Running in Denver

Denver sits at 5,280 feet above sea level, making it one of the best cities in the country for altitude training. Runners who train in Denver regularly find their sea level performances dramatically improve. The Colfax Marathon winds through Denver neighborhoods each May and the Colorado running scene is one of the most active in the country year round with trail races, road races, and mountain events throughout the calendar. The Denver area has a strong running community with many running groups and clubs to join. Some popular options are below to help you find your running people.