Gadzira shanduro yakaoma zvikuru yemutsara uyu The Liberty Challenge yaiva mujaho weIndy Pro Series wakaitwa panzira yemugwagwa paIndianapolis.
Zvechokwadi, shanduro yakaoma zvikuru yemutsara ndeyekuti "The Liberty Challenge yaiva Indy Pro Series mujaho wakaitwa mumugwagwa weIndianapolis, kubva muna 2005 kusvika muna 2007, semutambo wekutsigira kuU.S. Grand Prix. "