September Half Marathons within 50 miles of Louisville, CO
1. Labor Day Half Marathon
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Sep 2, 2024Monday
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13.1M, 10K, 5K run
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Parker, CO
37 miles point to pointDouglas County, CO
2. Sloan's Lake Search Party (SLSP)! Marathon Hourly Loop Race
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Sep 7, 2024Saturday
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26.2M, 13.1M run
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Denver, CO
18 miles point to pointDenver County, CO
3. 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
11 miles point to pointAdams County, COJefferson County, CO
4. Nun Run
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Sep 15, 2024Sunday
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13.1M, 5K run
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Denver, CO
18 miles point to pointDenver County, CO
5. Adams Half & 5K
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Past DateSep 17, 2023Sunday
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13.1M, 5K run
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Brighton, CO
17 miles point to pointAdams County, CO
6. Fall Equinox Marathon
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Sep 22, 2024Sunday
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26.2M, 13.1M, 5M run
Virtual OptionMore Information
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Boston Marathon Qualifier
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Fort Collins, CO
42 miles point to pointLarimer County, CO
7. 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
11 miles point to pointAdams County, COJefferson County, CO
8. Boulderthon: Downtown Boulder Marathon
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Sep 29, 2024Sunday
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26.2M, 13.1M, 10K, 5K run | kids run
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Boulder, CO
8 miles point to pointBoulder 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.