September 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. Lakewood Trail Series
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Sep 4, 2024Wednesday
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7M, 4M trail run
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Lakewood, CO
Jefferson County, CO
2. Littlefoot Triathlon
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Sep 7, 2024Saturday
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sprint triathlon
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Lakewood, CO
Jefferson County, CO
3. Bark & Brew 5K
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Past DateSep 9, 2023Saturday
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5K run
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Lakewood, CO
Jefferson County, CO
4. Tiger Prowl
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Past DateSep 10, 2023Sunday
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5K run
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Lakewood, CO
Jefferson County, CO
5. Lakewood Trail Series
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Sep 11, 2024Wednesday
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7M, 4M trail run
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Lakewood, CO
Jefferson County, CO
6. All-Out Fall Fest
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Sep 14, 2024Saturday
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13.1M, 10K, 5K run
Virtual OptionMore Information
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Boston Marathon Qualifier
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Westminster, CO
Adams County, COJefferson County, CO
7. Bergen Peak Half Marathon
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Sep 14, 2024Saturday
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13.1M trail run
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Evergreen, CO
Jefferson County, CO
8. Farmers 5000
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Sep 15, 2024Sunday
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5K run
Virtual OptionMore Information
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Wheat Ridge, CO
Jefferson County, CO
9. RRCC Front Nine 5K
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Sep 15, 2024Sunday
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5K run
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Morrison, CO
Jefferson County, CO
10. Lisa Nelson's Mustang Stampede
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Past DateSep 16, 2023Saturday
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5K run
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Arvada, CO
Jefferson County, CO
11. Lakewood Trail Series
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Sep 18, 2024Wednesday
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7M, 4M trail run
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Lakewood, CO
Jefferson County, CO
12. Golden Gallop
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Sep 22, 2024Sunday
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10K, 5K run | kids run
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Golden, CO
Jefferson County, CO
13. Lakewood Trail Series
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Sep 25, 2024Wednesday
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7M, 4M trail run
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Lakewood, CO
Jefferson County, CO
14. Bear Chase Race - Half Marathon & 10K
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Sep 28, 2024Saturday
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100K, 50M, 50K trail run
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Lakewood, CO
Jefferson County, CO
15. Prairie Dog Half and 10K/5K
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Sep 28, 2024Saturday
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13.1M, 10K, 5K run | kids run
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Westminster, CO
Adams County, COJefferson County, CO
16. Bear Chase Race - Half Marathon & 10K
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Sep 29, 2024Sunday
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13.1M, 10K trail run
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Lakewood, CO
Jefferson County, CO
17. Run With The Wolves
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Sep 29, 2024Sunday
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5K, 1K run
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Arvada, CO
Jefferson County, CO
18. Forge 5K
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Past DateSep 30, 2023Saturday
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5K run | kids run
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Arvada, 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.