Event details subject to change. Please confirm all information via event website.
Cheesman Park Circuit
Denver Athletics brings you the Denver Park Circuit Series- Three races at Denver's iconic city parks with the same format: One Lap As Fast As You Can Go! Spring- The […]
Weld County Commissioner’s Cup
This is a private event for Weld County employees and their families. The race is not open to the general public. Sorry!
Dash for Democracy 5K
Dash for Democracy 2025 Our democracy is facing real threats—from voter suppression to attacks on fundamental rights. Now, more than ever, we must come together, take action, and defend the […]
The Fast and the Curious 5K/10K
The Durango and Cortez Adult Education Center is delighted to announce our annual fun run! The Fast and the Curious is a 5k/10k run that not only celebrates physical fitness […]
Walk Like MADD
Walk Like MADD is MADD's signature fundraising event to help us raise both awareness and funds to end drunk driving and fight drugged driving. With every step taken and each […]
USAFA Half Marathon
Grizzly 2 Mile
Every year TRXC hosts a race to begin the season and celebrate ThunderRidge High School Cross Country. This season we will be holding a Grizzly 2-mile on the ThunderRidge campus […]
Buffalo Run 5K
Held during Grand Lake's iconic Buffalo Days weekend, the Buffalo Run 5k route passes through the charming town of Grand Lake, along the scenic shores of Colorado's highest and deepest […]
Race for Research 5K
The Annual Cancer League of Colorado Race for Research 5K is excited to be back to the full event you love at Washington Park in Denver! The Race for Research […]
Impact Uganda 5K/10K
UPDATE: New Route and New Swag The new route starts at the same location and avoids crossing streets. Check out the new SWAG for this year. The Fifth Annual Impact Uganda Fun […]
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.