Rahlves Banzai Tour 2015. The Rahlves Banzai Tour is racing in its purest form. Big mountain freeride meets ski / boarder-cross action! Taking place at three Lake Tahoe, CA resorts its head to head action four at a time, top to bottom, down a wide open course over natural terrain and snow conditions. This is the ultimate test of ski and riding skills. Open entry for 18 years old and up. Come take part in the fun and find out what you are made of.