The amped-up drivers get their first experience on the course, but not everyone has what it takes to dominate behind ...

A millionaire with a Lamborghini, a truck driver in a stock Mustang and a slew of other racers in tricked-out rides p...

The qualifying rounds continue with the craziest obstacle yet and six new racers. The standout is a 21-year-old nickn...

The qualifying rounds continue with the craziest obstacle yet and six new racers. The standout is a 21-year-old nickn...

As the knockout round begins, the drivers must prove themselves on a newly redesigned course. But not everyone's car ...

A new obstacle humbles the racers -- even one indomitable driver. Another contestant's overconfidence proves costly o...

With the competition down to eight drivers, the track designers crank up the difficulty with a new obstacle that turn...

A few old favorites return to the course for a series of head-to-head battles. The prize: a second chance at glory.

The course is downright diabolical. The margin for error is thinner than ever. The finale is nearly here. Go, drivers...

It all comes down to this. The top six drivers race through nine obstacles to determine the ultimate champion on four...