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  • Fish Hatchery 5K

    Leadville National Fish Hatchery 2846 Hwy 300, Leadville, CO, United States

    Located at the historic Leadville National Fish Hatchery, the Fish Hatchery 5K features a scenic cross country style course that winds through subalpine forest near and around the Evergreen Lakes […]

  • Tails on the Trail 5K

    Salida Steamplant Sacket and G Streets, Salida, CO, United States

    The Tails on the Trail 5K is a family and dog-friendly 5k race with proceeds benefiting the life-saving work of Ark-Valley Humane Society. Race this with or without your dog on May 22nd at Loyal Duke's Dog Park in Salida.

  • Best Buddies Friendship Walk

    Basalt Middle School 51 School St., Basalt, CO, United States

    The Best Buddies Friendship Walk is the leading event in the country supporting inclusion for people with intellectual and developmental disabilities (IDD). Join 50,000 participants at 70+ Walks across the […]

  • The Big Run 5K

    Fleet Feet - Colorado Springs 3659 Austin Bluffs Parkway, Colorado Springs, CO, United States

    Celebrate what makes running fun — high-fives, endorphins, good friends. Come hang with Fleet Feet on Global Running Day, run a breezy 3.1 miles and make The Big Run an epic […]

  • First Fridays 5K

    First Fridays 5K
    Festival Park 199 Perry St., Castle Rock, CO, United States

    Friday nights in the summer are made for spending time close to home, enjoying the beautiful weather, and unwinding from the long week. Why go anywhere else but Downtown Castle […]

  • Summits Trail Runs

    Granby Ranch 1000 Village Rd, Granby, CO, United States

    The Summits Trail Runs occur at Granby Ranch Resort in Colorado’s beautiful Rocky Mountains. These challenging trail races offer a variety of distances ranging from shorter runs to ultra distances, […]

  • Great Divide Ultra

    Mueller State Park 21045 State Highway 67, Divide, CO, United States

    Experience the spring-fed meadows, massive rocks of Pikes Peak granite, and sweeping views of Colorado’s most spectacular mountains in the Great Divide Ultras. This Colorado early season 100m, 100k, 50k […]

  • Basalt Half Marathon

    Basalt Middle School 51 School St., Basalt, CO, United States

    The Basalt Half Marathon is a fast gradual downhill race on a scenic 2 lane road along the Frying pan river. This race is a fundraiser for the Basalt High […]

  • Colorado Triathlon

    Boulder Reservoir 5565 N 51st St, Boulder, CO, United States

    The Colorado Triathlon is where Colorado comes to race! The Colorado Triathlon - sprint & olympic distances, duathlon & aquabike options . To make this the "can't miss" event of […]

    $85 – $145

  • Steamworks Half Marathon

    Durango Sports Club Durango, CO, United States

    The Steamworks Half Marathon will take place in the San Juan Mountains . This high-elevation, 13.1 mile race will take place at 6,500 feet above sea level. The course is […]

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