October 5Ks within 50 miles of Fort Collins, CO
Longmont, CO
Paws in the Park
Oct 7, 2023
Erie, CO
Eerie Erie
Oct 28, 2023
Boulder, CO
Boulder XC Series Meet 1
Oct 14, 2023
South Boulder Creek parkrun
Mar 22, 2025
Mar 29, 2025
Apr 5, 2025
Apr 12, 2025
48 more
Brighton, CO
The Arc of Adams County All-Ability Halloween 5K Run/Walk
Oct 12, 2024
Gummball 5K
Oct 19, 2024
Windsor, CO
Windsor Marathon
Oct 6, 2024
Fort Collins, CO
Mustang Music 5K
Oct 14, 2023
Run Fur Fun 5K
Oct 28, 2023
Colorado Brewery Running Series
Oct 6, 2024
Long View Marathon
Oct 12, 2024
CSU Homecoming 5K
Oct 26, 2024
Severance, CO
Howl-O-Ween 5K
Oct 21, 2023
Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
1. Its Fall Yall 5K and K9 Canter 1M Fun Run
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Oct 5, 2024Saturday
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5K, 1M run
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Thornton, CO
50 miles point to pointAdams County, CO
2. South Boulder Creek parkrun
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Oct 5, 2024Saturday
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5K run
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Boulder, CO
41 miles point to pointBoulder County, CO
3. Colorado Brewery Running Series
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Oct 6, 2024Sunday
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13.1M, 5K run
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Fort Collins, CO
Larimer County, CO
4. Windsor Marathon
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Oct 6, 2024Sunday
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26.2M, 13.1M, 10K, 5K run | kids run
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Windsor, CO
12 miles point to pointWeld County, CO
5. Paws in the Park
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Past DateOct 7, 2023Saturday
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5K run
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Longmont, CO
29 miles point to pointBoulder County, CO
6. Long View Marathon
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Oct 12, 2024Saturday
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26.2M, 13.1M, 5K run
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Boston Marathon Qualifier
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startFort Collins, COfinishLoveland, CO13 miles point to pointLarimer County, COLarimer County, CO
7. South Boulder Creek parkrun
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Oct 12, 2024Saturday
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5K run
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Boulder, CO
41 miles point to pointBoulder County, CO
8. The Arc of Adams County All-Ability Halloween 5K Run/Walk
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Oct 12, 2024Saturday
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5K run
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Brighton, CO
44 miles point to pointAdams County, CO
9. The Pretzel Run Colorado
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Oct 12, 2024Saturday
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10K, 5K run | kids run
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Louisville, CO
42 miles point to pointBoulder County, CO
10. Boulder XC Series Meet 1
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Past DateOct 14, 2023Saturday
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5K, 3K, 1K run
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Boulder, CO
41 miles point to pointBoulder County, CO
11. Mustang Music 5K
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Past DateOct 14, 2023Saturday
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5K, 1M run
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Fort Collins, CO
Larimer County, CO
12. Gummball 5K
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Oct 19, 2024Saturday
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5K run
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Brighton, CO
44 miles point to pointAdams County, CO
13. South Boulder Creek parkrun
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Oct 19, 2024Saturday
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5K run
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Boulder, CO
41 miles point to pointBoulder County, CO
14. Howl-O-Ween 5K
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Past DateOct 21, 2023Saturday
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5K run | kids run
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Severance, CO
13 miles point to pointWeld County, CO
15. Brakes on Breast Cancer 5K
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Past DateOct 22, 2023Sunday
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5K run
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Loveland, CO
13 miles point to pointLarimer County, CO
16. CSU Homecoming 5K
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Oct 26, 2024Saturday
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5K run | kids run
Virtual OptionMore Information
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Fort Collins, CO
Larimer County, CO
17. South Boulder Creek parkrun
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Oct 26, 2024Saturday
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5K run
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Boulder, CO
41 miles point to pointBoulder County, CO
18. MonsterDash Run - Louisville
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Oct 27, 2024Sunday
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10K, 5K trail run | kids run
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Louisville, CO
42 miles point to pointBoulder County, CO
19. Eerie Erie
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Past DateOct 28, 2023Saturday
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10K, 5K run | kids run
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Erie, CO
37 miles point to pointWeld County, CO
20. Run Fur Fun 5K
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Past DateOct 28, 2023Saturday
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5K run
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Fort Collins, CO
Larimer 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.