Eldorado Springs Run for the Cure

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

The Colorado Cancer Foundation returns to Eldorado Springs for its Classic 44th edition of the Eldorado Springs Run for the Cure 4 Mile on August 10th.

$30

San Juan Softie 100

Durango Nordic Center 49786 Hwy 550 N, Durango, CO, United States

The softest 100 miler in the San Juans This 100 mile ultra marathon starts and finishes just north of Durango, Colorado. The race will take you through some of the […]

Leadville Trail 100

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

The 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 States

The 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 […]

Summer Sizzler 5K

Westfield Village Park 115th & Sheridan Blvd., Westminster, CO, United States

Join 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 […]

Cheyenne Mountain Run

Cheyenne Mountain State Park 410 JL Ranch Heights, Colorado Springs, CO, United States

The 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.

$5 – $100

Valley 5000

Mehaffey Park 3285 W 22nd St, Loveland, CO, United States

With over 300 runners expected and even more spectators, this will be an amazing year for the 39th Valley 5000, hosted by Sweetheart City Racing. This run/walk is scheduled to […]

Miles for Migraine 5K

Great Lawn Park 101 Yosemite St, Denver, CO, United States

Miles 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 […]

Summer Sizzler 5K

Cottonwood Park 8830 Apache Plume Dr, Parker, CO, United States

Join us on July 15th, 2023 for the annual Summer Sizzler, featuring the amazing scenery of America the Beautiful Park!  Whether you are looking to run, walk or just enjoy […]

Erie Half

Reliance Park 900 Weld County Road 1.5, Erie, CO, United States

Join us for the Erie Half and 5k! The Hometown Race Series features half marathons and 5k distance events in outlying communities outside the Denver and Boulder metro areas. LOOK […]

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