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

  • Vallecito Lake Heavy Half

    Vallecito Lake 17454 Co Rd 501, Bayfield, CO, United States

    The Vallecito Lake Heavy Half Marathon is a beautiful and scenic course around Vallecito Lake. Nestled in the heart of the San Juan Mountains in Colorado, our race course takes […]

  • Spirit Challenge

    Steamboat Springs Running Series
    Steamboat Springs Middle School 5100 Amethyst Drive, Steamboat Springs, CO, United States

    The Spirit Challenge Run for Autism offers three different distances, a 10k, 5k and Kid’s Fun Run. All races are on paved roads, except for the 5k which has a […]

  • Gluten Free Gallop

    Clement Park 7306 W. Bowles Avenue, Littleton, CO, United States

    Join Denver Celiacs to raise awareness of celiac disease and all gluten-related disorders. Our 13th Annual Gluten Free Gallop 5K will take place at Clement Park in Littleton, CO, on […]

  • Colfax 5K

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

    Come run City Park in the Colfax 5K!  Go for a PR in this chip-timed race – separate stroller-friendly start wave for families and walkers.  And, you can run with […]

  • Colfax Marathon

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

    New for our 20th Year! “WOW” at Every Mile To celebrate our 20th, every mile will have a WOW for runners. That moment every mile that gives you that WOW […]

  • Wild Horse Half Marathon

    High Lonesome Ranch 275 CR 222, De Beque, CO, United States

    Set against the breathtaking backdrop of the luxurious High Lonesome Ranch, this isn’t just a race—it’s a full weekend of adventure and celebration! Runners will enjoy a country cookout, campfires, live […]

  • Miles for Smiles 5K

    North Area Athletic Complex 19500 West 64th Pkwy, Arvada, CO, United States

    The Miles for Smiles 5K is a friendly event that begins and ends on the track at the North Area Athletic Complex (NAAC) in Arvada with a scenic trek along the Fairmount Trail in the middle. Join Right Start Events on May 15th, 2022 for this 5K and Adaptive Dash.

  • Samson’s Revenge Trail Race

    YMCA of the Rockies - Estes Park 2515 Tunnel Rd., Estes Park, CO, United States

    Samson was the celebrity elk of the Rockies until he was illegally poached in 1995 on YMCA grounds. Our race runs on Samson's home turf, The YMCA of the Rockies, […]

  • Narrow Gauge 10 Mile

    Fort Lewis College 1000 Rim Dr, Durango, CO, United States

    Since 1978 the Narrow Gauge 10 Mile Run has been one of Durango’s oldest Memorial Day traditions. The 10-mile course showcases the Fort Lewis College rim, the Animas River Trail […]

  • BolderBoulder 10K

    Folsom Field 2400 Colorado Ave, Boulder, CO, United States

    We’re not sure when or how it happened, but somewhere along the way our little run in Boulder, CO turned into an event of epic proportions. We like to think […]

    • 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: 36