We managed to get some good, quick runs in on the half-mountain days (not entirely how quick on the lower half run because the GPS-based speedometer was pretty much nonfunctional on the middle section of the course). What you can't see very well is the half dozen or so times we had the car up on two wheels in the first video. What you can see is the camera shake at about 3:55 into the second video as we put the right side tires just a little bit over the edge of the abyss.