Upcoming Races within 50 miles of Longmont, 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.
Featured Listing
1. 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
Larimer County, CO
1. Carbon Valley Half Marathon
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May 11, 2024Saturday
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13.1M, 5K, 1M run | 13.1M relay | kids run
More Information
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Firestone, CO
9 miles point to pointWeld County, CO
2. CMRA Tucker Lake 6.5 Mile
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May 11, 2024Saturday
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6.5M run
More Information
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Arvada, CO
25 miles point to pointJefferson County, CO
3. Colorado Brewery Running Series
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May 11, 2024Saturday
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5K run
More Information
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Northglenn, CO
20 miles point to pointAdams County, CO
4. Colorado Friends of First Responders Annual Run
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May 11, 2024Saturday
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10K, 5K run
More Information
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Littleton, CO
38 miles point to pointArapahoe County, CO
5. Colorado Friends of First Responders
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May 11, 2024Saturday
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10K, 5K run | kids run
More Information
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Littleton, CO
38 miles point to pointArapahoe County, CO
6. Girls on the Run 5K
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May 11, 2024Saturday
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5K run
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Longmont, CO
Boulder County, CO
7. Healthy Kids Running Series - Fort Collins
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May 11, 2024Saturday
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kids run
More Information
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Fort Collins, CO
29 miles point to pointLarimer County, CO
8. High Line Canal Run
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May 11, 2024Saturday
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10K, 5K run
More Information
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Centennial, CO
42 miles point to pointArapahoe County, CO
9. HRCA Mother's Day 5K
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May 11, 2024Saturday
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5K run
More Information
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Highlands Ranch, CO
43 miles point to pointDouglas County, CO
10. Quad Rock 50
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May 11, 2024Saturday
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50M, 25M trail run
More Information
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Fort Collins, CO
29 miles point to pointLarimer County, CO
11. South Boulder Creek parkrun
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May 11, 2024Saturday
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5K run
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Boulder, CO
14 miles point to pointBoulder County, CO
12. Boulder Mothers Day Run
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May 12, 2024Sunday
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13.1M, 10K, 5K trail run
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Boulder, CO
14 miles point to pointBoulder County, CO
13. Colorado Women's Classic - Westminster
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May 12, 2024Sunday
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10M, 10K, 5K run | kids run
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Women Only
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Westminster, CO
23 miles point to pointAdams County, COJefferson County, CO
14. Frank Shorter Track Classic
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May 12, 2024Sunday
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track meet
More Information
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Longmont, CO
Boulder County, CO
15. Head and Neck Cancer A Hard Thing to Swallow 5K/10K
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May 12, 2024Sunday
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10K, 5K run
Virtual OptionMore Information
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Thornton, CO
22 miles point to pointAdams County, CO
16. Mothers Day 5K
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May 12, 2024Sunday
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5K run
More Information
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Denver, CO
30 miles point to pointDenver County, CO
17. Dash & Dine 5K Series
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May 14, 2024Tuesday
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5K run
More Information
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Boulder, CO
14 miles point to pointBoulder County, CO
18. Know. Grow. GO RUN 5K
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May 17, 2024Friday
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5K run
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Loveland, CO
16 miles point to pointLarimer County, CO
19. Canine On the Creek
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May 18, 2024Saturday
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5K, 1M run
More Information
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Dumont, CO
38 miles point to pointClear Creek County, CO
20. Colorado Brewery Running Series
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May 18, 2024Saturday
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5K run
More Information
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Lafayette, CO
12 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.