▁also ▁holds ▁national - level ▁events ▁in ▁an ▁alternate ▁format ▁called ▁" Pro S olo ". ▁ ▁In ▁Pro S olo , ▁two ▁cars ▁comp ete ▁at ▁the ▁same ▁time ▁on ▁mirror - image ▁courses ▁with ▁drag ▁racing - style ▁starts , ▁complete ▁with ▁reaction ▁and ▁ 6 0 - foot ▁times . ▁Class ▁w inners ▁and ▁other ▁qual ifiers ▁( based ▁on ▁time ▁differential ▁against ▁the ▁class ▁winner ) ▁then ▁comp ete ▁in ▁a ▁hand ic apped ▁elim ination ▁round ▁called ▁the ▁" Ch allenge ". ▁Point s ▁are ▁awarded ▁in ▁both ▁class ▁and ▁Challenge ▁competition , ▁and ▁an ▁annual ▁champion ▁is ▁crown ed ▁each ▁September ▁at ▁the ▁Pro S olo ▁Finale ▁event ▁in ▁Lincoln , ▁Neb r aska . ▁ ▁R ally ing ▁ ▁The ▁S CC A ▁san ctions ▁" R ally C ross " ▁events , ▁similar ▁to ▁aut oc ross , ▁but ▁on ▁a ▁non - p aved ▁course . ▁ ▁S CC A ▁Pro R ally ▁was ▁a ▁national ▁performance ▁r ally ▁series ▁similar ▁to ▁the ▁World ▁R ally ▁Championship . ▁At ▁the ▁end ▁of ▁the ▁ 2 0 0 4 ▁season ▁S CC A ▁dropped ▁Pro R ally ▁and ▁Club R ally . ▁A ▁new ▁organization , ▁R ally ▁America , ▁picked ▁up ▁both ▁series ▁starting ▁in ▁ 2 0 0 5 . ▁ ▁Road ▁r al lies ▁are ▁run ▁on ▁open , ▁public ▁roads . ▁These ▁are ▁not ▁races ▁in ▁the ▁sense ▁of ▁speed , ▁but ▁of ▁precision ▁and ▁navigation . ▁The ▁object ▁is ▁to