May Races within 50 miles of Windsor, CO on Weekends
Westminster, CO
Colorado Brewery Running Series
May 4, 2024
Colorado Women's Classic - Westminster
May 12, 2024
Berthoud, CO
Bob Turner Classic 5K
May 4, 2024
Loveland, CO
New Vision 5K
May 4, 2024
Run For The Trees
May 4, 2024
Run for the Trees - BSBF 2 Mile Run
May 4, 2024
Arvada, CO
Hope House 5K & Fun Run
May 4, 2024
CMRA Tucker Lake 6.5 Mile
May 11, 2024
Miles for Smiles 5K
May 19, 2024
Estes Park, CO
Duck Waddle 5K
May 4, 2024
Boulder, CO
South Boulder Creek parkrun
Mar 22, 2025
Mar 29, 2025
Apr 6, 2024
Apr 13, 2024
48 more
Boulder Mothers Day Run
May 12, 2024
Brighton, CO
Adams County Foster Care 5K
May 4, 2024
Firestone, CO
Carbon Valley Half Marathon
May 11, 2024
Northglenn, CO
Colorado Brewery Running Series
May 11, 2024
Fort Collins, CO
Colorado Run
May 27, 2023
Healthy Kids Running Series
Apr 27, 2024
May 4, 2024
May 18, 2024
Apr 20, 2024
1 more
Colorado Marathon
May 5, 2024
Quad Rock 50
May 11, 2024
Healing Warriors Program 5K Fun Run
May 19, 2024
Frederick, CO
Cerus Fitness Festival
May 20, 2023
Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
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.
1. Adams County Foster Care 5K
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May 4, 2024Saturday
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5K, 1M run
More Information
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Brighton, CO
34 miles point to pointAdams County, CO
2. Bob Turner Classic 5K
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May 4, 2024Saturday
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5K run
More Information
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Berthoud, CO
15 miles point to pointLarimer County, CO
3. Cinco de Mayo 5K
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May 4, 2024Saturday
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5K run
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Cheyenne, WY
46 miles point to pointLaramie County, WY
4. Colorado Brewery Running Series
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May 4, 2024Saturday
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5K run
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Westminster, CO
45 miles point to pointAdams County, COJefferson County, CO
5. Duck Waddle 5K
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May 4, 2024Saturday
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5K run
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Estes Park, CO
34 miles point to pointLarimer County, CO
6. Healthy Kids Running Series - Fort Collins
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May 4, 2024Saturday
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kids run
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Fort Collins, CO
12 miles point to pointLarimer County, CO
7. Hope House 5K & Fun Run
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May 4, 2024Saturday
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5K, 1M run
More Information
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Arvada, CO
48 miles point to pointJefferson County, CO
8. New Vision 5K
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May 4, 2024Saturday
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5K run
More Information
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Loveland, CO
11 miles point to pointLarimer County, CO
9. Run For The Trees
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May 4, 2024Saturday
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2M run
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Loveland, CO
11 miles point to pointLarimer County, CO
10. Run for the Trees - BSBF 2 Mile Run
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May 4, 2024Saturday
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2M run
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Loveland, CO
11 miles point to pointLarimer County, CO
11. South Boulder Creek parkrun
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May 4, 2024Saturday
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5K run
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Boulder, CO
38 miles point to pointBoulder County, CO
12. Colorado Marathon
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May 5, 2024Sunday
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26.2M, 13.1M, 10K, 5K run | 26.2M relay
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Boston Marathon Qualifier
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Fort Collins, CO
12 miles point to pointLarimer County, CO
13. 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
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Firestone, CO
25 miles point to pointWeld County, CO
14. CMRA Tucker Lake 6.5 Mile
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May 11, 2024Saturday
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6.5M run
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Arvada, CO
48 miles point to pointJefferson County, CO
15. Colorado Brewery Running Series
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May 11, 2024Saturday
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5K run
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Northglenn, CO
41 miles point to pointAdams County, CO
16. Girls on the Run 5K
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May 11, 2024Saturday
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5K run
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Longmont, CO
24 miles point to pointBoulder County, CO
17. Healthy Kids Running Series - Fort Collins
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May 11, 2024Saturday
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kids run
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Fort Collins, CO
12 miles point to pointLarimer County, CO
18. Quad Rock 50
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May 11, 2024Saturday
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50M, 25M trail run
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Fort Collins, CO
12 miles point to pointLarimer County, CO
19. Run Like A Mother 5K
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May 11, 2024Saturday
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5K run
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Cheyenne, WY
46 miles point to pointLaramie County, WY
20. South Boulder Creek parkrun
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May 11, 2024Saturday
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5K run
More Information
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Boulder, CO
38 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.