Event details subject to change. Please confirm all information via event website.
RexRun 5K for PAWSitivity
Arapahoe County Fairgrouds 25690 E Quincy Ave, Aurora, CO, United StatesThe RexRun 5K is a 5K run/walk to spread mental health awareness and #PAWSitivity in schools with the help of more Therapy K-9's like Arapahoe County Sheriff's Office K-9 Rex. This year's event is at Dove Valley Park in Centennial on August 6th.
HRCA Wildcat Mountain Trail Races
Rocky Heights Middle School 11033 Monarch Blvd, Highlands Ranch, CO, United StatesThe Wildcat Mountain trail races take place starting at the Douglas County East/West trailhead at Rocky Heights Middle School and run along the E/W trail to the beautiful HRCA Backcountry Wilderness Area Wildcat Mountain trail system. 10 Mile and 10K
PPRR Nielson Challenge
North Monument Valley Park 1794 Culebra Ave., Colorado Springs, CO, United StatesRace Format The first time you run this event, you'll establish a base time for yourself. This base time is used to generate a handicap time. The handicap time is calculated using an algorithm developed by Bob Royse, and it's geared to favor a beginning runner and the slower runners. Click here for an explanation of the […]
Tater Trot 5K
Chapman Park 300 W Prospect Ave, Monte Vista, CO, United StatesThe Colorado Potato Festival will be kicking off at Chapman Park in Monte Vista with the annual Tater Trot 5K. This sponsored event is a great addition to the festival and the participants enjoy it every year! Whether you're a seasoned runner or just in it for the fun, this course is for all ages […]
Imogene Pass Run
Ouray Ouray, CO, United StatesThe Imogene Pass Run (IPR) is a 17.1 mile point-to-point mountain race within the western San Juan mountains of Colorado. The course runs along a route which connects the towns of Ouray (7810 ft.) and Telluride (8750 ft.) by way of 13,114 foot Imogene Pass. The IPR is held on the first Saturday after the […]
Champions for Children 5K
Prairie Gateway Park Prairie Parkway, Commerce City, CO, United StatesJoin Every Child Pediatrics for the Champions for Children 5K + Fun Run, a fun and inspiring event designed to bring our community together in support of Colorado’s uninsured children. Whether you’re an avid runner, a casual walker, or simply want to enjoy a day of family-friendly activities, there’s something for everyone at this event!
St Vrain for the Brain 5K
Niwot High School 8989 Niwot Road, Niwot, CO, United StatesJoin us either in person or virtually on September 6th at 9:00am for a morning of fresh air, community, prizes, and more. We invite all to participate, whether that be by running, walking, or skipping. Feel free to wear a costume, the best one gets a prize! At this event, participants can register as a team, register […]
Summit UP Run
Copper Mountain Resorts 184 Copper Circle, Frisco, CO, United StatesWe're bringing back our Summit UP Run presented by Mammut during Union Peak Festival weekend with spectacular views to jump-start your Saturday morning before relaxing and listening to music! Choose from a 5k or 5k Challenge route—both start & end at Aerie, located at the top of American Eagle lift. Celebrate your athletic pursuit at the Aerie […]
CASA Superhero 5K
Two Rivers Park 388 Deveraux Road, Glenwood Springs, CO, United StatesWe invite you to join us for the sixth annual CASA Superhero Run at Two Rivers Park in Glenwood Springs. We recognize that all children need heroes, but abused children need superheroes! Be a hero for children in need by participating in our annual CASA Superhero Run. Your involvement helps us provide crucial advocacy and […]
Cirque Series 14K
Arapahoe Basin Ski Resort 28194 US-6, Keystone, CO, United StatesThe race begins at 10,780' ft, starting at the base of Arapahoe Basin, Mountain Goat Plaza, head up to the High Noon parking lot, then to last chance. You will cross highway 6, get on the A-Basin summer road. You will follow the summer road up to Black Mountain Lodge. From Black Mountain Lodge you […]
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.