Laughlin, Nevada TBA, April, 2012 1-800-357-8223 Billed as the “West Coast’s largest motorcycle event,” the Laughlin River Run draws more than 50,000 bikers from throughout the country and around the world. In addition to the various motorcycle competitions along the banks of the Colorado River, festivities at the Laughlin River Run include live entertainment, demo rides, parts exhibits, nonstop gaming action and more.