Colorado Races
Marathons, Half Marathons, 10Ks, 5Ks
Looking for Colorado races? You’re in the right place!
Here are just a few of the upcoming marathons, half marathons, 10K races and 5K races happening in Colorado. You can also browse races by city and 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.