Highlands Ranch 5K/10K

Highland Heritage Park 9651 S Quebec St, Highlands Ranch, CO, United States

Winter never disappoints us when racing in February in Highlands Ranch! You won't feel chilly after a course so hilly! After conquering the 5k or 10k distance, warm up with […]

PPRR Nielson Challenge

North Monument Valley Park 1794 Culebra Ave., Colorado Springs, CO, United States

Race Format The first time you run this event, you'll establish a base time for yourself. This base time is used to generate a handicap time. The handicap time is […]

PPRR Nielson Challenge

North Monument Valley Park 1794 Culebra Ave., Colorado Springs, CO, United States

Race Format The first time you run this event, you'll establish a base time for yourself. This base time is used to generate a handicap time. The handicap time is […]

Time to Paddy Race

Bear Creek Lake Park 15600 W Morrison Rd, Lakewood, CO, United States

Join us for the annual Time to Paddy 5k/10k and Lucky 13.1 Half Marathon! A St. Patrick-themed run that is perfect for the whole family. The fun includes great swag […]

Time to Paddy Race

Cottonwood Creek Park 3920 Dublin Blvd, Colorado Springs, CO, United States

Join us for the annual Time to Paddy 5k/10k and Lucky 13.1 Half Marathon! A St. Patrick-themed run that is perfect for the whole family. The fun includes great swag […]

Spring Runoff 10M, 10K, 5K

Dutch Clark Stadium 1000 W. Abriendo Ave, Pueblo, CO, United States

The American Driving Academy and the Southern Colorado Runners welcome you to the 48th Annual Spring Runoff Sunday, March 2nd, 2025. Join us for the 48th edition of Pueblo’s oldest […]

Run Through Time Marathon

Salida Scout Hut 210 East Sackett Avenue, Salida, CO, United States

The Annual Run Through Time Marathon, Half Marathon, and 2 Mile Run will take place on Saturday, March 11, in Salida, CO. These beautiful, challenging courses are run on dirt/jeep […]

Winter’s End Snowshoe Races

Granby Ranch 1000 Village Rd, Granby, CO, United States

The Winter’s End Snowshoe Races is an exciting winter running adventure that takes place at the beautiful Granby Ranch Resort in Granby, CO. The races are open to runners of […]

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.