▁at ▁the ▁bottom ▁of ▁the ▁track . ▁D iane ▁and ▁Dallas ▁are ▁the ▁final ▁pair ▁and ▁D iane ' s ▁run ▁is ▁good ▁for ▁the ▁most ▁part , ▁but ▁she ▁goes ▁too ▁fast ▁near ▁the ▁end ▁and ▁takes ▁out ▁a ▁significant ▁number ▁of ▁sty ro fo am ▁obst acles . ▁Dallas ▁is ▁another ▁driver ▁who ▁ins ists ▁on ▁only ▁using ▁her ▁wing ▁mirror s ▁and ▁while ▁she ▁does ▁eventually ▁complete ▁the ▁course , ▁she ▁demol ishes ▁a ▁significant ▁portion ▁of ▁it . ▁ ▁The ▁Tr ough : ▁In ▁one ▁of ▁the ▁show ' s ▁classic ▁challeng es , ▁the ▁drivers ▁are ▁asked ▁to ▁drive ▁a ▁Su zu ki ▁Side k ick ▁through ▁a ▁concrete ▁tr ough , ▁in ▁a ▁test ▁of ▁their ▁ability ▁to ▁tell ▁where ▁their ▁whe els ▁are . ▁If ▁the ▁drivers ▁fall ▁off ▁the ▁tr ough ▁at ▁any ▁point , ▁they ▁are ▁required ▁to ▁start ▁over . ▁In ▁a ▁new ▁addition ▁to ▁the ▁challenge , ▁a ▁" wood en ▁bridge " ▁was ▁incorpor ated ▁into ▁the ▁course ▁( techn ically ▁a ▁section ▁of ▁cord uro y ▁road ▁made ▁with ▁railway ▁t ies ), ▁giving ▁drivers ▁a ▁chance ▁to ▁real ign ▁their ▁whe els ▁between ▁sections . ▁Az im ▁is ▁the ▁first ▁to ▁attempt ▁the ▁challenge ▁and ▁nearly ▁passes ▁it ▁at ▁the ▁first ▁time ▁of ▁asking , ▁only ▁to ▁fall ▁off ▁on ▁the ▁final ▁turn ; ▁this ▁leads ▁to ▁his ▁stress ▁problems ▁kick ing ▁in ▁and ▁he ▁never ▁gets ▁past ▁the ▁bridge ▁on ▁his ▁subsequent ▁runs . ▁D iane ▁far es