The Indianapolis 500 isn’t called The Greatest Spectacle in Racing for no reason. Every year 33 of the greatest racers in the world converge on Indianapolis Motor Speedway to compete for the honor to be called Indianapolis 500 champion.

Everyone remembers the winners – Helio Castroneves, A.J. Foyt, Mario Andretti and more – but we don’t always remember the drivers who competed in the Indianapolis 500.

Today and every day until the 103rd Indianapolis 500 we take a look at 10 drivers you may have forgotten competed at Indianapolis Motor Speedway during the Indianapolis 500.