September 10Ks within 300 miles of Boulder, CO on Saturdays
City Location
1. Ned Ned Run
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Past DateSep 9, 2023Saturday
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13.1M, 10K, 5K trail run
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Nederland, CO
13 miles point to pointBoulder County, CO
2. 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
17 miles point to pointAdams County, COJefferson County, CO
3. Meadowgold Trail Run
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Sep 14, 2024Saturday
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10K, 5K trail run
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Minturn, CO
68 miles point to pointEagle County, CO
4. Trail Sisters Women's Half Marathon
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Sep 14, 2024Saturday
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13.1M, 10K trail run
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Buena Vista, CO
93 miles point to pointChaffee County, CO
5. Autumn Run
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Sep 21, 2024Saturday
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26.2M, 13.1M, 10K, 5K run | kids run
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Buena Vista, CO
93 miles point to pointChaffee County, CO
6. Beulah Challenge
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Sep 21, 2024Saturday
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13.1M, 10K, 5K run
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Beulah, CO
135 miles point to pointPueblo County, CO
7. Great Bison Shuffle
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Sep 21, 2024Saturday
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13.1M, 10K, 5K, 2K trail run | kids run
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Cheyenne, WY
82 miles point to pointLaramie County, WY
8. Move Forward 5K & 10K
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Sep 21, 2024Saturday
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10K, 5K run
Virtual OptionMore Information
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Denver, CO
24 miles point to pointDenver County, CO
9. Run the Rockies Half Marathon
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Sep 21, 2024Saturday
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13.1M, 10K run
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Frisco, CO
53 miles point to pointSummit County, CO
10. Snow Mountain Ranch Trail Festival
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Sep 21, 2024Saturday
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50K, 13.1M, 10K, 5K trail run | 26.2M relay
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Granby, CO
36 miles point to pointGrand County, CO
11. Superhero Event
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Sep 21, 2024Saturday
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10K, 5K, 1M run | kids run
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Greeley, CO
41 miles point to pointWeld County, CO
12. Mountain Chile Cha Cha Trail Races
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Past DateSep 23, 2023Saturday
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10K, 5K trail run
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Pagosa Springs, CO
210 miles point to pointArchuleta County, CO
13. John Wayne Grit Series
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Sep 27, 2025Saturday
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13.1M, 10K trail run
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Moab, UT
247 miles point to pointGrand County, UT
14. Chama Jog,Walk & Wag
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Sep 28, 2024Saturday
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10K, 5K, 3K run | kids run
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Chama, NM
226 miles point to pointRio Arriba County, NM
15. HRCA Wildcat Mountain Trail Races
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Sep 28, 2024Saturday
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10M, 10K trail run | kids run
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Littleton, CO
31 miles point to pointArapahoe County, CO
16. Louisville Trail Race
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Sep 28, 2024Saturday
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13.1M, 10K, 5K trail run
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Louisville, CO
8 miles point to pointBoulder County, CO
17. 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
17 miles point to pointAdams County, COJefferson 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.
