Held the weekend of the historic Stages Cycling Leadville Trail 100 MTB, the Leadville 10K Run is the shortest run in the series, but covers the first and last 3.1 …
The legendary “Race Across The Sky” 100-mile run is where it all started back in 1983. This is it. The race where legends are created and limits are tested. One …
The Byers Peak Stampede is proudly hosted by the Shining Stars Foundation, a local nonprofit that provides outdoor social and recreational programming for children with cancer and their families. All proceeds …
2026 marks the 17th year of the pulmonary hypertension (PH) collaborative fundraiser with the University of Colorado Denver, Children’s Hospital Colorado and the Pulmonary Hypertension Association (PHA). The first fundraiser …
Join us in Allenspark, Colorado, at 8,504 feet for the annual Run Like the Wind 5K, Walk Like the Breeze 2K, and our beloved Dog Jog. This isn’t just any race—it’s a scenic journey through …
Lace up your shoes and join us for the Demon Dash at its new course at the NAAC! We're excited to bring this course its new home and onto dirt! Whether …
Celebrate the last blast of summer at the Labor Day Half Marathon. Sweat your socks off and let summer have its last hooray at Parker’s Salisbury Park, just a few …
If you are tired of running in a park, then let the RiNo 5K & Larimer Mile reintroduce you to the road. No paths; No sidewalks; A completely closed course …
13.1 trail miles that twist and turn through sage brush and ponderosa pines, all while providing stunning views of the Collegiate Peaks. Located in the Rocky Mountains along the roaring …
The 6 Dot dash features a great run to Reynolds landing and back while offering a great expo experience. Your support helps provide Braille literacy and blindness skills training, scholarships …
