Moab Trail Marathon

Kane Creek Trailhead Moab, UT, United States

We are happy to announce that we will again be running Sundays 1/2 Marathon in addition to the traditional Saturday Races. So, you may run the 1/2 marathon on either […]

Miracle Run 5K

CSU Oval Fort Collins, CO, United States

Join us to run or walk a 5k to raise money for Dance Marathon at CSU! Dance Marathon is a student-led organization that works with Children's Hospital Colorado to fund […]

Colleen De Reuck XC Classic

Harlow Platts Community Park 1360 Gillaspie Drive, Boulder, CO, United States

The Colleen De Reuck Cross Country Classic is a XC meet honoring one of the world's greatest ever distance athletes and Boulder local, Colleen De Reuck. Every year we will celebrate […]

City Park 5K

City Park - Denver 1700 N York St, Denver, CO, United States

Get ready for the winter season while enjoying a race with your friends at the City Park 5k! Participants in both distances will receive a long-sleeved event t shirt. 5k […]

Trails 5K

Piney Creek Hollow Park 6410 S Tower Rd, Aurora, CO, United States

Our mission is to bring awareness and support the struggles of mental health of youth, teens, adults and families in our community.  Many battles are related to mental health including […]

Turkey Trails 5K/10K

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

Join us for the annual Turkey Trails 5k/10k!  A fun, Thanksgiving-themed event that is perfect for the whole family. The fun includes - Great Swag - designer shirt & custom […]

Sole Mates 5K

Shoes and Brews 63 S. Pratt Parkway, Unit B, Longmont, CO, United States

Shoes & Brews along with our "Sole Mates" Left Hand Brewing and Hoka present the 9th edition of our fall race series.  With a focus on community, running, beer and […]

Girls on the Run 5K

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

Each season comes to an end with a joyful and fun non-competitive 5K (3.1 miles). This culmination gives girls a tangible sense of accomplishment and the confidence to be the […]

Rim Rock Marathon

Colorado National Monument 2328 Monument Road, Grand Junction, CO, United States

Join the Grand Junction Sports Commission for a monumental run on Sunday, November 5th, 2023! Rim Rock is the only marathon and half marathon that runs through the Colorado National […]

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.