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  • Pride 5K

    Cheesman Park 1601 Race St., Denver, CO, United States

    The Denver Pride 5K is more than just a race—it's a powerful way for supporters of The Center on Colfax to make a difference in the lives of Colorado’s LGBTQ+ […]

  • Leadville Trail Marathon

    Leadville Race Series
    Leadville 124 E. Sixth Street, Leadville, CO, United States

    Run through the historic mining district’s challenging old mining roads and trails, and hit a high of 13,185 feet at Mosquito Pass during the Leadville Trail Marathon or Heavy Half […]

  • Before The Fourth 5K

    Clement Park 7306 W. Bowles Avenue, Littleton, CO, United States

    Come join the Before The Fourth 5k for some healthy fun in Clement Park. The park is located just south of Denver, in Littleton, Colorado. This is a great opportunity […]

  • SBT TRL

    This is a trail run on the scenic single track trails of historic Howelsen Hill. Held in conjunction with the SBT GRVL bike event, this will be a lot of […]

  • Walk For Hope! 5K

    Old Canal Park 2725 Rocky Mountain Ave, Loveland, CO, United States

    This walk is about showing up for those in our community who have experienced breast cancer, are in treatment, and those we honor and remember. Stand alongside our clients, ambassadors, […]

    $45

  • Estes Park Backyard Ultra

    Estes Park High School 1600 Manford Ave, Estes Park, CO, United States

    The Backyard Ultra with the views. ​ The Backyard Ultra is a form of Ultra race where runners must complete 4.167 miles in less than one hour, every hour, until only one […]

  • Vitality Walk

    Vitality Walk
    Restoration Church 411 S Walsh Dr, Casper, WY, United States

    Your participation in Vitality Walk helps Parkinson Association of the Rockies (PAR) push boundaries and invest in programs and services that are a lifeline to those with Parkinson’s, their Care […]

  • Wild Provisions 5K

    Colorado Brewery Running Series
    Wild Provisions Beer Project 2209 Central Avenue, Boulder, CO, United States

    Join us for the Wild Provisions 5k on June 27, 2026, for a 5k-ish, fun run event that starts and ends at this awesome taproom in Boulder. Run, walk, jog […]

  • Pearl Street Mile

    Mountain Sun Pub and Brewery 1535 Pearl St, Boulder, CO, United States

    Join Troop Events on Saturday August 6th for the 25th annual Pearl Street Mile, a criterium multi-lapped course that starts on Spruce St, and completes 3.75 laps around the Boulder Court House and up the Pearl Street Mall. This year, the race is the USATF Colorado One Mile Championships! There will be a Kids 800m, Family and Friends 1-Mile, time based 1-Mile waves, Masters 1-Mile races, and Elite Open 1-Mile races.

    $35

  • Chase the Moon Trail Race

    Mountain Vista High School 10585 Mountain Vista Ridge, Highlands Ranch, CO, United States

    Chase the Moon is a 12-hour team relay and solo ultramarathon, run overnight under the light of the full moon in the Highlands Ranch Backcountry trail system (we promise some […]

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