Looking for Colorado races? You’re in the right place!
Here are just a few of the upcoming marathons, half marathons, 10K races and 5Ks races happening in Colorado. Browse races by city and distance, or click the “See More” link to see a complete list of races for your favorite distance.
For each race you’ll find key details, finisher ratings and reviews, photos, videos, related articles, race-day weather data and a link to register.