The Tractor Pull will revs its engines at 7 p.m. Aug. 8 at the Boulder County Fairgrounds, 9595 Nelson Road, Longmont, at the Jack Murphy Outdoor Arena.

A 33-year-old Pennsylvania woman is dead after being struck by a piece of debris during a tractor pull event at a county fair, according to police. The incident happened at about 8:30 p.m. Aug. 11 ...