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

  • 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 […]

  • Crazy Cloverleaf

    Chatfield State Park 11500 N Roxborough Park Road, Littleton, CO, United States

    We host one race per month from November to March.  All races are at Chatfield State Park and start at 9:00 am on Saturday mornings.  Check-in starts at 8:15 am.

  • 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 […]

  • IACP 5K Fun Run

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

    Lace up and join us for the IACP 5K Fun Run at the 2025 International Association of Chiefs of Police Conference in Denver! This lighthearted, non-competitive run is your chance […]

  • Crimson Classic 5K

    University of Denver - Carnegie Green Lawn 2150 East Evans Ave, Denver, CO, United States

    The University of Denver's Annual Crimson Classic 5K Run/1.5 Mile Walk will take place on Carnegie Green Lawn. Music, stretching, and snacks will start at 2:15pm. The focus of the […]

  • Trick or Trot 5K

    Apex Center 13150 W 72nd Ave, Arvada, CO, United States

    Join the Apex Park and Recreation District Foundation for the inaugural Trick or Trot 5K! Runners and walkers of all ages and abilities are all welcome to join us for […]

  • Spooky Sprint 5K

    Carpenter Park 3498 E 112th Ave, Thornton, CO, United States

    Get ready to lace up your sneakers (or your costume!) for Almost Home’s first-ever Spooky Sprint 5K! Join us on Saturday, October 25, 2025 at Margaret Carpenter Park in Thornton […]

  • YMCA Creepy Crawl 5K

    Palmer Lake Regional Park 199 County Line Road, Palmer Lake, CO, United States

    Our annual "spooky themed" race starts at the Palmer Lake Regional Recreation Area.  We head down the scenic Santa Fe Trail for a bit then turnaround and finish with a […]

    • 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: 19