August Races in Colorado on Weekends
Event Category
Click Here to find out what Classic, Multisport, and Variety mean.
To narrow your search by a distance or event type, you will need to select Classic, Multisport, or Variety first.
To narrow your search by a distance or event type, you will need to select Classic, Multisport, or Variety first.
1. All-Out Runapalooza
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Aug 3, 2024Saturday
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13.1M, 10K, 5K run
Virtual OptionMore Information
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Arvada, CO
Jefferson County, CO
2. Arapahoe Warrior 5K
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Aug 3, 2024Saturday
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5K run
More Information
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Centennial, CO
Arapahoe County, CO
3. Aspen parkrun
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Aug 3, 2024Saturday
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5K run
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Aspen, CO
Pitkin County, CO
4. Berry Picker Trail Run
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Aug 3, 2024Saturday
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5K trail run
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Vail, CO
Eagle County, CO
5. Boulder Rez Marathon
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Aug 3, 2024Saturday
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26.2M, 19.7M, 13.1M, 10K run | 26.2M relay
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Boulder, CO
Boulder County, CO
6. Flying Colors 5K
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Aug 3, 2024Saturday
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5K run
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Craig, CO
Moffat County, CO
7. HRCA Splash Mash Dash Kids Triathlon
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Aug 3, 2024Saturday
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youth triathlon
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Littleton, CO
Arapahoe County, CO
8. Kennebec Mountain Run
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Aug 3, 2024Saturday
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15M run
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Durango, CO
La Plata County, CO
9. Nielson Two Mile Challenge
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Aug 3, 2024Saturday
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2M trail run
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Colorado Springs, CO
El Paso County, CO
10. Pearl Street Mile
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Aug 3, 2024Saturday
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1M run | kids run
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Boulder, CO
Boulder County, CO
11. Reece's Roundup
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Aug 3, 2024Saturday
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10K, 5K run
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Castle Rock, CO
Douglas County, CO
12. Rocky Mountain Half Marathon
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Aug 3, 2024Saturday
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13.1M run
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Estes Park, CO
Larimer County, CO
13. Run for the Ring 5K
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Aug 3, 2024Saturday
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5K run | kids run
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Aurora, CO
Arapahoe County, CO
14. Sheep Mountain Trail Runs
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Aug 3, 2024Saturday
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50M, 50K, 13.1M trail run
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Fairplay, CO
Park County, CO
15. South Boulder Creek parkrun
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Aug 3, 2024Saturday
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5K run
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Boulder, CO
Boulder County, CO
16. Staunton State Park 20K
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Aug 3, 2024Saturday
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20K trail run
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Evergreen, CO
Jefferson County, CO
17. Unicorn 5K South
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Aug 3, 2024Saturday
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5K run
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Highlands Ranch, CO
Douglas County, CO
18. Emerald Mountain Epic
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Aug 4, 2024Sunday
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26.2M, 13.1M trail run
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Steamboat Springs, CO
Routt County, CO
19. Evergreen Town Race
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Aug 4, 2024Sunday
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10K, 5K run
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Evergreen, CO
Jefferson County, CO
20. Stagecoach Gravel Triathlon
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Aug 4, 2024Sunday
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sprint triathlon
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Steamboat Springs, CO
Routt County, CO
For the love of all that Is good And moisture wicking...
Though we Try To be accurate And On top Of things... Race details can change When we aren't lookin. And once in a while we simply make a mistake.
ALWAYS visit the race's website for the most complete and accurate race information.
ALWAYS visit the race's website for the most complete and accurate race information.