Here are some of the notable drivers competing in the 50th race. Graham Rahal- IRL Scott Dixon- IRL Dario Franchitti- IRL Jamie McMurray- Nascar Juan Pablo Montoya- Nascar Christian Fittipaldi- Former Nascar driver Max Papis- Nascar driver Brian Johnson- AC/DC Colin Braun- Nascar Ricardo Zonta- Former F1 driver Scott Sharp- Former IRL driver Patrick Dempsey- Actor Andy Lally- Nascar Travis Pastrana- Nascar Michael Waltrip- Nascar James Hinchcliffe- IRL Boris Said- Nascar