September Races within 100 miles of Frisco, CO on Weekends
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.
City Location
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. 10K at 10,000 Feet Trail Run
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Sep 1, 2024Sunday
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10K, 5K trail run
More Information
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Steamboat Springs, CO
74 miles point to pointRoutt County, CO
2. Calarat Challenge Trail Running Festival
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Sep 1, 2024Sunday
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13.1M, 10K trail run
More Information
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Jamestown, CO
53 miles point to pointBoulder County, CO
3. Denver Broncos 7K
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Sep 1, 2024Sunday
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7K run | kids run
More Information
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Denver, CO
59 miles point to pointDenver County, CO
4. Orangetheory 5K at Labor Day Lift Off
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Sep 1, 2024Sunday
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5K run
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Colorado Springs, CO
85 miles point to pointEl Paso County, CO
5. Wine Run 5K at Holy Cross Abbey
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Sep 1, 2024Sunday
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5K run
More Information
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Canon City, CO
90 miles point to pointFremont County, CO
6. Breck Crest Mountain Marathon
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Past DateSep 3, 2023Sunday
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23M, 13.1M, 10K trail run
More Information
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Breckenridge, CO
7 miles point to pointSummit County, CO
7. Aspen parkrun
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Sep 7, 2024Saturday
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5K run
More Information
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Aspen, CO
47 miles point to pointPitkin County, CO
8. Black Squirrel Half Marathon
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Sep 7, 2024Saturday
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13.1M trail run
More Information
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Bellvue, CO
87 miles point to pointLarimer County, CO
9. Blue Shoe Run for Prostate Cancer
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Sep 7, 2024Saturday
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5K run
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Denver, CO
59 miles point to pointDenver County, CO
10. Cirque Series - Arapahoe Basin
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Sep 7, 2024Saturday
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8.8M trail run
More Information
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Keystone, CO
8 miles point to pointSummit County, CO
11. Devil on the Divide
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Sep 7, 2024Saturday
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50K, 22K trail run
More Information
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Empire, CO
25 miles point to pointClear Creek County, CO
12. Harvest Moon Long Course Triathlon
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Sep 7, 2024Saturday
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half triathlon | half duathlon
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Boulder, CO
53 miles point to pointBoulder County, CO
13. Littlefoot Triathlon
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Sep 7, 2024Saturday
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sprint triathlon
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Lakewood, CO
54 miles point to pointJefferson County, CO
14. Nielson Two Mile Challenge
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Sep 7, 2024Saturday
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2M trail run
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Colorado Springs, CO
85 miles point to pointEl Paso County, CO
15. RexRun For PAWSitivity 5K Trail Run/Walk
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Sep 7, 2024Saturday
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5K trail run | kids run
Virtual OptionMore Information
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Aurora, CO
68 miles point to pointArapahoe County, CO
16. SheSprints
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Sep 7, 2024Saturday
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sprint triathlon | sprint triathlon relay | sprint duathlon
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Women Only
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Aurora, CO
68 miles point to pointArapahoe County, CO
17. 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
59 miles point to pointDenver County, CO
18. South Boulder Creek parkrun
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Sep 7, 2024Saturday
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5K run
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Boulder, CO
53 miles point to pointBoulder County, CO
19. Denver Rocks Run 5K/10K
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Sep 8, 2024Sunday
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10K, 5K run
More Information
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Denver, CO
59 miles point to pointDenver County, CO
20. Honey Bee Hustle
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Sep 8, 2024Sunday
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1.5H run
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Loveland, CO
78 miles point to pointLarimer 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.