CMRA Clear Creek 5K

Prospect Park W 44th Avenue and Robb Street, Wheat Ridge, CO, United States

This race will head west from Prospect Park on the Clear Creek trail on the north side of Clear Creek. There will be a turnaround and part way back there is a bridge crossing where runners will run on a dirt path on the south side of the creek. There will be another bridge crossing […]

Diabetes Link 5K

VAC Plaza at the University of Colorado 1085 18th Street, Boulder, CO, United States

The Diabetes Link at CU Boulder is a student organization committed to connecting students effected by diabetes in order to create a supportive community where we can learn from each other, and raise awareness about diabetes. We are excited to put on our first 5k run/walk fundraiser on Sunday April 16th at CU Boulder's campus!

Royal Gorge Groove Trail Runs

Royal Gorge Ranch and Resort 1 Buckskin Joe Parkway, Cañon City, CO, United States

Prepare for some fun in Cañon City! Enjoy scenic views along the rim of the Royal Gorge, 900 feet above the Arkansas River. All races will start/finish at the Royal Gorge Ranch & Resort. Distances include a 50K, 30K, 20K, 12.5K, 5K and Kids Run. Make a weekend out of it with river rafting and […]

Time Travel Half Marathon

Westminster Promenade 10600 Westminster Blvd, Westminster, CO, United States

Roads? ....where we're going we don't need roads! Celebrate kicking off the New Year right and come Time Travel through our events! You’ll be doing the hustle through the far-out miles of this tubular race man! With all the other cool groovy chicks and dudes joining you on this radical run. So grab your cool […]

Strut for Mutts 5K

Taughenbaugh Fields 300 E 30th St, Rifle, CO, United States

It is the Journey Home Animal Care Center's Strut for Mutts!

Earth Day 5K/10K

Lakes at Centerra 2725 Rocky Mountain Ave, Loveland, CO, United States

The Loveland Classic 5k, 10k, & Kids 1 Mile features a beautiful course on the Centerra Trails around Equalizer & Houts Lakes. After you cross the finish line, be sure to stick around for an after party featuring a coffee truck, local vendors, and overall and age group awards. This event is a fundraiser for […]

Five Star 5K

Riverdale Regional Park 9755 Henderson Road, Brighton, CO, United States

Adams 12 Five Star Schools is invested in the Whole School, Whole Community, Whole Child (WSCC) approach to education and is committed to ensuring that all students are safe, supported, healthy, engaged, and challenged. This event is an opportunity for the Five Star Community to come together and celebrate this commitment to the overall well-being […]

Great Western Trail Race

Severance Community Park 100 Waterfowl Way, Severance, CO, United States

The Great Western Trail is a wide unpaved trail located in rural Weld County in Northern Colorado. The trail connects to the Windsor Trail system on the northeast edge of the Town of Windsor, traveling north to the Town of Severance. From Severance, the trail curves east, and runs through open agricultural lands 7.5 miles […]

Woody’s Tortoise And Hare 5K

Fountain Creek Regional Park 2010 Duckwood Road, Fountain, CO, United States

This race is a true handicap event in that it measures your fitness level based on your age, sex, height and weight! Following a victory at the Boston Marathon, Bill Rodgers said that his effort to run a 2:10 was not nearly as difficult as the effort of those who were “out there for 4 […]

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.