84 runs, swims, rides and races in Colorado

From city marathons to local trail runs—find ultra events in cities and communities throughout Colorado.

• Adams County (1)
• Aspen (1)
• Aurora (1)
• Brighton (1)
• Buena Vista (2)
• Castle Rock (1)
• Cañon City (1)
• Colorado Springs (8)
• Craig (1)
• Creede (2)
• Crested Butte (1)
• Douglas County (1)
• Durango (3)
• El Paso County (1)
• Empire (1)
• Erie (1)
• Estes Park (4)
• Fairplay (1)
• Fort Collins (1)
• Fremont County (1)
• Frisco (1)
• Fruita (1)
• Golden (1)
• Granby (2)
• Grand County (1)
• Grand Mesa (1)
• Gunnison (1)
• Highlands Ranch (1)
• Idaho Springs (1)
• Jackson County (1)
• Jefferson County (1)
• La Veta (1)
• Lake City (2)
• Lakewood (1)
• Larimer County (3)
• Leadville (1)
• Littleton (1)
• Loma (1)
• Longmont (1)
• Loveland (1)
• Mack (1)
• Mesa County (1)
• Montezuma County (1)
• Montrose County (1)
• Ouray (3)
• Ouray County (2)
• Palisade (1)
• Palmer Lake (1)
• Pueblo County (1)
• San Juan County (3)
• Severance (1)
• Silverton (1)
• South Fork (1)
• Steamboat Springs (2)
• Teller County (1)
• Telluride (1)
• Vail (1)
• Westminster (1)
• Winter Park (1)
• Woodland Park (1)