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 of Saavedra's car. Saavedra needed assistance in climbing from his car and was later diagnosed with a foot contusion. The race was restarted on lap 184 with Power in the lead. The last 13 laps saw the lead exchange hands four times between Dixon, Power and Montoya. With four laps remaining, Montoya slip-streamed around the outside of Power into turn one and took the lead. With clean air, Montoya was able to fend off Power for the remaining three laps and win the second Indianapolis 500 of his career. Points include qualification points from Time Trials, 1 point for leading