Event details subject to change. Please confirm all information via event website.
Dash for Democracy 5K
City Park - Denver 1700 N York St, Denver, CO, United StatesDash 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 values that define us. Join us for the 2025 Dash For Democracy 5K Run/2K Walk —a critical fundraising event to support the Democratic Party of Denver! Every […]
The Fast and the Curious 5K/10K
Santa Rita Park Camino Del Rio, Durango, CO, United StatesThe 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 but also highlights cognitive fitness. In this way, the race spotlights our dedication to education as well as the irrefutable link between physical health and […]
Walk Like MADD
Windsor Lake 100 N. 5th St., Windsor, CO, United StatesWalk 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 dollar raised, walkers are supporting MADD’s lifesaving mission to keep our families and communities safe.
USAFA Half Marathon
Farish Recreation Area 12005 Rampart Range Rd, Woodland Park, CO, United StatesMiles for Migraine 5K
Great Lawn Park 101 Yosemite St, Denver, CO, United StatesMiles for Migraine will host its annual 2-mile Walk (or Intentional Movement of your choice), 5K Run and Relax Denver Event. This event is a fundraiser for Migraine & Headache Awareness, Treatment & Research. It's more than a walk/run - come connect with your local migraine & headache community, listen to our speakers & visit sponsors […]
Grizzly 2 Mile
Thunder Ridge High School 1991 W Wildcat Reserve Pkwy, Highlands Ranch, CO, United StatesEvery 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 to get the season going! We are excited to give the community the opportunity to contribute to the program and race on campus. Please register […]
Buffalo Run 5K
Grand Lake Center 301 Marina Dr, Grand Lake, CO, United StatesHeld 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 natural lake, and past historic landmarks for one of the most unique races you'll ever experience! The race starts and ends at the Grand Lake […]
Summer Sizzler 5K
Cottonwood Creek Park 3920 Dublin Blvd, Colorado Springs, CO, United StatesJoin us on July 15th, 2023 for the annual Summer Sizzler, featuring the amazing scenery of America the Beautiful Park! Whether you are looking to run, walk or just enjoy the race SWAG this race is a sure thing for a great time and an incredible experience! This is a fun, family event for all […]
Erie Half
Reliance Park 900 Weld County Road 1.5, Erie, CO, United StatesJoin us for the Erie Half and 5k! The Hometown Race Series features half marathons and 5k distance events in outlying communities outside the Denver and Boulder metro areas. LOOK UP! At the Erie event, we often see the early morning skies with dotted with delightfully colorful hot-air balloons. Whatever distance you're ready to tackle, […]
Race for Research 5K
Washington Park - Denver 701 S Franklin St, Denver, CO, United StatesThe 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 raises money for the Cancer League of Colorado, a non-profit charitable organization that is run entirely by volunteers with no paid staff or offices. The […]
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.