Upcoming Races in Weld County, 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.
City Location
1. Women2Women 5K
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Mar 25, 2023Saturday
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5K run
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Greeley, CO
Weld County, CO
2. Severance 5K Color Run
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Apr 2, 2023Sunday
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5K, 1M novelty run
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Severance, CO
Weld County, CO
3. We Care Chili Chase - Community 5K
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Apr 28, 2023Friday
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5K run
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Keenesburg, CO
Weld County, CO
4. Carbon Valley Half Marathon
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May 13, 2023Saturday
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13.1M, 5K, 1M run | 13.1M relay | kids run
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Firestone, CO
Weld County, CO
5. Cerus Fitness Festival
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May 20, 2023Saturday
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5K, 1M run | obstacle run
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Frederick, CO
Weld County, CO
6. Weld Your Mettle Ultra Marathon
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May 27, 2023Saturday
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50K, 26.2M, 7K run | kids run
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Windsor, CO
Weld County, CO
7. Into The Wild Running Festival
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Jun 3, 2023Saturday
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10K, 5K run
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Keenesburg, CO
Weld County, CO
8. Muddy Dash - Denver
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Jun 17, 2023Saturday
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5K mud run
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Erie, CO
Weld County, CO
9. Red White and Brew 10K/5K
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Jun 24, 2023Saturday
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10K, 5K run
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Windsor, CO
Weld County, CO
10. CerusForge
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Jul 23, 2023Sunday
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20M adventure race
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Frederick, CO
Weld County, CO
11. Cerus DryTri
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Aug 5, 2023Saturday
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other triathlon
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Frederick, CO
Weld County, CO
12. Muddy Kids
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Aug 5, 2023Saturday
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kids run
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Erie, CO
Weld County, CO
13. Muddy Princess
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Aug 6, 2023Sunday
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5K mud run
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Women Only
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Erie, CO
Weld County, CO
14. Erie Half & 5K
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Aug 20, 2023Sunday
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13.1M, 5K run
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Erie, CO
Weld County, CO
15. CerusBolt
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Sep 15, 2023Friday
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5K obstacle run | run
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La Salle, CO
Weld County, CO
16. CerusBolt
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Sep 16, 2023Saturday
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5K, 1M obstacle run
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La Salle, CO
Weld County, CO
17. Superhero Event
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Sep 16, 2023Saturday
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10K, 5K, 1M run | kids run
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Greeley, CO
Weld County, CO
18. Windsor Wiesn Mile and 5 Mile
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Sep 23, 2023Saturday
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5K, 1M run
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Windsor, CO
Weld County, CO
19. Terrain Race - Denver
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Sep 30, 2023Saturday
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kids run | 5K mud run
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Erie, CO
Weld County, CO
20. Windsor Marathon
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Oct 8, 2023Sunday
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26.2M, 13.1M, 10K, 5K run | kids run
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Windsor, CO
Weld 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.