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  • Boulder Sunrise Triathlon

    Boulder Reservoir 5565 N 51st St, Boulder, CO, United States

    Join us in celebrating the start of summer in the triathlon capital of the country, Boulder, CO. An athlete favorite with its breath-taking sunrise swim, fast bike and smooth run […]

  • SSPR TRYathlon

    Goodson Recreation Center 6315 S. University Blvd., Centennial, CO, United States

    Swim, bike, run for fun! This is the perfect starting point to try a tri. These races are about completion, not competition. All athletic levels are welcome. The only prerequisite is that you must […]

    $25.00

  • Boulder Sunrise 5K/10K

    Boulder Reservoir 5565 N 51st St, Boulder, CO, United States

    The Boulder Sunrise 10k & 5k Run has a reputation of being one of the most scenic courses around. BBSC will provide runners with a supported course, including plenty of […]

  • First Fridays 5K

    First Fridays 5K
    Festival Park 199 Perry St., Castle Rock, CO, United States

    Friday nights in the summer are made for spending time close to home, enjoying the beautiful weather, and unwinding from the long week. Why go anywhere else but Downtown Castle […]

  • July 4th ROCK-IT RUN

    Featured
    Douglas County Event Center 500 Fairgrounds Drive, Castle Rock, CO, United States

    Join Run to Change Lives at the Douglas County Event Center in Castle Rock for the 2nd Annual ROCK-IT RUN 5K, Half Marathon and 1K Little Rock-It RUN (8 years and under). It’s time to start a new tradition on July 4th and feel good about Changing Lives. Save 15% with coupon code CORUNNER.

  • July 4th Fun Run

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

    Run, skip, hop, gallop, lolly gag or moon walk on July 4th with your friends and family to support Palmer Lake Elementary School at the Annual July 4th Fun Run. […]

  • Freedom 5K

    Lincoln Park - Greeley 829 10th Ave, Greeley, CO, United States

  • Niwot Downhill Mile

    Niwot High School 8989 Niwot Road, Niwot, CO, United States

    Start off your July 4th with inaugural Niwot Downhill Mile! We are creating a community event to celebrate not only our independence, but also our resilience after a tough 2020. Come celebrate with friends, family, and our running community. Get ready to challenge your PR!

  • Let Freedom Run

    Louisville Recreation and Senior Center 900 Via Appia Way, Louisville, CO, United States

    Dress up as your favorite American Hero! This could be your mom, dad, Albert Einstein, Batman, Superman, or the Powerpuff girls! This event is all about celebrating GREAT people who […]

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