The Lucas Oil Pro Motocross Championship will make its annual trek to the mile-high altitude of the greater Denver area for the second round of the 2021 season. With the highest elevation of any professional motocross track in the world, Thunder Valley Motocross Park presents a unique-yet-captivating challenge for the world's fastest riders. Before the stars of American motocross hit the track, take a virtual lap around Colorado's scenic venue with a sneak peek of the layout for the Toyota Thunder Valley National, courtesy of MX vs ATV.