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  • Featured RunDenver Race Series

    That DAM Run Half Marathon

    Cherry Creek High School 9300 E Union Ave, Greenwood Village, 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 – $75

  • Time to Paddy Race

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

    Join us for the annual Time to Paddy 5k/10k and Lucky 13.1 Half Marathon! A St. Patrick-themed run that is perfect for the whole family. The fun includes great swag […]

  • Tortiose & Hare Race Series

    Tortoise & Hare 10K

    Lee Martinez Park Fort Collins, CO, United States

    The Tortoise & Hare (T&H) is a low-key “handicap” series of seven races that are run monthly from October to April, typically on the first or second Sunday of the […]

  • 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 […]

  • Run Through Time Marathon

    Salida Scout Hut 210 East Sackett Avenue, Salida, CO, United States

    The Annual Run Through Time Marathon, Half Marathon, and 2 Mile Run will take place on Saturday, March 11, in Salida, CO. These beautiful, challenging courses are run on dirt/jeep […]

  • Lucky Brew Race

    Eastman Park 7025 Eastman Park Dr, Windsor, CO, United States

    Start your St. Patrick's celebration with either a 5k, 10k or 15k on the Kyger and Poudre River Trail. All participants will receive chip timing, free finish line video footage […]

  • Front Range Freeze

    Sharin O’ The Green 5K

    Washington Park - Fort Collins 301 Maple St, Fort Collins, CO, United States

    This 5k has the luck of the Irish! Bring the kids and the pup for a fun event filled with craft beer, miles of smiles, and memories to last a lifetime at Odell Brewing Company in Fort Collins on March 11, 2023.

  • Erin Go Braugh 7.77K

    Westminster Promenade 10600 Westminster Blvd, Westminster, CO, United States

    Join us for the annual Erin Go Bragh 7.77k! This is THE LUCKIEST race on earth! There may not be a real pot of gold at the finish line of […]

  • Krueger Family Shamrock Shuffle

    Vail Golf Club 1778 Vail Valley Drive, Vail, CO, United States

    The annual Vail Recreation District Krueger Family Shamrock Shuffle short and long races and the kids' fun run will celebrate all things green in the spirit of St. Patrick’s Day! […]

  • Canyonlands Half Marathon

    Scenic HWY 128 along Colorado River 36 S 100 E, Moab, UT, United States

    The first Canyonlands Half Marathon was run on May 1, 1976 had just 22 finishers, including a dog. Today, thousands of runners come together in March to enjoy the scenic […]

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