Event details subject to change. Please confirm all information via event website.
Lakewood Trail Running Series III
Bear Creek Lake Park 15600 W Morrison Rd, Lakewood, CO, United StatesThe popular trail running series in Bear Creek Lake Park takes place weekly in September. Different routes allow participants to explore all areas of the park. Racers can compete against […]
Mighty Marmot Kids Trail Race #2
Miller Ranch Open Space 1060 Ed6, Minturn, CO, United StatesCome join the Vail Recreation District for the 3rd Annual Mighty Marmot Kids Trail Race Series! Youths ages 4 to 10 are welcome to participate. Chose between 1 or 2 miles* to compete […]
Pikes Peak Ascent
Memorial Park - Manitou Springs 502 Manitou Ave, Manitou Springs, CO, United StatesThe Pikes Peak Marathon, founded in 1956, is the oldest continually held marathon in the United States, taking runners from Manitou Springs, Colorado, to the summit of Pikes Peak at […]
Superhero 5K/10K
Greeley Family FunPlex 1501 65th Avenue, Greeley, CO, United StatesA beloved community tradition, the Superhero Run invites runners, walkers, and families of all ages to suit up in their favorite superhero costumes and race for a cause. With a 5K, […]
Run the Rockies Half Marathon
Copper Mountain Resorts 184 Copper Circle, Frisco, CO, United StatesThe Run the Rockies Road 10k and Half Marathon will feature the traditional Run the Rockies Road Race course with runners starting near Copper Mountain; runners will follow the paved […]
Wolf Creek Wrangle
Eaton's Ranch 270 Eaton Ranch Road, Wolf, WY, United StatesTake a step back in time and run or hike where the settlers of the west once walked! These trail races are hosted by the historic Eaton's Ranch, the country's oldest operating dude ranch located at the base of the Bighorn Mountains outside Sheridan, WY. Test your Wyoming grit on September 17th.
Beulah Challenge
Beulah School of Natural Sciences 8734 School House Lane, Beulah, CO, United StatesThe Beulah Challenge, which started in 1996, is a 5K, 10K, and half-marathon run near Beulah, a small southern Colorado community located in the spectacular Beulah Valley nestled in the Wet Mountains. […]
Canceled ColorFest Color Run 5K
Yamaguchi Park 684 S 5th St, Pagosa Springs, CO, United StatesBrilliant colors will be flying at Pagosa Springs' iconic ColorFest Color Run 5k. As participants venture out on the course, vibrantly hued hot air balloons will be filling the skies […]
Rattlesnake Rumble Trail Race
Eldorado Canyon State Park 294 Artesian Drive, Eldorado Springs, CO, United StatesD49 4.9K
Falcon High School 10255 Lambert Rd, Peyton, CO, United StatesJoin us for the D4.9k Run/Walk, a family-friendly event open to D49 staff, students, parents, and community members! Our mission is to offer an engaging, affordable, and healthy event for […]
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.