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.
City Location
1. AppleFest 5K
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Oct 2, 2021Saturday
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5K run
Race Website
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Cedaredge, CO
Delta County, CO
2. Bear Creek Endurance Run
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Oct 2, 2021Saturday
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12H trail run
More Information
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Colorado Springs, CO
El Paso County, CO
3. Black Canyon Triathlon
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Oct 2, 2021Saturday
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sprint triathlon
More Information
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Montrose, CO
Montrose County, CO
4. Crested Butte Ultra
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Oct 2, 2021Saturday
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105K, 55K trail run
More Information
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Crested Butte, CO
Gunnison County, CO
5. Deep Creek Trail Half Marathon
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Oct 2, 2021Saturday
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13.1M trail run
Race Web Page
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Telluride, CO
San Miguel County, CO
6. Nielson Two Mile Challenge
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Oct 2, 2021Saturday
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2M trail run
More Information
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Colorado Springs, CO
El Paso County, CO
7. Rim To Rim Royal Gorge Race Weekend
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Oct 2, 2021Saturday
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10K, 5K run
Race Website
- Canon City, CO
8. Glenwood Canyon Shuffle
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CancelledOct 3, 2020Saturday
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13.1M, 5K run
Race ReferenceVirtual Option
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Glenwood Springs, CO
Garfield County, CO
9. Hot Chocolate 15K/5K Denver
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Oct 3, 2021Sunday
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15K, 5K run
Race Web Page
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Denver, CO
Denver County, CO
10. Its Fall Yall 5K and K9 Canter 1M Fun Run
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Oct 3, 2021Sunday
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5K, 1M run
More Information
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Westminster, CO
Adams County, COJefferson County, CO
11. Just for J Superhero 5K
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Past DateOct 3, 2020Saturday
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5K, 1M run
Race Web Page
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Denver, CO
Denver County, CO
12. Justice Run
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Oct 3, 2021Sunday
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10K, 5K run | kids run
Race Website
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Littleton, CO
Arapahoe County, CO
13. Long View Marathon
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Oct 3, 2021Sunday
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26.2M, 13.1M run
More Information
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Boston Marathon Qualifier
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startFort Collins, COfinishLoveland, COLarimer County, COLarimer County, CO
14. Oh, Fudge! 5K
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Oct 3, 2021Sunday
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5K run | kids run
Race Information
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Denver, CO
Denver County, CO
15. Pikes Peak Road Runners Fall Series
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Oct 3, 2021Sunday
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3.1M trail run
More Information
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Colorado Springs, CO
El Paso County, CO
16. Pikes Peak Road Runners Kids Fall Series - North Monument Valley Park
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Oct 3, 2021Sunday
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kids run
More Information
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Colorado Springs, CO
El Paso County, CO
17. Rad Dirt Fest
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Oct 3, 2021Sunday
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50K, 13.1M trail run
More Information
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Trinidad, CO
Las Animas County, CO
18. Rim To Rim Royal Gorge Race Weekend
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Oct 3, 2021Sunday
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13.1M run
Race Website
- Canon City, CO
19. RMRR Trophy Series - October
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Oct 3, 2021Sunday
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5M, 5K run
More Information
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Aurora, CO
Arapahoe County, CO
20. Runway 5K Run for the Angels
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Past DateOct 3, 2020Saturday
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5K run
More InformationVirtual Option
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Broomfield, CO
Broomfield 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.