LOVELOCK (Aug 1-2)- The Frontier Day races at the Lovelock Speedway can be wild affairs. The two-day event highlights the annual celebration of the town’s founding and the action at the speedway is part of the festivities.   This year the races had an added twist as the new I-80 Challenge Series was there to stage its fourth round. The result was two days of hard, fast racing and on Saturday more than a bit of carnage. When the dust settled a veteran driver from Winnemucca and an young lion out of Fallon had swept their respective classes. After Saturday’s