Racing preview for this week and a new event on the menu. RENO – This week is another mix of different events, some local and others national. And this time there’s something new. Two events in our area are two-day affairs running on Saturday and Sunday. The new one is the Silver State Rock Crawling Championship held at the Wild West Motorsports Park. What it might lack for speed the competition compensates by offering major obstacles for competitors to negotiate. The action begins at 10 a.m. each morning and is on the west side of the parking lot on top