STIHL® Dogs and Logs World Championships September 2 – 5.  A combination of canine and lumberjack athletes will compete for the World Championship title.  Canine athletes will compete in Big Air, Extreme Vertical and Speed Retrieve.  The IRONJACK athletes will compete in all lumber jack disciplines of standing block chop, underhand chop, single buck saw, stock saw, speed climbing, obstacle pole race and boom running.