Abuuri nooc ka mid ah weedhan adag ee Freedom Challenge wuxuu ahaa tartan Indy Pro Series oo lagu qabtay wadada wadada ee Indianapolis.
Dabcan, nooc ka mid ah jumlada ka sii adag waa "The Liberty Challenge wuxuu ahaa tartan Indy Pro Series oo lagu qabtay wadada wadada ee Indianapolis, laga bilaabo 2005 ilaa 2007, oo ah tartan taageero ah oo loogu talagalay US Grand Prix. "