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
2003 Indianapolis 500 2003 Indianapolis 500 The 87th Indianapolis 500 was held at the Indianapolis Motor Speedway in Speedway, Indiana on Sunday, May 25, 2003. Two-time defending champion Hélio Castroneves won the pole position and was trying to become the first driver in Indy history to win three in a row. With 31 laps to go, however, Castroneves was passed by his Penske teammate Gil de Ferran, and the duo finished 1–2, with de Ferran winning his first Indy 500. The race was sanctioned by the Indy Racing League and was part of the 2003 IndyCar Series season. For the 2003 season, the