Team Penske is one of the oldest and most competitive teams in the IndyCar Series. Founded as an open-wheel operation in 1968 for legendary driver Mark Donohue, owner Roger Penske has also entered cars in NASCAR, CART, Can-Am, Trans-Am, the American Le Mans Series, and Formula 1. The team joined the IRL in 2001 with drivers Hélio Castroneves and Gil de Ferran and won its first three Indianapolis 500s after returning to the Speedway.