HRCA Wildcat Mountain Trail Races
Rocky Heights Middle School 11033 Monarch Blvd, Highlands Ranch, CO, United StatesThe Wildcat Mountain trail races take place starting at the Douglas County East/West trailhead at Rocky Heights Middle School and run along the E/W trail to the beautiful HRCA Backcountry […]
Pioneer Prairie Dog Half Marathon
Westminster Promenade 10600 Westminster Blvd, Westminster, CO, United StatesGet out to enjoy the crisp autumn air at the Pioneer Prairie Dog Half & 5k/10k! We will be celebrating autumn at the Start/Finish line located at the beautiful Westminster […]
Golden Leaf Half Marathon
Fanny Hill 120 Lower Carriage Way, Snowmass Village, CO, United States13.1 mile trail race with nearly 1000 ft of elevation gain from Snowmass to Aspen
Heritage Days 5K
Mill Street Bistro 135 W Mill St, Bayfield, CO, United StatesEnjoy a beautiful, fun 5k after watching the sheep come through town, and the parade. We will start at the end of the parade on Mill Street and end at […]
Rut Run 5K
Bond Park Macgregor Avenue, Estes Park, CO, United StatesWith the Fall Season, Estes Park shines in colors and wilderness experiences! Herds of Elk begin to roam the meadows and open fields; while sounds of bugling Bull Elk call […]
Black Canyon Triathlon
Montrose Community Recreation Center 16350 Woodgate Rd, Montrose, CO, United StatesThe Montrose Recreation Foundation proudly presents the 22nd Annual Black Canyon Triathlon will be held Saturday, September 30, 2023. This event attracts about 200 athletes and their families annually to […]
Mesa County Search & Rescue 5K
Snooks Bottom Open Space 915 Diana Ct, Fruita, CO, United StatesFruita Fall Festival - Mesa County Search & Rescue 5K Race HOSTED BY MESA COUNTY SEARCH AND RESCUE SUPPORT OUR MISSION TO RESCUE AND SAVE LIVES EARLY REGISTATION $35 / […]
Run for the Angels 5K
Rocky Mountain Metro Airport 11001 Control Tower Road, Broomfield, CO, United StatesIf you've ever wanted to run on an airport, this is your chance! Angel Flight West is proud to present the Run for the Angels 5k! Angel Flight West is […]
Emerald Mountain Trail Run
Howelson Hill Steamboat Springs, CO, United StatesThis races offers two distances on Emerald Mountain, 12k (ends up being closer to 7.75 miles long) and a 4 mile run. This scenic course will begin at the base […]
Colorado Brain Tumor 5K
Sloan's Lake Park 1700 Utica Street, Denver, CO, United StatesThe Colorado brain tumor community will come together for a 5K Walk/Run to raise awareness and funds to support the needs of patients with brain tumors and their families.
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.