Event details subject to change. Please confirm all information via event website.
Leadville Trail 100
Leadville 124 E. Sixth Street, Leadville, CO, United StatesThe legendary “Race Across The Sky” 100-mile run is where it all started back in 1983. This is it. The race where legends are created and limits are tested. One […]
Mt Sneffels Half Marathon
Ouray Ouray, CO, United StatesThe Mt. Sneffels Half-Marathon and Kids Fun Run began 25 years ago. In 2021, the 10 K was added. The Race is the foundation’s major fundraising event of the year. It […]
Cheyenne Mountain Run
Cheyenne Mountain State Park 410 JL Ranch Heights, Colorado Springs, CO, United StatesThe Cheyenne Mountain Run in Colorado Springs will take place on October 8, 2022 and will feature 3 trail races: a 25K to the top of Cheyenne Mountain for the more advanced trail runner, a 10K for the experienced runners and a 5K trail run for all to enjoy.
Summer Sizzler 5K
Carpenter Park 3498 E 112th Ave, Thornton, CO, United StatesJoin us for the annual Summer Sizzler! Whether you are looking to run, walk or just enjoy the race SWAG this race is a sure thing for a great time […]
Dash for Democracy 5K
City Park - Denver 1700 N York St, Denver, CO, United StatesDash for Democracy 2025 Our democracy is facing real threats—from voter suppression to attacks on fundamental rights. Now, more than ever, we must come together, take action, and defend the […]
The Fast and the Curious 5K/10K
Santa Rita Park Camino Del Rio, Durango, CO, United StatesThe Durango and Cortez Adult Education Center is delighted to announce our annual fun run! The Fast and the Curious is a 5k/10k run that not only celebrates physical fitness […]
Walk Like MADD
Windsor Lake 100 N. 5th St., Windsor, CO, United StatesWalk Like MADD is MADD's signature fundraising event to help us raise both awareness and funds to end drunk driving and fight drugged driving. With every step taken and each […]
USAFA Half Marathon
Farish Recreation Area 12005 Rampart Range Rd, Woodland Park, CO, United StatesMiles for Migraine 5K
Great Lawn Park 101 Yosemite St, Denver, CO, United StatesMiles for Migraine will host its annual 2-mile Walk (or Intentional Movement of your choice), 5K Run and Relax Denver Event. This event is a fundraiser for Migraine & Headache […]
Grizzly 2 Mile
Thunder Ridge High School 1991 W Wildcat Reserve Pkwy, Highlands Ranch, CO, United StatesEvery year TRXC hosts a race to begin the season and celebrate ThunderRidge High School Cross Country. This season we will be holding a Grizzly 2-mile on the ThunderRidge campus […]
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