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 8CTF allowing Wilbur Shaw to become the first driver to win consecutively at Indianapolis, in 1939 and 1940. With the 500 having been a part of the Formula One World Drivers' Championship between 1950 and 1960, Ferrari made a discreet appearance at the 1952 event with Alberto Ascari, but European entries were few and far between during those days. Among the Formula One drivers who did drive at the speedway was five-time world champion, Argentinian Juan Manuel Fangio, though he failed to qualify for the 1958 race. In fact, it was not until the Indianapolis 500 was removed from the