Event details subject to change. Please confirm all information via event website.
Cheyenne Mountain Trail Race
Cheyenne Mountain State Park 410 JL Ranch Heights, Colorado Springs, CO, United StatesThis race benefits Achilles Pikes Peak, a local nonprofit that helps athletes with disabilities to enjoy the trails and live rich, active lives. Our 50K, 25K and 10K courses in Cheyenne Mountain State Park include some of the best trails on the Front Range. Runners will cross grassy meadows and pierce dark stands of timber […]
SOAR 5K
Welchester Elementary School 13000 W 10th Ave, Golden, CO, United StatesSoar like an eagle on this 5K Run (3.1 miles) that includes a scenic double loop course around Daniels Park and the Welchester Elementary community. Enjoy the challenge of lower grade hills in this event that is open to runners of all ages and abilities.
Bigfoot Half Marathon
Bond Park Macgregor Avenue, Estes Park, CO, United StatesA road half marathon & 5k in beautiful Estes Park, finishing downtown amidst the infamous Bigfoot Days Festival. This is a scenic run just outside Rocky Mountain National Park. Finish in Bond Park surrounded by live music, Bigfoot celebrities, and a FREE festival featuring 50+ vendors and booths. Once you're done racing, grab your first […]
RMRR Blue Heron Half Marathon and 5K
Riverdale Regional Park 9755 Henderson Road, Brighton, CO, United StatesThe Blue Heron Half Marathon and 5K courses are flat and fast, along the S Platte River. Along the way you will enjoy wildlife, placid waters, and scenic views. Join the Rocky Mountain Road Runners on April 24th at the Adams County Regional Park in Brighton.
Spring Runoff 10M
Dutch Clark Stadium 1000 W. Abriendo Ave, Pueblo, CO, United StatesThe 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 and largest running event. The American Driving Academy, a locale company, is the main sponsor of our race and a portion of race proceeds benefit […]
Unicorn 5K
Great Lawn Park 101 Yosemite St, Denver, CO, United StatesReady to gallop around Denver with some friends? Yeah, you are! Come frolic with us at the Unicorn Runner 5k at Great Lawn Park to kick off your spring running season! You'll earn a sweet tee shirt and a flashy unicorn finisher medal!
Dash and Dine 5K #1
Boulder Reservoir 5565 N 51st St, Boulder, CO, United StatesThe Dash & Dine 5k run, Boulder’s favorite spring tune-up run series is back for 4 races in May at the beautiful Boulder Reservoir in Boulder, CO.
Take 5 in the Garden of the Gods
Garden of the Gods Park 1805 N 30th St, Colorado Springs, CO, United StatesWho can turn down a morning in Garden of the Gods? We'll close the park to traffic, so runners can enjoy their race, traffic free! Choose between a 5k or 5 Mile course through the Garden of the Gods. Runners can choose between a road race or a trail race! Beginning in 2022, we've be […]
Greenland Trail Race
Greenland Open Space 1532 E Noe Rd, Larkspur, CO, United StatesThe Greenland Trail Race offers four outstanding distances in southern Douglas County. Run the 4 Miler, the 8 Miler, the 25K, or tackle the 50K ultramarathon, Colorado’s fastest 50K! With Pikes Peak as your backdrop, you’ll cruise over a soft dirt trail on your way to a new personal best. With chip timing, an innovative technical running shirt in men’s and women’s sizing, food and beer at the finish, this race will make you want to come back for more!
High Line Canal Run
deKoevend Park 6315 S. University Blvd., Centennial, CO, United StatesThe 45th Annual High Line Canal 5K & 10K race takes place along the beautiful High Line Canal Trail. Registration includes post-race pancake breakfast.
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.