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  • Summit Trail Running Series IV

    Summit Trail Running Series
    Tom's Baby Trailhead 1283 Gold Run Rd, Breckenridge, CO, United States

    Explore the trails of Breckenridge this summer with the 23rd annual Summit Trail Running Series with each race followed by a post-race party! The Series consists of 5 trail races […]

  • Chile Harvest Triathlon

    Socorro City Pool 107 Franciso De Avad, Socorro, NM, United States

    The Socorro Chile Harvest Triathlon has been running for 25+ years!! This race is a 400 m swim in the City of Socorro pool, with a 20 km bike ride […]

  • Wild West Relay

    Budweiser Tour Center 2351 Busch Dr, Fort Collins, CO, United States

    The Wild West Relay is a scenic point to point running adventure across Colorado. Starting in Fort Collins, teams of any size or individuals, run over mountain passes, through open […]

  • Rocky Mountain 5K

    Stanley Park 380 Community Dr, Estes Park, CO, United States

    Escape to the mountains for some fresh air! With the Rocky Mountain Half Marathon, 5K, and Elk Double (half marathon + 5K) you can choose your own adventure! The Rocky […]

  • Rocky Mountain Half Marathon

    Stanley Park 380 Community Dr, Estes Park, CO, United States

    Escape to the mountains for some fresh air! With the Rocky Mountain Half Marathon, 5K, and Elk Double (half marathon + 5K) you can choose your own adventure! The Rocky […]

  • Backcountry Marathon

    Rio Grande Park Aspen, CO, United States

    Utilizing the beautiful trails that surround Aspen, and now offering three distances - 50K, marathon and heavy half-marathon, all of which run almost exclusively on dirt trails. For the first […]

  • Sheep Mountain Ultras

    Town of Fairplay Beach Beech Rd, Fairplay, CO, United States

    Make no mistake, the elevation profile for The Sheep Mountain 50 mile and 50k are docile looking. However, the average elevation of over 10,500’ and copious amounts of aggressive terrain, […]

  • Popsicle 5K

    Cottonwood Creek Park 3920 Dublin Blvd, Colorado Springs, CO, United States

    What better way to end these HOT summer days than with a Popsicle 5K, AND WE'VE ADDED A 10K & HALF MARATHON?!! Come join us for a 5K, 10K, or […]

  • Run for the Ring 5K

    Barbara Davis Center for Diabetes 1775 Aurora Ct., Aurora, CO, United States

    he Guild of the Children’s Diabetes Foundation hosts the 11th Annual Run for the Ring 5K Run/Walk and Kids Fun Run, bringing together the type 1 diabetes community and supporters […]

  • Flying Colors 5K

    Loudy Simpson Park 1009 S Ranney St, Craig, CO, United States

    Join us for an untimed Fun Run/Walk to benefit Hospice in our community.  The run will kick off a fun weekend in conjunction with the Moffat County Hot Air Balloon Festival.  […]

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