536 runs, swims, rides and races in Colorado

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

• Adams County (2)
• Alamosa (2)
• Archuleta County (1)
• Arvada (16)
• Aspen (10)
• Aurora (17)
• Berthoud (1)
• Boulder (13)
• Boulder County (4)
• Breckenridge (4)
• Brighton (3)
• Broomfield (2)
• Buena Vista (8)
• Carbondale (1)
• Castle Pines (1)
• Castle Rock (2)
• Cañon City (2)
• Centennial (40)
• Center (1)
• Chaffee County (1)
• Clear Creek County (2)
• Colorado Springs (47)
• Commerce City (1)
• Conejos County (1)
• Cortez (1)
• Craig (2)
• Crested Butte (2)
• Custer County (1)
• Delta County (1)
• Denver (50)
• Douglas County (11)
• Durango (8)
• El Paso County (10)
• Englewood (2)
• Erie (3)
• Estes Park (7)
• Evergreen (2)
• Fairplay (3)
• Fort Collins (22)
• Fountain (1)
• Frederick (3)
• Fremont County (2)
• Frisco (2)
• Fruita (5)
• Glenwood Springs (1)
• Golden (5)
• Granby (1)
• Grand County (2)
• Grand Junction (6)
• Greeley (3)
• Greenwood Village (2)
• Gunnison (1)
• Gunnison County (3)
• Highlands Ranch (5)
• Huerfano County (1)
• Idaho Springs (2)
• Jackson County (1)
• Jefferson County (4)
• Johnstown (1)
• La Plata County (2)
• Lake County (1)
• Lakewood (3)
• Larimer County (16)
• Leadville (7)
• Littleton (11)
• Longmont (7)
• Louisville (5)
• Loveland (10)
• Meeker (1)
• Mesa County (3)
• Mineral County (2)
• Montrose (1)
• Monument (1)
• Nederland (1)
• Olathe (1)
• Ouray County (5)
• Pagosa Springs (1)
• Palisade (3)
• Parachute (1)
• Park County (7)
• Parker (6)
• Pitkin County (2)
• Pueblo (6)
• Pueblo County (1)
• Rifle (1)
• Rio Grande County (1)
• Routt County (4)
• Saguache (1)
• Salida (2)
• San Juan County (5)
• Severance (3)
• Silt (1)
• Steamboat Springs (14)
• Summit County (1)
• Teller County (2)
• Telluride (4)
• Thornton (9)
• Vail (5)
• Westminster (12)
• Wheat Ridge (2)
• Windsor (6)
• Woodland Park (1)

Regional Clubs & Organizations