The High Lonesome 100 is a challenging Colorado ultra marathon and trail race. With 23,500' of vertical gain and reaching an elevation of 13,150', it offers a hell of a course through the Sawatch Range of the Colorado Rocky Mountains. The race takes runners on the National Continental Divide and Colorado Trails, through two ghost towns, over five alpine passes, and through remote basins and soaring ridges. It's a true mountain race that offers stunning views and is run by experienced individuals. If you're looking for a challenging and beautiful trail race, the High Lonesome 100 is the perfect choice.