Advantage Multisport athletes have been laying down some great racing the past couple weeks, both locally and around the country.  Brian Bowman ran his first ultramarathon at the Stumjumper 50k in Alabama.  In fact, it qualified as his first marathon as well, with only 7 months of training under his belt.  He pushed through 6700 vertical feet to finish strong as he builds for a 46miler in Dec.  Brian is a tough guy and student of the sport and will make a…