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

Events Search and Views Navigation

Event Views Navigation

Filters

Changing any of the form inputs will cause the list of events to refresh with the filtered results.

Today

  • Run the Rocks 5K/10K

    Red Rocks Amphitheatre 18300 W Alameda Pkwy, Morrison, CO, United States

    Let every step you take make a profound impact on lung health and clean air in Colorado! The American Lung Association in Colorado proudly offers the only timed race event […]

  • Joy & Justice 5K

    Timnath Reservoir 5824 County Rd 40, Timnath, CO, United States

    Join us for the Race for Joy & Justice 5K, a family-friendly run/walk event benefiting the Joy & Justice organization based in Timnath, Colorado. This exciting event brings together people […]

  • Boulder Skyline Traverse

    Runners Roost - Boulder 629 S Broadway, Boulder, CO, United States

    The Boulder Skyline Traverse is a ~18 mile trail route that covers the 5 peaks of Boulder (South Boulder Peak, Bear Peak, Green Mountain, Flagstaff Mountain, and Mt. Sanitas). You'll […]

  • Blue Sky Trail Marathon

    Blue Sky Trailhead County Road 38e, Fort Collins, CO, United States

    Taking place on the trails between Horsetooth Mountain Park and the Devil’s Backbone Open Space, the Blue Sky courses take you on a north-south tour of the easternmost hogbacks of […]

    $90 – $130

  • Cowboy Half Marathon

    Mancos Public Library 211 W. 1st, Mancos, CO, United States

    With a new race date for 2021, the Mancos Cowboy Half Marathon and 5k is a beautiful and scenic course with a mix of pavement, dirt road, and trail.  Grab […]

  • CSU Homecoming 5K

    CSU Oval Fort Collins, CO, United States

    The Homecoming Race will take place on the Oval for our traditional course. All ages and abilities are welcome. Proceeds from the Homecoming Race benefit the ongoing research efforts and […]

  • Great Trailhead Foot Race

    Bear Creek Lake Park 15600 W Morrison Rd, Lakewood, CO, United States

    Don't miss the Great Trailhead Foot Race at Bear Creek Lake Park!  Featuring legitimate TRAILS in the shadow of Denver's skyline, you'll love the single-track and dirt as you race […]

  • Run Fur Fun Spooktacular 5K

    Odell Brewing Company 800 East Lincoln Avenue, Fort Collins, CO, United States

    Our Run Fur Fun 5k starts and ends at Odell Brewing Company in Fort Collins. Don't forget to wear a costume for the costume contest, enjoy the eclectic tunes of The Sugar […]

  • Canceled Run With The Panthers 8K

    Nederland High School 597 Co Hwy 130, Nederland, CO, United States

    Come join us at 8,410' for a fun and fast 8,410meter road race! This is a fun and welcoming local race benefiting the Nederland Middle/Senior High School PTA. This is […]

  • South Suburban Race Series

    Hoofin’ It Through the Hollows 5K

    deKoevend Park 6315 S. University Blvd., Centennial, CO, United States

    Runners of all ages and abilities, families, and dogs are all welcome to join us for this Halloween celebration!  Dress in your Halloween best for a chance to win prizes at the […]

    • Please click here to submit your event for FREE to our online calendar.
    We do not allow events without physical locations (IE – virtual runs, runs with locations TBD, etc…).
    Please allow 48 hours after submission for an event to appear on the calendar. If you have already listed your event and would like us to update it, please contact us.

    Views: 5