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
2015 Indianapolis 500 2015 Indianapolis 500 The 99th Indianapolis 500 was held at the Indianapolis Motor Speedway in Speedway, Indiana on Sunday May 24, 2015. It was the premier event of the 2015 season of the Verizon IndyCar Series. Juan Pablo Montoya won his second Indianapolis 500, followed in the finish by Will Power, Charlie Kimball, polesitter Scott Dixon, and Graham Rahal. For the second year in a row, the month of May activities opened with the Grand Prix of Indianapolis over May 7–9. Practice opened on May 11, and time trials were held on May 16–17. Rain interrupted and eventually washed out