Formerly the Las Vegas Marathon, this event has a new name and new course with both the marathon and half-marathon races starting together on Las Vegas Blvd near Mandalay Bay and finishing in the Mandalay Bay parking lot. The course is flat, fast and live music is provided as runners pound the pavement. The Rock ‘n' Roll Las Vegas Marathon is a certified course and is also a \\"qualifier\\" for the Boston Marathon. Be a part of it or just watch this rockin' good time which benefits the Crohn's and Colitis Foundation of America.