Event details subject to change. Please confirm all information via event website.
Week of Events
Desert RATS Trail Running Festival
Desert RATS Trail Running Festival
Desert Rats Trail Running Festival by UTMB has four unique distances, three days of racing and indescribable views of the desert. There is something for every runner. Enjoy views of the Colorado River as you race through flowy singletrack, climb up the mesa, and take in the vastness of the desert.
Platte River Half Marathon
Denver's oldest half marathon runs along the Platte River Trail, covering parts of Littleton and Denver.
Spring Fling Prairie Dog Half
Welcome to the SPRING FLING Prairie Dog Half, part of the Prairie Dog Half Race Series. This spring-time event also features 10k & 5k distances!
Elevate Kids 5K/10K
This event is for all ages and abilities, whether you're in it to win or out for a fun Sunday morning walk. Come out and take a step to help kids in Grand Junction by participating in the 2.5K, 5K, or 10k distance. *The really littles, 4 & under, can participate in the free Hatchling […]
Donut Dash
The Donut Dash 5K is Denver’s race that ends with doughnuts. Runners and walkers can take advantage of a flat and fast course, and then enjoy fresh doughnuts at the finish. Our mission is to bring people together to have a fun, fit morning.
Rattler Trail Race
Rattler was created to feature one of Colorado Springs' best city parks, Palmer Park. Runners will enjoy views of the city and Pikes Peak from the sandstone bluffs, while running all of the best trails the park has to offer! Even though the course does not have much vertical gain, it will test runners with […]
All-Out Beat the Heat
One of Colorado's favorite trails meets one of its most glorious parks at our 11th annual Beat the Heat! As courses wind southwest along Big Dry Creek Trail, the remarkable sight of Standley Lake with the Flatirons on the horizon will come into view. Its Endless Series sidekick in September is Fallfest. 5K, 10K, Half Marathon
Do Not Stop Half Marathon
Question: Is it supposed to be DO NOT STOP, or DONUT STOP? Answer: YES! Like Running or Walking? Love Donuts? This race is for you! Join us for the annual Donot Stop 5k/10k and half marathon! A donut-themed event that is perfect for the whole family. The fun includes great swag (designer shirt, custom medal), […]
Great Western Trail Race
The Great Western Trail is a wide unpaved trail located in rural Weld County in Northern Colorado. The trail connects to the Windsor Trail system on the northeast edge of the Town of Windsor, traveling north to the Town of Severance. From Severance, the trail curves east, and runs through open agricultural lands 7.5 miles […]
Woody’s Tortoise And Hare 5K
This race is a true handicap event in that it measures your fitness level based on your age, sex, height and weight! Following a victory at the Boston Marathon, Bill Rodgers said that his effort to run a 2:10 was not nearly as difficult as the effort of those who were “out there for 4 […]
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