Leadville Heavy Half Marathon

The Leadville Heavy Half Marathon is an exhilarating high-altitude challenge set in the heart of Colorado's Rocky Mountains. Starting at 10,200 feet and climbing to 13,185 feet at Mosquito Pass, this race pushes runners to their limits. The course winds through historic mining roads, offering breathtaking views of snow-capped peaks and alpine meadows. With its thin air and rugged terrain, the Leadville Heavy Half is not for the faint-hearted. It's a true test of endurance, rewarding finishers with an unparalleled sense of accomplishment and the bragging rights of conquering one of America's toughest half marathons.