Jake Brown is ready to compete for Team USA’s biathlon team at the Beijing Olympic Games. Biathlon is a sport that combines cross country skiing and rifle shooting, but Brown had to do a lot more than that to prepare for the Olympics. “We’re not just cross country skiing and rifle shooting, we’re also out there mountain biking, riding in the mountains,” he said. As it became closer to the Olympics the team began to train on roller skis and found a roller ring that had a biathlon course, allowing them to ride with the rifles on their back. Brown’s main motivation in sports is to be able to trai…