Event details subject to change. Please confirm all information via event website.

  • Eltuck Valley 5K

    Lory Summer Trail Series
    Lory State Park 708 Lodgepole Dr, Bellvue, CO, United States

    Join us each Tuesday evening in August for a fun series of shorter midweek trail races. Our goal is to offer a fun, low-key series of races designed to give […]

    $25
  • Eldorado Springs Run for the Cure

    Eldorado Canyon State Park 294 Artesian Drive, Eldorado Springs, CO, United States

    Founded in 1979, the Eldorado Run for the Cure is the longest operating charitable footrace in the State of Colorado. All proceeds from the annual four-mile run benefit the Colorado […]

    $30
  • High Five 100

    Lake City Town Park 231 Silver St, Lake City, CO, United States

    In 2018 local ultra runners of Lake City came together to create a challenge meant to shake even the most elite runners to their core. What we came up with […]

  • 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 […]

  • Jane Welzel Mountain Avenue Mile

    Civic Center Park - Fort Collins Fort Collins, CO 80521, Fort Collins, CO, United States

    What is better than one day of running? TWO days of running! The Choice City Running Event on August 5th and 6th at Civic Center Park in Fort Collins has something for everyone. Kick off a weekend with the Jane Welzel Mountain Avenue Mile on Friday evening! Continue running strong the following day with the Human Race Half Marathon, 10K, and 5K. The party continues both days in the park with live music, vendors and a New Belgium beer garden!

  • CMRA/RMRR 5K

    RMRR Trophy Series
    deKoevend Park 6315 S. University Blvd., Centennial, CO, United States

    Join us for the August Trophy Series race and picnic at deKoevend Park in Centennial.  This year our friends with the Colorado Masters will be joining us again for a […]

  • Ute 100

    Masons Draw Campground Forest Rd 4821, Moab, UT, United States

    The Ute 100 is the highest and most scenic race in Utah, taking runners on a breathtaking tour of the La Sal Mountains, Utah's second highest mountain range. The 100 […]

  • Emerald Mountain Epic

    Howelson Hill Steamboat Springs, CO, United States

    The Emerald Mountain Epic presented by Hard Headed attracts some of the nation's best mountain bike and trail running racers, while still offering incredible opportunities for athletes of all skill […]

  • Reece’s Roundup 5K/10K

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

    Join the Rubino Family at Philip S Miller Park in Castle Rock for the Annual Reece’s Roundup 5K/10K. This event supports Reece Rubino in his fight against Spinal Muscular Atrophy.

    $40
  • All-Out Runapalozza

    Apex Center 13150 W 72nd Ave, Arvada, CO, United States

    As those summer mornings are just beginning to cool, join us for a celebration to end the season and our 11th Annual Runapalooza! From the award winning Apex Center, these […]

  • Please click here to submit your event for FREE to our online calendar.
    We do not allow events without physical locations (IE – virtual runs, runs with locations TBD, etc…).
    Please allow 48 hours after submission for an event to appear on the calendar. If you have already listed your event and would like us to update it, please contact us.