30 Days in May: No. 3, Bobby Unser, 1981 Norton Spirit Penske/Cosworth

Welcome to our monthlong countdown celebrating notable drivers and cars from the history of the Indianapolis 500!

Photo credit: Indianapolis Motor Speedway

Bobby Unser started on the pole for the 1981 Indianapolis 500.

30 Days in May: No. 3, Bobby Unser, 1981 Norton Spirit Penske/Cosworth. In 1981, Bobby Unser started from the pole and was victorious in what would be his final Indianapolis 500, becoming the first driver to win in three different decades. Another bit of trivia: Bobby Unser finished last in his first Indianapolis 500 and finished first in his last Indianapolis 500. #Indy500 @IMS @IMSMuseum @IndyCar @TeamPenske