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

  • Bound for Boston Marathon

    Northfield High School 5500 Central Park Blvd, Denver, CO, United States

    Have you been dreaming of running Boston?  Need to shave a few minutes off your time to qualify?  Looking for the perfect course to set a PR?  Regardless, if you […]

  • Stagecoach Gravel Triathlon

    Stagecoach Reservoir 25500 Co Rd 14, Oak Creek, CO, United States

    We didn't get the chance to launch this race in 2020, but that didn't diminish our passion for this brand new style of triathlon!  To say this race is “unique” […]

  • Eltuck Valley 5K

    Lory Summer Trail Series
    Lory State Park 708 Lodgepole Dr, Bellvue, CO, United States

    Join us each Tuesday evening in August for a fun series of shorter midweek trail races. Our goal is to offer a fun, low-key series of races designed to give […]

    $25
  • Eldorado Springs Run for the Cure

    Eldorado Canyon State Park 294 Artesian Drive, Eldorado Springs, CO, United States

    Founded in 1979, the Eldorado Run for the Cure is the longest operating charitable footrace in the State of Colorado. All proceeds from the annual four-mile run benefit the Colorado […]

    $30
  • Boulder Stroke & Stride IX

    Boulder Stroke & Stride
    Boulder Reservoir 5565 N 51st St, Boulder, CO, United States

    The Boulder Stroke & Stride offers Boulder area athletes a fun 1-lap 750 Meter Swim, or 2-Lap 1500 Meter swim in Boulder Reservoir, followed by a 5k run on the […]

  • 1876 Centennial Run

    New Belgium Ranger Station 100 Elbert Lane, ##115, Snowmass Village, CO, United States

    Join us for the 1876 Centennial Run (3.76k/5k/10k/18.76k Challenge), at the New Belgium Ranger Station in Snowmass on August 7 & 8, 2026 In honor of the State of Colorado's […]

  • High Five 100

    Lake City Town Park 231 Silver St, Lake City, CO, United States

    In 2018 local ultra runners of Lake City came together to create a challenge meant to shake even the most elite runners to their core. What we came up with […]

  • 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 […]

  • Jane Welzel Mountain Avenue Mile

    Civic Center Park - Fort Collins Fort Collins, CO 80521, Fort Collins, CO, United States

    What is better than one day of running? TWO days of running! The Choice City Running Event on August 5th and 6th at Civic Center Park in Fort Collins has something for everyone. Kick off a weekend with the Jane Welzel Mountain Avenue Mile on Friday evening! Continue running strong the following day with the Human Race Half Marathon, 10K, and 5K. The party continues both days in the park with live music, vendors and a New Belgium beer garden!

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