October Races in Jefferson County, CO
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. Big Waves Family 5K
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Oct 5, 2024Saturday
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5K run
More Information
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Westminster, CO
Adams County, COJefferson County, CO
2. Not So Flatt Breast Cancer Awareness Run/Walk
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Oct 5, 2024Saturday
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10K, 5K run
More Information
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Westminster, CO
Adams County, COJefferson County, CO
3. 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
4. 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
5. Strides for Sierra 5K
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Past DateOct 8, 2023Sunday
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5K, 1K run
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Arvada, CO
Jefferson County, CO
6. Run the Rocks
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Oct 13, 2024Sunday
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5K run
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Morrison, CO
Jefferson County, CO
7. Westy Half & 5K
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Oct 13, 2024Sunday
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13.1M, 5K run
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Westminster, CO
Adams County, COJefferson County, CO
8. Suffer Better Fall Trail Run
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Past DateOct 14, 2023Saturday
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50K, 25K trail run
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Pine, CO
Jefferson County, CO
9. Beware the Bear Trail Races
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Past DateOct 15, 2023Sunday
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14.2K, 5K, 1M trail run
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Morrison, CO
Jefferson County, CO
10. Great Trailhead Foot Race
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Oct 19, 2024Saturday
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10M, 5K trail run | kids run
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Morrison, CO
Jefferson County, CO
11. Mines Mindful Miles 5K
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CancelledOct 22, 2023Sunday
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5K run
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Golden, CO
Jefferson County, CO
12. West Side Best Side Cross Country Race
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Past DateOct 22, 2023Sunday
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5K run
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Lakewood, CO
Jefferson County, CO
13. Apex Foundation Trick or Trot 5K
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Oct 26, 2024Saturday
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5K run | kids run
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Arvada, CO
Jefferson County, CO
14. All-Out Kooky-Spooky
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Oct 27, 2024Sunday
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13.1M, 10K, 5K run
Virtual OptionMore Information
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Golden, CO
Jefferson County, CO
15. EAPL Zombie Run 5K
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Past DateOct 29, 2023Sunday
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5K novelty run
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Evergreen, CO
Jefferson 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.