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  • Mighty Marmot Kids Trail Race #3

    Beaver Creek Ice Rink 60 Avondale Ln, Beaver Creek, CO, United States

    Come join the Vail Recreation District for the 3rd Annual Mighty Marmot Kids Trail Race Series! Youths ages 4 to 10 are welcome to participate. Chose between 1 or 2 miles* to compete […]

  • Flyin’ Ryan Memorial 5K

    Monfort Park 2122 50th Ave, Greeley, CO, United States

    Join us for the inaugural Flyin' Ryan Memorial 5k , a heartfelt event dedicated to honoring the memory of Ryan Vomacka, an exceptional athlete and individual who left an indelible […]

  • Arches Marathon

    Behind the Rocks Trailhead Moab, UT, United States

    Started in 2004 as a fall companion to the popular Canyonlands Half Marathon, Arches Half Marathon has hosted many runners on the road course. In 2021, Arches became a trail […]

  • Above the Clouds Ultra

    Woodland Park Middle School 600 E Kelley's Rd, Woodland Park, CO, United States

    Experience the amazing Colorado fall colors, fast and flowing singletrack of Rampart Reservoir and the spectacular sweeping views of America’s Mountain, Pikes Peak, in the inaugural Above the Clouds Ultra!

  • West Elk Trail Marathon

    Crawford State Park - Iron Creek Campground 40468 CO-92, Crawford, CO, United States

    The West Elk Challenge is a trail marathon during the peak of fall colors. Racers will start on the shores of Crawford Reservoir State Park and travel on gravel roads […]

    $85

  • Castle Rock Trail Festival

    Phillip S. Miller Park 1375 West Plum Creek Pkwy, Castle Rock, CO, United States

    Welcome to the Town of Castle Rock’s epic trail event. Come to challenge yourself on the vast ridgeline trail system and enjoy Castle Rock’s local trails. Trail run options range […]

  • Rim to Rim Royal Gorge Run

    Royal Gorge Bridge and Park 4218 Co Rd 3A, Cañon City, CO, United States

    Get ready for a ROYALly GORGEous experience! Whether you’re tackling the 5K, the 8-mile trail run, or the half marathon trail run, this event offers something truly special. All three […]

  • Not So Flatt Breast Cancer Awareness Run

    Standley Lake 10200 W 100th Ave, Westminster, CO, United States

    Join us for the Not So Flatt Breast Cancer Awareness Walk and Run.  In 2021, my father lost his fight against breast cancer so we have put together an annual […]

  • 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 […]

  • Big Waves 5K

    Lifetime Fitness - Westminster 397 W 148th Ave, Westminster, CO, United States

    Hi Friends of Big Waves! We are looking forward to having everyone back for our family 5k this year! We are going to do a superhero theme, so come dressed […]

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