Known as the Mile High City, Denver is a popular destination for runners looking to train at altitude. Nestled at the foot of the Rockies, it’s a place where every run comes with fresh air, open skies, and beautiful mountain views.
Each year, the city hosts several popular running races that bring the community together. We’ve rounded up our top picks for you to explore.
Colfax Marathon
Date: 15-17 May 2026
The Colfax Marathon is the largest running race in Denver and a Boston Marathon Qualifier race. Participants of the full marathon will experience running through the most iconic spots of the city with views of the majestic rocky mountains.
This event offers a full marathon, a half marathon, Urban 10miler, 5K and a marathon relay. Celebrate with participants organizers and supporters in the post race party with live music.
Denver Running Tour with a Private Guide
THE DENVER GRAND TOUR – 21K
Our 21K The Grand Tour of Denver is the full Mile High experience – explore historic landmarks, vibrant neighborhoods, street art, and scenic cityscapes. From RiNo to the Capitol, Union Station to Coors Field, this tour covers all of the bases.
✅ Private guide
✅ Hotel pickup
✅ Your preferred pace and distance
✅ Available all days of the week
Mile High United Way Turkey Trot
Date: 27 November 2025
If you are in Denver on Thanksgiving, this is one race you won’t want to miss. Going on it’s 52nd year, this community tradition brings together runners of all levels to give thanks and support a good cause. Proceeds go to the Mile High United Way, helping families access early learning programs, job opportunities and support ensuring they can thrive.
Labor Day Half Marathon
Date: 7 September 2026
Celebrate the last days of summer with the Labor Day Half Marathon, a scenic run along the peaceful banks of Cherry Creek. The flat course makes it perfect for runners of all levels, with options for a half marathon, 10K, and 5K.
If you are in town just for fun, Go! Running Tours has the perfect activity for you. Running Tours are a perfect way to get to know a new city and stay active. Fancy a quick tour before your meetings? The Denver Mile High highlights Tour will hit the spot for you. This 8K running tour blends in movement, murals and mile high magic.
Hola! If running and traveling are two of your favorite things, you’ll love our tours of more than 70 cities.
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