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
2013 Indianapolis 500 at the finish in a race that completed 200 laps (26), fewest caution laps (21), most laps completed by the field (5,863), as well as a 133-lap caution-free segment from lap 61 through 193. Chevrolet swept the top four finishing positions, and took its first Indianapolis 500 win since 2002, breaking Honda's streak of nine consecutive Indy 500 wins. Chassis manufacturer Dallara won its 8th straight Indy 500, and 13th overall since joining the series in 1997. <nowiki>*</nowiki> Includes days where track activitywas significantly limited due to rain ROP — denotes rookie orientation program Comm. — denotes 500 Festival Community