IndyCar Series championship, the second driver in a row to sweep the Indy 500 and season championship in the same season. In one of the most dramatic finishes in Indy history, 19-year old rookie Marco Andretti took the lead with three laps to go, after passing his