Event details subject to change. Please confirm all information via event website.

  • Harvest Moon Triathlon

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

    Est. in 2000 this Colorado classic provides the veterans to beginners a challenging, affordable, and competitive race with a local flavor. Whether this is your first event of the season, or a tune-up for a summer long course triathlon, don't miss the Harvest Moon! The Aquabike portion is one of the fastest growing Aquabikes in […]

  • 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, each course showcasing sweeping mountain vistas, dense forests, and rugged alpine terrain. Runners experience varying elevation gains that test endurance as the routes twist through […]

  • 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 and 25k trail ultra takes place entirely on the beautiful rolling meadows of Mueller State Park. The beautiful looped course is 100% smooth single/double-track trail. […]

  • 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 the season, we'll also have athlete hoodie sweat shirts, and the best swag bag of the season. For us this race is about one person, […]

    $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 a point-to-point route. Runners will race down county road 250, alongside the Animas River. The race will finish at the Durango Sports Club on Florida […]

  • J-Town Jog 5K

    Johnstown Reservoir 140 Alabaster Way, Johnstown, CO, United States

    Get ready to rumble at the J-Town Jog 5K and Mile, an annual family-friendly event to kick off Johnstown Barbeque Day! Runners and walkers of all ages and abilities will enjoy the 5K and 1 Mile routes now located at Johnstown Reservoir, offering a fun, scenic, and relaxing venue for participants.  While the course has moved from […]

  • Step Up For Women And Recovery 5K

    Fossil Creek Park Lemay Avenue, Fort Collins, CO, United States

    This event brings together the community and supports scholarships for women who seek treatment for drug and alcohol addiction. People entering a program often have the commitment to complete treatment but insurance coverage ends before their planned discharge. These scholarships help to fill that gap. As a nonprofit with over 50-years of serving clients, our […]

  • Centennial Airport Runway 5K

    Wings Over The Rockies 13005 Wings Way, Englewood, CO, United States

    Join us on Saturday, June 1, 2024, for the Centennial Airport Runway 5K in support of the Centennial Airport Foundation! Runners and walkers alike will have the chance to take in amazing views as they cover the course of a full-length Runway and Taxiway at the busiest General Aviation airport in the nation. WHERE: Start/Finish […]

    $45
  • Aiden’s Adventure 5K

    Fountain Creek Regional Park 2010 Duckwood Road, Fountain, CO, United States

    Let's help Aiden give back to his community and honor him in such a loving way. Aiden's Adventure 5k is designed to remember Aiden, a sweet, caring, "never met a stranger" personality, forever 5-year-old that is so dearly missed by his friends and family. Aiden was lost in a tragic accident, but we keep his […]

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