Upcoming Races in Colorado
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
401. The Cheyenne Mountain Run
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Aug 17, 2024Saturday
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25K, 10K, 5K trail run
More Information
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Cheyenne Mountain State Park, CO
El Paso County, CO
402. Valley 5000
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Aug 17, 2024Saturday
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5K run | kids run
Virtual OptionMore Information
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Loveland, CO
Larimer County, CO
403. Erie Half & 5K
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Aug 18, 2024Sunday
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13.1M, 5K run
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Erie, CO
Weld County, CO
404. Outdoor Divas Sprint Triathlon
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Aug 18, 2024Sunday
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sprint triathlon
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Women Only
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Longmont, CO
Boulder County, CO
405. Lory Summer Trail Series
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Aug 20, 2024Tuesday
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5K trail run
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Fort Collins, CO
Larimer County, CO
406. Aspen parkrun
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Aug 24, 2024Saturday
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5K run
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Aspen, CO
Pitkin County, CO
407. Boulder Sunset 10K/5K
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Aug 24, 2024Saturday
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10K, 5K run
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Boulder, CO
Boulder County, CO
408. Boulder Sunset Triathlon
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Aug 24, 2024Saturday
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olympic, sprint triathlon | sprint duathlon
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Boulder, CO
Boulder County, CO
409. Byers Peak Stampede
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Aug 24, 2024Saturday
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13.1M, 5K trail run
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Winter Park, CO
Grand County, CO
410. Colorado 6 Dot Dash
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Aug 24, 2024Saturday
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5K run | kids run
Virtual OptionMore Information
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Littleton, CO
Arapahoe County, CO
411. Continental Divide Trail Run
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Aug 24, 2024Saturday
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50K, 16M trail run
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Steamboat Springs, CO
Routt County, CO
412. Frontier Academy Community 5K
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Aug 24, 2024Saturday
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5K run
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Greeley, CO
Weld County, CO
413. Gunni Hi Tri
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Aug 24, 2024Saturday
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sprint triathlon | youth triathlon
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Gunnison, CO
Gunnison County, CO
414. Jog in the Bog 5K
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Aug 24, 2024Saturday
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5K run
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Westminster, CO
Adams County, COJefferson County, CO
415. Longmont Kids Only Triathlon
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Aug 24, 2024Saturday
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youth triathlon
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Longmont, CO
Boulder County, CO
416. Longmont Try-a-Tri
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Aug 24, 2024Saturday
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supersprint triathlon
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Longmont, CO
Boulder County, CO
417. Protect the Children 5K
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Aug 24, 2024Saturday
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5K run | kids run
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Colorado Springs, CO
El Paso County, CO
418. Severance Days 5K
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Aug 24, 2024Saturday
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5K, 1M run
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Severance, CO
Weld County, CO
419. South Boulder Creek parkrun
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Aug 24, 2024Saturday
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5K run
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Boulder, CO
Boulder County, CO
420. Staunton Rocks! Marathon & Half
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Aug 24, 2024Saturday
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26.2M, 13.1M trail run
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Pine, CO
Jefferson 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.