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  • 6 Dot Dash

    Colorado Center for the Blind 2233 W Shepperd Ave, Littleton, CO, United States

    The National Federation of the Blind of Colorado 6 Dot Dash presented by Comcast is an annual 5k event to raise awareness and funds for the National Federation of the Blind of Colorado/Colorado Center for the Blind.  Your support helps provide Braille literacy and blindness skills training, scholarships for deserving blind students, summer camps for […]

  • Jag Jog 5K

    Jefferson Academy Elementary School 9955 Yarrow St, Westminster, CO, United States

    Walk, run or skip across the finish line as we welcome back the Jag Jog to the JA community! Sponsored by the Foundation for JA, this family-favorite, K-12 community event features a timed 5K, 1-Mile Family Dash and a Community Expo. It will take place on the elementary campus, with the race portions on the Dry […]

  • Canceled Run4One 4K

    Fox Run Regional Park Colorado Springs, CO, United States

    Walk in their shoes, Run for their future! Join us for the 1st annual 4K run/walk and .5 mile kids race with Ethiopian inspired obstacles! One Love is a Colorado based non-profit dedicated to educate enrich, and empower children and families in Addis Ababa, Ethiopia. Run4One is an experience designed to give a glimpse into […]

  • Das Bier Burner 5K

    Keystone Resort 133-141 Dercum Square, Keystone, CO, United States

    The Das Bier Burner 5k Fun Run is BACK at Keystone after a 4-year hiatus, on August 31, 2024. Join the Yeti and other runners on a scenic course of rolling hills that starts and finishes in Keystone's iconic River Run Village. Race towards the finish where a free beer for all runners 21+ (or […]

    $20 – $40

  • Breck Crest Mountain Marathon

    The Maggie 575 S Park Ave, Breckenridge, CO, United States

    The Breck Crest is quintessential Breckenridge. The Ten Mile Range is our backdrop for this breathtaking trail race, offering up some of the best Colorado views, while finishing in the heart of historic downtown Breckenridge. This year we will only offer a half marathon and 10K.

  • PPRR Nielson Challenge

    PPRR Nielson Challenge

    North Monument Valley Park 1794 Culebra Ave., Colorado Springs, CO, United States

    Race Format The first time you run this event, you'll establish a base time for yourself. This base time is used to generate a handicap time. The handicap time is calculated using an algorithm developed by Bob Royse, and it's geared to favor a beginning runner and the slower runners. Click here for an explanation of the […]

  • Firestorm 5K

    Dakota Lodge - Ken Caryl Ranch 14422 W Ken Caryl Ave, Littleton, CO, United States

    Wildfire Action Fund (WAF) is a non-profit organization committed to wildfire prevention, community education, and advocacy. The mission of the Firestorm 5k is to raise awareness about the importance of wildfire prevention, promote community engagement, and raise funds to support our wildfire prevention initiatives and educational programs.

  • Alberta Peak Challenge

    Wolf Creek Ski Area US-160 E, Pagosa Springs, CO, United States

    The Alberta Peak Challenge is a 4-mile and 12-mile trail race that starts and finishes at the base area of Wolf Creek Ski Area. The race course follows the gravel roads, double-track and single-track trails within and around the ski area boundary including portions of the Continental Divide and Treasure Mountain trails. Bring your climbing […]

    $110

  • Canceled Blue Shoe Run 5K

    The Urology Center of Colorado 2777 Mile High Stadium Circle, Denver, CO, United States

    Run, Walk or Sit! For your father, your husband, your brother, your friend, or for you! Join The Urology Center of Colorado Foundation for the 12th Annual Blue Shoe Run for Prostate Cancer on Saturday, September 18, 2021 in Denver.

  • Arapahoe County 5K Trail Run

    17 Mile Horse Farm Park 8181 S. Parker Rd, Centennial, CO, United States

    Lace up your sneaks for a timed 5K race beginning at Tagawa Gardens and running along the Cherry Creek Regional Trail. Walkers and all ages welcome! Funds support trail maintenance and Arapahoe County Open Spaces. BBQ and live bluegrass at the finish line!  

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