COLORADO SPRINGS, Colo.—If you drive the 12.4 mile 20 km, 156 corner route up Pikes Peak, abiding by the posted speed limit of 25 mph 40 km h, it will take you a good 30 minutes to reach the top. Thats assuming you resist the urge to stop and gawk at the infinite vistas that surround you along the way. On Sunday, professional racer JR Hildebrand covered that same distance in just 9.5 minutes, ignoring the scenery all the while. He did it in a 1,250 hp 932 kW hybrid powered Corvette ZR1X , a car...