Firestorm 5K

Dakota Lodge - Ken Caryl Ranch 14422 W Ken Caryl Ave, Littleton, CO, United States

Wildfire Action Fund (WAF) is a non-profit organization committed to wildfire prevention, community education, and advocacy. The mission of the Firestorm 5k is to raise awareness about the importance of […]

Tater Trot 5K

Chapman Park 300 W Prospect Ave, Monte Vista, CO, United States

The Colorado Potato Festival will be kicking off at 8 AM on September 7th, 2024 at Chapman Park in Monte Vista with the annual Tater Trot 5K. This sponsored event […]

Imogene Pass Run

Ouray Ouray, CO, United States

The Imogene Pass Run (IPR) is a 17.1 mile point-to-point mountain race within the western San Juan mountains of Colorado. The course runs along a route which connects the towns […]

$60

Canceled Blue Shoe Run 5K

The Urology Center of Colorado 2777 Mile High Stadium Circle, Denver, CO, United States

Run, Walk or Sit! For your father, your husband, your brother, your friend, or for you! Join The Urology Center of Colorado Foundation for the 12th Annual Blue Shoe Run for Prostate Cancer on Saturday, September 18, 2021 in Denver.

Splashland Triathlon

Splashland Swimming pool 5895 CO. Hwy 17, Alamosa, CO, United States

Catch a glimpse of the Great Sand Dunes National Park with six 14’nrs in the background Mt. Blanca, Colorado’s 3rd highest peak overlooks the valley floor.

Historic Main Street 5K

Elizabeth Brewing Company 239 South Main Street, Elizabeth, CO, United States

Join us for this family-friendly event! The 5K run/walk will begin and end on Elizabeth’s historic Main Street, featuring a new and exciting course that crosses the reconstructed trail bridge […]

Holy Hammers Hustle for Habitat

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

Fun 3 mile walk benefitting Habitat for Humanity of Metro Denver.

CASA Superhero 5K

Two Rivers Park 388 Deveraux Road, Glenwood Springs, CO, United States

We invite you to join us for the sixth annual CASA Superhero Run at Two Rivers Park in Glenwood Springs. We recognize that all children need heroes, but abused children […]

$39.44

Cirque Series 14K

Arapahoe Basin Ski Resort 28194 US-6, Keystone, CO, United States

The race begins at 10,780' ft, starting at the base of Arapahoe Basin, Mountain Goat Plaza, head up to the High Noon parking lot, then to last chance.  You will […]

Horsetooth Open Water Swim

Horsetooth Reservoir 4200 W County Road 38 E, Fort Collins, CO, United States

Swim a 10K, 2.4 miles, 1.2 miles, 1000 meters, or 250 meters in the Horsetooth Reservoir.  The Horsetooth Open Water Swims incorporated as an independent 501(c)3 not-for-profit organization.  Our current […]

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.