PLACERVILLE, CA APRIL 26, 2010: The W.E. Rock Western US National Series heats up Tucson, AZ with national rock crawling competitors at Pima Motorsports Park. The most well respected rock crawlers in the world will compete on a man made rock crawling course that includes a 28ft vertical climb. With Arizona being a hub for… Continue reading W.E. Rock Western US National Series Heats up in Arizona