Pioneer Prairie Dog Half Marathon
Westminster Promenade 10600 Westminster Blvd, WestminsterGet 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 Village13.1 mile trail race with nearly 1000 ft of elevation gain from Snowmass to Aspen
Heritage Days 5K
Mill Street Bistro 135 W Mill St, BayfieldEnjoy 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 ParkWith 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, MontroseThe 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, FruitaFruita 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, BroomfieldIf 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 […]
Tunnel Vision Duathlon
Centennial Park - Cañon City Cañon CityTunnel Vision is the only event of its kind in the Royal Gorge Region - a duathlon that pairs mountain biking with hiking/trail running. This event will feature a neutral […]
Emerald Mountain Trail Run
Howelson Hill Steamboat SpringsThis 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, DenverThe 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.
Canceled Emma Coburn’s Elk Run 5K
3rd St and Elk Ave - Crested Butte 303 Elk Ave, Crested ButteRegister now for Emma Coburn’s Elk Run 5k in Crested Butte CO! Registration includes a race bag with the OFFICIAL Elk Run 5k hat (can only get the hat by […]
Cabin Creek Fall 5K
Cabin Creek Brewing 577 Twenty-Second Street, GeorgetownJoin us for The Cabin Creek Fall 5k on September 28, 2024, for a 5k-ish, fun run event that starts and ends at this awesome taproom in Georgetown. Run, walk, […]
Mustang Music 5K
Kinard Middle School 3002 E Trilby Rd, Fort Collins5K DETAILS: The 5K features a chip-timed race designed to show the beauty of the neighborhoods by Kinard Middle School. Enjoy the music along the course provided by the Kinard […]
Miner Gold Rush 5K
Prospect Ridge Academy 2555 Preble Creek Pkwy, BroomfieldProspect Ridge Academy is thrilled to present our Annual Miner Gold Rush and Fall Festival! All proceeds will benefit Prospect Ridge Academy, a public charter school providing a rigorous, quality […]