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  • Dog Days of Summer 5K

    Dawson Park 1899 Harvard St, Longmont, CO, United States

    Come join us for a race around the entirety of beautiful Lake McIntosh! This 3.5 mile race is a half paved/half dirt course surrounded by wonderful mountain views, vast farmlands, […]

  • Strides For Change

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

    Join us on August 9th, 2025 at Sloan’s Lake for Strides for Change – a 5K for Youth Mental Health, presented by Resolute Counseling Center. This community-centered event is more than a […]

  • Cheesman Park Circuit

    Cheesman Park 1601 Race St., Denver, CO, United States

    Denver Athletics brings you the Denver Park Circuit Series- Three races at Denver's iconic city parks with the same format: One Lap As Fast As You Can Go!  Spring- The […]

  • Eldorado Springs Run for the Cure

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

    The Colorado Cancer Foundation returns to Eldorado Springs for its Classic 44th edition of the Eldorado Springs Run for the Cure 4 Mile on August 10th.

    $30

  • Weld County Commissioner’s Cup

    Weld County Administrative Building 1150 O St., Greeley, CO, United States

    This is a private event for Weld County employees and their families.  The race is not open to the general public.  Sorry!

  • Cheyenne Mountain Run

    Cheyenne Mountain State Park 410 JL Ranch Heights, Colorado Springs, CO, United States

    The Cheyenne Mountain Run in Colorado Springs will take place on October 8, 2022 and will feature 3 trail races: a 25K to the top of Cheyenne Mountain for the more advanced trail runner, a 10K for the experienced runners and a 5K trail run for all to enjoy.

  • Dash for Democracy 5K

    City Park - Denver 1700 N York St, Denver, CO, United States

    Dash for Democracy 2025 Our democracy is facing real threats—from voter suppression to attacks on fundamental rights. Now, more than ever, we must come together, take action, and defend the […]

  • The Fast and the Curious 5K/10K

    Santa Rita Park Camino Del Rio, Durango, CO, United States

    The Durango and Cortez Adult Education Center is delighted to announce our annual fun run! The Fast and the Curious is a 5k/10k run that not only celebrates physical fitness […]

  • Walk Like MADD

    Windsor Lake 100 N. 5th St., Windsor, CO, United States

    Walk Like MADD is MADD's signature fundraising event to help us raise both awareness and funds to end drunk driving and fight drugged driving. With every step taken and each […]

  • USAFA Half Marathon

    Farish Recreation Area 12005 Rampart Range Rd, Woodland Park, CO, United States

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