Creede 100

Creede Historical Society Museum & Library 15 S Main St, Creede, CO, United States

The Creede 100 start and finishes in one of Colorado’s true historic mining towns. Creede once drew a rough and tumble crowd with its abundant silver, now we flock their […]

Denver CF Climb

Coors Field 2001 Blake St, Denver, CO, United States

Golddigger 5K

Clear Creek High School 185 Beaver Brook Canyon Rd, Evergreen, CO, United States

A 5K fundraiser for Clear Creek Cross Country in the mountains just west of the Denver area.

$30.00

Rocky Mountain 5K

America the Beautiful Park Cimino Dr, Colorado Springs, CO, United States

In partnership with the YMCA Pikes Peak Region, we want to bring you the annual Rocky Mountain Run, the Rocky Mountain State Games official 5k! Athletes will be looped around […]

Half K for Hope

Living the Dream Brewing Company 9150 Commerce Center Cir, Highlands Ranch, CO, United States

A 1640 ft "race"...It really is a thing. Do you like running...to the liquor store? Do you like seltzer, soda, beer, and donuts? This is the "race" for you!

Spirit of the West 5K

Kyffin Elementary 205 Flora Way, Golden, CO, United States

Please join the Westernaires for the Spirit of the West 5K run / walk and 1K Family Fun run on July 31st in Golden, CO.

$30

Dash for Smiles 5K

Stapleton Central Park 8801 Martin Luther King Jr Blvd, Denver, CO, United States

Dash For Smiles is dedicated to increasing awareness of cleft lip and palate, as well as raising funds to help families struggling with the financial difficulties of healthcare costs related […]

Steamboat Lake Sprint Triathlon

Steamboat Lake State Park 61105 RCR 129, Clark, CO, United States

After last summer this event instantly became a personal favorite for our staff, volunteers, and athletes - come find out why!  We couldn't be more excited about this course, this […]

$85 – $135

Canceled Two Brothers Up-and-Down 5K/10K

Courtney-Ryley-Cooper Park 2350 Colorado Blvd, Idaho Springs, CO, United States

Run your slowest 5K, then turn around and run your fastest at the Two Brothers Up-and-Down 10K on August 28th in Idaho Springs. This race climbs 1,800' in 5K and then turns around and goes back down!

Mile High Mile

Fairview High School 1515 Greenbriar Blvd, Boulder, CO, United States

Everyone can run the MILE! The 5th annual Mile High Mile is a high-energy event for runners of all ages and abilities. Big race atmosphere with a big expo, athlete […]

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.