October 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.
1. Avery Brewing Company Oktoberfest 4K
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Past DateOct 1, 2023Sunday
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4K run
More Information
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Boulder, CO
Boulder County, CO
2. Pikes Peak Road Runners Kids Fall Series
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Past DateOct 1, 2023Sunday
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kids run
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Colorado Springs, CO
El Paso County, CO
3. Above the Clouds Ultra
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Oct 5, 2024Saturday
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50K, 10K trail run
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Woodland Park, CO
Teller County, CO
4. AppleFest 5K
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Oct 5, 2024Saturday
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5K run
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Cedaredge, CO
Delta County, CO
5. Aspen parkrun
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Oct 5, 2024Saturday
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5K run
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Aspen, CO
Pitkin County, CO
6. Camp 4 Coffee Cart to Cart Trail Race
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Oct 5, 2024Saturday
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19M, 10M trail run
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Crested Butte, CO
Gunnison County, CO
7. Camp 4 Coffee Cart to Cart
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Oct 5, 2024Saturday
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19M, 10M trail run
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Crested Butte, CO
Gunnison County, CO
8. Castle Rock Trail Festival
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Oct 5, 2024Saturday
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50K, 13.1M, 10K, 5K trail run
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Castle Rock, CO
Douglas County, CO
9. Dead Man 5K Trail Run
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Oct 5, 2024Saturday
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5K run
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Trinidad, CO
Las Animas County, CO
10. Its Fall Yall 5K and K9 Canter 1M Fun Run
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Oct 5, 2024Saturday
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5K, 1M run
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Thornton, CO
Adams County, CO
11. Nielson Two Mile Challenge
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Oct 5, 2024Saturday
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2M trail run
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Colorado Springs, CO
El Paso County, CO
12. Not So Flatt Breast Cancer Awareness Run/Walk
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Oct 5, 2024Saturday
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10K, 5K run
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Westminster, CO
Adams County, COJefferson County, CO
13. Rim to Rim Royal Gorge Races
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Oct 5, 2024Saturday
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13.1M, 8M, 5K trail run
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- Canon City, CO
14. South Boulder Creek parkrun
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Oct 5, 2024Saturday
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5K run
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Boulder, CO
Boulder County, CO
15. Spooky Sprint - Denver
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Oct 5, 2024Saturday
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13.1M, 10K, 5K, 1M run | kids run
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Westminster, CO
Adams County, COJefferson County, CO
16. West Elk Challenge Trail Marathon
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Oct 5, 2024Saturday
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26.2M trail run
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Crawford, CO
Delta County, CO
17. Colorado Brewery Running Series
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Oct 6, 2024Sunday
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13.1M, 5K run
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Fort Collins, CO
Larimer County, CO
18. Hot Chocolate 15K/5K - Denver
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Oct 6, 2024Sunday
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15K, 5K run
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Denver, CO
Denver County, CO
19. Hyland Hills Hockey Jag Jog 5K
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Past DateOct 6, 2023Friday
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5K run
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Westminster, CO
Adams County, COJefferson County, CO
20. Michael J. Fox Foundation Run
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Oct 6, 2024Sunday
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5K run
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Denver, CO
Denver 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.