September Classic Races in Colorado on Sundays
1. 10K at 10,000 Feet Trail Run
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Past DateSep 1, 2024Sunday
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10K, 5K trail run
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Steamboat Springs, CO
Routt County, CO
2. Calarat Challenge Trail Running Festival
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Past DateSep 1, 2024Sunday
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13.1M, 10K trail run
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Jamestown, CO
Boulder County, CO
3. Denver Broncos 7K
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Past DateSep 1, 2024Sunday
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7K run | kids run
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Denver, CO
Denver County, CO
4. Orangetheory 5K at Labor Day Lift Off
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Past DateSep 1, 2024Sunday
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5K run
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Colorado Springs, CO
El Paso County, CO
5. Recovery Run of the Rockies 5K
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Past DateSep 1, 2024Sunday
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5K run
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Fort Collins, CO
Larimer County, CO
6. The Day Quest - The Edge of Ultra - 26.3
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Past DateSep 1, 2024Sunday
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26.2M run | 26.3M trail run
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Boulder, CO
Boulder County, CO
7. Wine Run 5K at Holy Cross Abbey
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Past DateSep 1, 2024Sunday
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5K run
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Canon City, CO
Fremont County, CO
8. 9/11 Heroes Run - Denver
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Past DateSep 8, 2024Sunday
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5K run
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Denver, CO
Denver County, CO
9. Denver HOPErun
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Past DateSep 8, 2024Sunday
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5K run
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Golden, CO
Jefferson County, CO
10. Denver Rocks Run 5K/10K
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Past DateSep 8, 2024Sunday
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10K, 5K run
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Denver, CO
Denver County, CO
11. Healthy Kids Running Series - Erie
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Past DateSep 8, 2024Sunday
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kids run
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Erie, CO
Weld County, CO
12. Healthy Kids Running Series - Aurora
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Past DateSep 8, 2024Sunday
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kids run
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Aurora, CO
Arapahoe County, CO
13. Healthy Kids Running Series - Denver
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Past DateSep 8, 2024Sunday
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kids run
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Denver, CO
Denver County, CO
14. Honey Bee Hustle
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Past DateSep 8, 2024Sunday
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1.5H run
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Loveland, CO
Larimer County, CO
15. RMRR Fall Marathon Training Series
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Past DateSep 8, 2024Sunday
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30K, 20K run
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Thornton, CO
Adams County, CO
16. RMRR Trophy Series - September
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Past DateSep 8, 2024Sunday
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10M, 5K run
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Thornton, CO
Adams County, CO
17. Nun Run
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Sep 14, 2025Sunday
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13.1M, 5K run
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Denver, CO
Denver County, CO
18. BackCountry 5K
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Past DateSep 15, 2024Sunday
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5K run
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Highlands Ranch, CO
Douglas County, CO
19. Be Ovary Aware 5K
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Past DateSep 15, 2024Sunday
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5K run
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Colorado Springs, CO
El Paso County, CO
20. Farmers 5000
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Past DateSep 15, 2024Sunday
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5K run
Virtual OptionMore Information
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Wheat Ridge, 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.