May Races within 50 miles of Louisville, 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. South Boulder Creek parkrun
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May 3, 2025Saturday
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5K run
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Boulder, CO
8 miles point to pointBoulder County, CO
2. Adams County Foster Care 5K
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Past DateMay 4, 2024Saturday
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5K, 1M run
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Brighton, CO
17 miles point to pointAdams County, CO
3. Bob Turner Classic 5K
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Past DateMay 4, 2024Saturday
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5K run
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Berthoud, CO
23 miles point to pointLarimer County, CO
4. Colorado Marathon
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May 4, 2025Sunday
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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
42 miles point to pointLarimer County, CO
5. Duck Waddle 5K
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Past DateMay 4, 2024Saturday
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5K run
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Estes Park, CO
34 miles point to pointLarimer County, CO
6. Federal Cup 5K
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Past DateMay 4, 2024Saturday
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5K run | kids run
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Lakewood, CO
19 miles point to pointJefferson County, CO
7. GiGi's 5K
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Past DateMay 4, 2024Saturday
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5K run
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Lakewood, CO
19 miles point to pointJefferson County, CO
8. Healthy Kids Running Series - Fort Collins
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Past DateMay 4, 2024Saturday
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kids run
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Fort Collins, CO
42 miles point to pointLarimer County, CO
9. Hope House 5K & Fun Run
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Past DateMay 4, 2024Saturday
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5K, 1M run
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Arvada, CO
12 miles point to pointJefferson County, CO
10. New Vision 5K
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Past DateMay 4, 2024Saturday
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5K run
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Loveland, CO
29 miles point to pointLarimer County, CO
11. Run For The Trees
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Past DateMay 4, 2024Saturday
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2M run
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Loveland, CO
29 miles point to pointLarimer County, CO
12. Run for the Trees - BSBF 2 Mile Run
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Past DateMay 4, 2024Saturday
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2M run
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Loveland, CO
29 miles point to pointLarimer County, CO
13. We Care Community 5K
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Past DateMay 4, 2024Saturday
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5K run
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Keenesburg, CO
34 miles point to pointWeld County, CO
14. Altitude Elementary Moose Mudder
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Past DateMay 5, 2024Sunday
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5K, 1K run
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Aurora, CO
23 miles point to pointArapahoe County, CO
15. RMRR Trophy Series - May
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Past DateMay 5, 2024Sunday
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5M, 5K run
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Denver, CO
18 miles point to pointDenver County, CO
16. Dash & Dine 5K Series
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Past DateMay 7, 2024Tuesday
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5K run
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Boulder, CO
8 miles point to pointBoulder County, CO
17. South Boulder Creek parkrun
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May 10, 2025Saturday
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5K run
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Boulder, CO
8 miles point to pointBoulder County, CO
18. Carbon Valley Half Marathon
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Past DateMay 11, 2024Saturday
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13.1M, 5K, 1M run | 13.1M relay | kids run
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Firestone, CO
14 miles point to pointWeld County, CO
19. CMRA Tucker Lake 6.5 Mile
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Past DateMay 11, 2024Saturday
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6.5M run
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Arvada, CO
12 miles point to pointJefferson County, CO
20. Colorado Friends of First Responders Annual Run
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Past DateMay 11, 2024Saturday
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10K, 5K run
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Littleton, CO
26 miles point to pointArapahoe 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.
