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
Indianapolis 500 Indianapolis 500 The Indianapolis 500-Mile Race (better known as the Indianapolis 500) is an automobile race held annually at Indianapolis Motor Speedway (IMS) in Speedway, Indiana, United States, an enclave suburb of Indianapolis, Indiana. The event is held over Memorial Day weekend in late May. It is contested as part of the Verizon INDYCAR Series, the top level of American Championship Car racing, an open-wheel open-cockpit formula colloquially known as "Indy Car Racing". The name of the race is often shortened to Indy 500, and the track itself is nicknamed "the Brickyard", as the racing surfacing was paved in brick