Get your dirt on and get your pulse racing with ULTRA4 off-road racing at the Sturgis Buffalo Chip. Bring the whole family and watch in awe as this off-road racing series pushes man and machine right up to the brink at the Chip’s PowerSports Complex. ULTRA4 kicks off a week’s worth of racing events at the Buffalo Chip with races on Aug.5, 6 and 7. Race fans can catch all the high horsepower excitement for just $20 per day. Better yet, admission is free for campers staying at the Buffalo Chip.