Saturday, July 21st, marked the 2nd annual Fitness on the Rocks event – Denver's fitness concert. If you have ever wondered why Coloradoans remain among the healthiest in the nation, this event surely contributes to that answer. Thousands of people from around the state poured into Red Rocks Amphitheater to enjoy Zumba, Yoga and Boot Camp classes amidst one of Colorado and the world's most amazing natural wonders. Numerous vendors showed up in unanimous support of the fitness enthusiasts, including Reebok, 5-hour Energy, Orangetheory Fitness and CorePower Yoga. 303 Magazine served as the official media sponsor for the event, providing access to everything fitness. Look for this exclusive coverage and yourself in this gallery.