10k
Colorado Marathon
The Colorado Marathon is an annual race held in the verdant Poudre Canyon, nestled in the picturesque Rocky Mountains, just outside of the beautiful city of Fort Collins. Registration for …
Bolder Boulder 10K
Boulder Boulder, COJoin Colorado’s biggest and boldest Memorial Day tradition.
Mountain Ridge Trail Race
Mountain Ridge Middle School 10590 Mountain Vista Ridge, Highlands Ranch, CO, United StatesThis 11th annual trail race serves as the Summer Series opener. It has quickly become a runner favorite among Endurance Race Series front range events. The rolling hills of this …
The Steamboat Marathon, Half Marathon and 10K presented by Alpine Bank
Steamboat Springs, CO Steamboat Springs, COThe Steamboat Marathon, voted one of the most scenic marathons in the country by Runners World, has the cozy, friendly appeal that only a town like Steamboat Springs can bring. …
DU Dash
Palmer LakeJune 9th marks the inaugural IN-PERSON DU Dash hosted by Colorado Ducks Unlimited on the Santa Fe Trail at Palmer Lake. Check out all the race information here.
That 80’s Run
Clement Park 7306 W Bowles Ave, Littleton, COGo back in time with That 80s Run! Bring the entire family....starting at 5:00pm our 5k and 10k Fun Run will start followed by the kids .80 Mile Run...we will …
Evergreen Town Race
The Evergreen Town Race is a fundraiser for the Alpine Rescue Team. Both the 5K and 10K courses wind gradually down Upper Bear Creek, with a finish near Evergreen Lake. …
Leadville 10K Run
Leadville 135 E. 6th Street, Leadville, COHeld 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 …
Westminster Trail Race
Wayne Carle Middle School @ Standley Lake 10020 100th Ave, Westminster, Westminster, CO, United StatesJoin us at beautiful Standley Lake in Westminster as we race around the lake. The 12th Annual event is a great course for those competitive, intermediate, or novice runners. The …
Trail Sisters Half Marathon
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 …