Upcoming Races in Colorado on Sundays
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. Colorado Springs Spartan Trifecta
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Jun 16, 2024Sunday
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10K, 5K, 1K obstacle run
More Information
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Colorado Springs, CO
El Paso County, CO
2. Desert RATS Kokopelli 150 Stage Race
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Jun 16, 2024Sunday
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148M trail run
More Information
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startFruita, COfinishMoab, UTMesa County, COGrand County, UT
3. Estes Park Marathon
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Jun 16, 2024Sunday
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26.2M, 13.1M run
Virtual OptionMore Information
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Estes Park, CO
Larimer County, CO
4. Father's Day Classic
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Jun 16, 2024Sunday
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10K, 5K, 1M run
More Information
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Arvada, CO
Jefferson County, CO
5. Too Hot to Trot 5K
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Jun 16, 2024Sunday
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5K run
More Information
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Greeley, CO
Weld County, CO
6. 5K To Fight Histio
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Jun 23, 2024Sunday
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5K run
More Information
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Colorado Springs, CO
El Paso County, CO
7. Boulder Sunrise 10K and 5K
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Jun 23, 2024Sunday
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10K, 5K run
More Information
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Boulder, CO
Boulder County, CO
8. Boulder Sunrise Triathlon
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Jun 23, 2024Sunday
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olympic, sprint triathlon | sprint duathlon
More Information
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Boulder, CO
Boulder County, CO
9. Buffs4Life Kyle MacIntosh Memorial Fun Run
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Jun 23, 2024Sunday
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5K, 3K run
Virtual OptionMore Information
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Boulder, CO
Boulder County, CO
10. Mt. Evans Ascent
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Jun 23, 2024Sunday
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14.5M run
More Information
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Idaho Springs, CO
Clear Creek County, CO
11. Ring the Springs
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Jun 23, 2024Sunday
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50M, 25K trail run
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Colorado Springs, CO
El Paso County, CO
12. South Suburban Youth & Adult TRYathlon
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Jun 23, 2024Sunday
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triathlon | youth triathlon
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Centennial, CO
Arapahoe County, CO
13. Strawberry Shortcut
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Jun 23, 2024Sunday
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10K, 5K, 1M run
More Information
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Glenwood Springs, CO
Garfield County, CO
14. Sunset Trail Running Festival
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Jun 23, 2024Sunday
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28K, 12K, 5K trail run | kids run
More Information
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Boulder, CO
Boulder County, CO
15. Colorado Brewery Running Series
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Jun 30, 2024Sunday
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5K run
More Information
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Boulder, CO
Boulder County, CO
16. Firecracker 4 and 8 Mile
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Jun 30, 2024Sunday
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8M, 4M, 1M run
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Thornton, CO
Adams County, CO
17. Kendall Mountain Run
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Jul 7, 2024Sunday
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12M, 11K trail run
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Silverton, CO
San Juan County, CO
18. RMRR Trophy Series - July
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Jul 7, 2024Sunday
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2M run
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Lakewood, CO
Jefferson County, CO
19. Barr Lake 30K and 15K
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Jul 14, 2024Sunday
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30K, 15K trail run
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Brighton, CO
Adams County, CO
20. Boulder Peak Triathlon
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Jul 14, 2024Sunday
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olympic triathlon | olympic duathlon
More Information
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Boulder, CO
Boulder 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.
