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  • Elevation Everest

    Winter Park Resort 85 Parsenn Rd, Winter Park, CO, United States

    Elevation Everest is a race series held at Winter Park Resort in Colorado that offers hiking/trail running events centered around one goal: elevation gain. Choose to race solo or make […]

  • Estes Epic

    Estes Park High School 1600 Manford Ave, Estes Park, CO, United States

    Join us for the Estes Epic — a premier event featuring a 50k Bike Race, 50k Run, and Heavy Half Marathon. After a six-year hiatus, this challenging race returns, offering […]

  • Run for the Angels 5K

    Rocky Mountain Metro Airport 11001 Control Tower Road, Broomfield, CO, United States

    If you've ever wanted to run on an airport, this is your chance! Angel Flight West is proud to present the Run for the Angels 5k! Angel Flight West is […]

    $40

  • John Wayne True Grit Trail Half Marathon

    Red Cliffs Lodge Mile Post 14 Hwy 128, Moab, UT, United States

    The True Grit Run meanders through the forest at the base of the San Juan Mountain where True Grit was filmed. The courses run on single track trails and fire […]

  • Rut Run 5K

    United Methodist Church - Estes Park 1509 Fish Hatchery Rd, Estes Park, CO, United States

    With the Fall Season, Estes Park shines in colors and wilderness experiences! Herds of Elk begin to roam the meadows and open fields; while sounds of bugling Bull Elk call […]

  • Highlands Ranch Race Series

    HRCA Oktoberfest 5K

    Highlands Ranch Town Center 9352 Dorchester St., Highlands Ranch, CO, United States

    Put on your lederhosen and sneakers as we kick-start the annual Highlands Ranch Community Association's Oktoberfest event in Town Center with the Oktoberfest 5K! This course is a mixture of […]

  • Emerald Mountain Trail Run

    Howelson Hill Steamboat Springs, CO, United States

    This races offers two distances on Emerald Mountain, 12k (ends up being closer to 7.75 miles long) and a 4 mile run. This scenic course will begin at the base […]

  • Colorado Brain Tumor 5K

    Sloan's Lake Park 1700 Utica Street, Denver, CO, United States

    The Colorado brain tumor community will come together for a 5K Walk/Run to raise awareness and funds to support the needs of patients with brain tumors and their families.

  • Science Stride 5K

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

    The Friends of the National Center Science Stride 5k brings together our community for a common cause: Inspiring the next generation of scientists! This event provides an excellent opportunity for […]

    $50
  • Colorado Brewery Running Series

    Oktoberfest 5K

    Prost Brewing Company 2540 19th St, Denver, CO, United States

    Join us for The Oktoberfest 5k at Prost Brewing on September 27, 2025, for a 5k-ish, fun run event that starts and ends at this awesome taproom in Northglenn. Run, […]

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