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  • Miles for Migraine 5K

    Great Lawn Park 101 Yosemite St, Denver, CO, United States

    Miles for Migraine will host its annual 2-mile Walk (or Intentional Movement of your choice), 5K Run and Relax Denver Event. This event is a fundraiser for Migraine & Headache […]

  • Just Peachy 5K

    Palisade Riverbend Park 451 Pendleton St., Palisade, CO, United States

    Join the Grand Junction Sports Commission for the Just Peachy 5K presented by Grand Valley Primary Care Palisade (Community Hospital) on Saturday, August 19th.  This fun 5K is great for […]

  • Erie Half & 5K

    Reliance Park 900 Weld County Road 1.5, Erie, CO, United States

    Join us for the Erie Half and 5k! The Hometown Race Series features half marathons and 5k distance events in outlying communities outside the Denver and Boulder metro areas. LOOK […]

  • Outdoor Divas Triathlon

    Union Reservoir 461 County Road 26, Longmont, CO, United States

    The Outdoor Divas Sprint Triathlon on August 21st, annually awarded best women's event in Colorado by Competitor Magazine, is the all women's triathlon you've been waiting for!  We intentionally keep […]

  • Race for Research 5K

    Washington Park - Denver 701 S Franklin St, Denver, CO, United States

    HOW THE RACE 4 RESEARCH STARTED Michele Plachy-Rubin was a young wife,  mother, and kindergarten teacher in the Denver Public Schools when she was diagnosed with brain cancer in December […]

  • Leadville Trail 10K

    Leadville Race Series
    Leadville 124 E. Sixth Street, Leadville, CO, United States

    This out-and-back course uses the first and last 3.1 miles of the LT100 Run course, featuring paved and dirt roads. Held the weekend of the historic Leadville Trail 100 MTB, […]

  • Into the Hills Eltuck 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 – $80

  • La Garita 200

    Brown Memorial Park 86 County Road 15, South Fork, CO, United States

    The La Garita 200 is Southern Colorado’s brand new 200 mile race held in the amazing La Garita mountains. The course consists of a giant loop starting in finishing and […]

  • Telluride Mountain Run

    Telluride Town Park 500 E Colorado Ave, Telluride, CO, United States

    The Telluride Mountain Run is a challenging and technical race in the San Juan Mountains above the beautiful historic mining town of Telluride, Colorado. With five challenging and technical routes, […]

  • Staunton Rocks! Trail Marathon

    Staunton State Park 12102 S Elk Creek Rd, Pine, CO, United States

    Welcome to the Staunton Rocks! Marathon & Half Marathon, an event put on by trail runners for trail runners on August 28, 2021. Touring the renowned singletrack of Staunton State Park in Colorado’s Front Range Mountains southwest of Denver, the race will take you back in time as you glide by historic buildings and old milling operations.

    $90 – $130

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