Over 12 miles long, this course climbs through the Rocky Mountains up to the summit of Colorado's legendary Pikes Peak, 14,115 feet above sea ... enormous altitude, and unpredictable environment.

Kara Williams Rising more than 14,000 feet, Pikes Peak – aka "America's Mountain ... may make the road hazardous and the climbing altitude can make drivers feel dizzy or lightheaded.

The race against the clock pits drivers against a 12.42-mile stretch of road leading up to the Pikes Peak summit, with 156 corners, 4,720 feet of elevation gain, and almost no guard rails.

Apparently the car's setup is such that, even at high-altitude, it can produce more downforce than the 2,500-pound weight of the car. The first on-course testing of the I.D. R Pikes Peak will be ...