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. Avery Brewing Company Oktoberfest 4K
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Oct 1, 2023Sunday
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4K run
More Information
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Boulder, CO
Boulder County, CO
2. Big Waves Family 5K
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Past DateOct 1, 2022Saturday
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5K run
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Westminster, CO
Adams County, COJefferson County, CO
3. Castle Rock Trail Festival
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Past DateOct 1, 2022Saturday
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50K, 13.1M, 10K, 5K trail run
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Castle Rock, CO
Douglas County, CO
4. FAMpoint5K
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Past DateOct 1, 2022Saturday
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5K, 0.5K run
Virtual OptionMore Information
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Grand Junction, CO
Mesa County, CO
5. Grace Race 5K
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Past DateOct 1, 2022Saturday
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5K run
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Denver, CO
Denver County, CO
6. Gummball 5K
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Past DateOct 1, 2022Saturday
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5K run
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Brighton, CO
Adams County, CO
7. Hot Chocolate 15K/5K - Denver
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Oct 1, 2023Sunday
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15K, 5K run
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Denver, CO
Denver County, CO
8. Miner Gold Rush
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Past DateOct 1, 2022Saturday
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4M, 1M run
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Broomfield, CO
Broomfield County, CO
9. Pikes Peak Road Runners Fall Series
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Oct 1, 2023Sunday
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3.1M trail run
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Colorado Springs, CO
El Paso County, CO
10. RMRR Trophy Series - October
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Oct 1, 2023Sunday
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12K, 5K run
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Aurora, CO
Arapahoe County, CO
11. Center of the Nation Series - Day 1
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Oct 2, 2023Monday
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26.2M, 13.1M run
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Sterling, CO
Logan County, CO
12. LambFam Fall 5K
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Past DateOct 2, 2022Sunday
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5K run
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Fort Collins, CO
Larimer County, CO
13. Pikes Peak Road Runners Kids Fall Series
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Past DateOct 2, 2022Sunday
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kids run
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Colorado Springs, CO
El Paso County, CO
14. Race Against Isms
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Past DateOct 2, 2022Sunday
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5K run
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Denver, CO
Denver County, CO
15. PPCC Take the Night Back
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Past DateOct 6, 2022Thursday
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5K run
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Colorado Springs, CO
El Paso County, CO
16. 4-Corners XC Classic Community Race
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Past DateOct 7, 2022Friday
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8K, 5K trail run
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Durango, CO
La Plata County, CO
17. Above the Clouds Ultra
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Oct 7, 2023Saturday
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50K, 10K trail run
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Woodland Park, CO
Teller County, CO
18. Aspen parkrun
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Oct 7, 2023Saturday
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5K run
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Aspen, CO
Pitkin County, CO
19. Breckenridge Road Marathon
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Oct 7, 2023Saturday
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26.2M, 13.1M, 10K run | kids run
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Boston Marathon Qualifier
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Breckenridge, CO
Summit County, CO
20. Get Your Rear in Gear - Denver Metro
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Oct 7, 2023Saturday
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5K, 1M run
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Littleton, 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.