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  • Running Up for Air

    Staunton State Park 12102 S Elk Creek Rd, Pine, CO, United States

    Running Up for Air unites our community over a shared passion for running and a desire to drive real, lasting change in the fight for cleaner air. Through endurance events […]

  • 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 […]

  • Westy Winter Waggle

    Winter Six Pack Series
    Westminster Promenade 10600 Westminster Blvd, Westminster, CO, United States

    It's the Westy Winter Waggle 5&10k! Come waggle with us along an accurately measured, professionally timed course where you're welcomed by super friendly volunteers who wanna waggle with ya in […]

  • Sweet Heart Run

    Fruita Community Center 324 N Coulson, Fruita, CO, United States

    This February, run your heart out, sweetheart! Choose between a 5K or 10K along the scenic Fruita Trail System, and don’t forget to dress up for the costume contest. After […]

  • Vail Mountain Winter Uphill

    Lionshead Gondola Vail, CO, United States

    Join us as skiers, snowboarders and winter runners tackle 2,200 vertical feet of groomed trails to reach Eagle's Nest at the top of the Eagle Bahn Gondola in Lionshead. The […]

  • Valentine’s Day 4 Mile

    Featured RunDenver Race Series
    Washington Park - Denver 701 S Franklin St, Denver, CO, United States

    The RunDenver Series is the original running series in Colorado and has been a staple for over three decades. Produced by HAL Sports, the series promises a fun time through […]

    $30 – $35

  • Super Sunday Fun Run

    South Suburban Race Series
    Reynolds Landing 6745 S. Santa Fe Drive, Littleton, CO, United States

    Bring the entire family to run or walk before the big game and enjoy a post-race party at Breckenridge Brewery Farmhouse. Runners and walkers of all ages and abilities are […]

  • Toyota Super Half Mararthon

    Pioneers Museum 215 South Tejon Street, Colorado Springs, CO, United States

    The streets and trails of downtown Colorado Springs are not exactly the “Frozen Tundra of Lambeau Field” but on Super Bowl Sunday, Feb.8, 2026, more than 1,500 runners will race […]

  • Valentine Twosome

    City Park - Pueblo 800 Goodnight Ave, Pueblo, CO, United States

    This is just a fun, casual race with optional costumes.  Grab your sweetheart, a friend or family member, just bring someone besides yourself, dress up in red, pink, any fun […]

  • Sweetheart Classic

    Loveland Aleworks 118 W 4th St, Loveland, CO, United States

    Sweetheart City Racing is excited to once again hold this year’s event. With a race start and awards in Downtown Loveland it will be right in the center of the […]

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