Colorado Runner - Colorado's running news, events and results source

On October 16-17, come to the Mile High City and celebrate the 15th running of Denver Colfax Marathon! This is the largest running weekend in the Rockies and includes a Marathon, Half Marathon, Urban 10 Miler, Marathon Relay and 5K. COLFAX MARATHON – BRONCOS IMPACT: With the Broncos…

You are invited to join us for this year's 15th annual Run the Rocks at Red Rocks Park and Amphitheatre. We've re-imagined the race course but kept the amazing views and challenging hills that have made this 5K and 10K so popular with athletes and weekend warriors alike. That is why The Denver…

We know our audience is full of highly motivated, active individuals who prioritize fitness in a major way. This lifestyle attracts others who live similarly, and from the perspective of our running clubs, cycling groups and other active social circles, you might think your city tops the "fittest…