Upcoming Races in Colorado
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.
City Location
Featured Listing
1. Fall Equinox Marathon
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Sep 22, 2024Sunday
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26.2M, 13.1M, 5M run
Virtual OptionMore Information
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Boston Marathon Qualifier
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Fort Collins, CO
Larimer County, CO
1. Know. Grow. GO RUN 5K
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May 17, 2024Friday
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5K run
More Information
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Loveland, CO
Larimer County, CO
2. Aspen parkrun
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May 18, 2024Saturday
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5K run
More Information
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Aspen, CO
Pitkin County, CO
3. Boneyard Boogie
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May 18, 2024Saturday
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5K run | 13K trail run
More Information
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Eagle, CO
Eagle County, CO
4. Canine On the Creek
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May 18, 2024Saturday
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5K, 1M run
More Information
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Dumont, CO
Clear Creek County, CO
5. Colorado Brewery Running Series
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May 18, 2024Saturday
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5K run
More Information
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Lafayette, CO
Boulder County, CO
6. Denver Colfax Marathon
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May 18, 2024Saturday
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5K run
More Information
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Boston Marathon Qualifier
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Denver, CO
Denver County, CO
7. Endure Trail Runs
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May 18, 2024Saturday
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24H, 12H, 13.1M, 10K trail run
More Information
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Divide, CO
Teller County, CO
8. Girls on the Run 5K
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May 18, 2024Saturday
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5K run
More Information
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Denver, CO
Denver County, CO
9. Habitat Archuleta's 15 Homes in 5K
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May 18, 2024Saturday
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5K run
More Information
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Pagosa Springs, CO
Archuleta County, CO
10. Healthy Kids Running Series - Fort Collins
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May 18, 2024Saturday
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kids run
More Information
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Fort Collins, CO
Larimer County, CO
11. Memorial Day Run & March
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May 18, 2024Saturday
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30K, 10K, 5K run
Virtual OptionMore Information
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Castle Rock, CO
Douglas County, CO
12. Ram Party
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May 18, 2024Saturday
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54M, 50K trail run
More Information
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Colorado Springs, CO
El Paso County, CO
13. Run to the Shrine
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May 18, 2024Saturday
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4M run
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Colorado Springs, CO
El Paso County, CO
14. South Boulder Creek parkrun
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May 18, 2024Saturday
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5K run
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Boulder, CO
Boulder County, CO
15. Spirit Challenge
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May 18, 2024Saturday
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10K, 5K run | kids run
More Information
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Steamboat Springs, CO
Routt County, CO
16. Tails on the Trail
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May 18, 2024Saturday
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5K run
More Information
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Salida, CO
Chaffee County, CO
17. Denver Colfax Marathon
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May 19, 2024Sunday
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26.2M, 13.1M, 10M run | 26.2M relay
More Information
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Boston Marathon Qualifier
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Denver, CO
Denver County, CO
18. Healing Warriors Program 5K Fun Run
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May 19, 2024Sunday
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5K run
More Information
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Fort Collins, CO
Larimer County, CO
19. Healthy Kids Running Series - Denver
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May 19, 2024Sunday
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kids run
More Information
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Denver, CO
Denver County, CO
20. Healthy Kids Running Series - Aurora
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May 19, 2024Sunday
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kids run
More Information
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Aurora, CO
Arapahoe 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.