Half Marathons within 50 miles of Westminster, CO on Weekends
City Location
1. That Dam Run
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Past DateMar 3, 2024Sunday
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13.1M, 10K, 5K run | kids run
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Greenwood Village, CO
16 miles point to pointArapahoe County, CO
2. Boulder Rez Half
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Past DateApr 13, 2024Saturday
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13.1M, 10K, 5K run
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Boulder, CO
17 miles point to pointBoulder County, CO
3. Great Western Trail Race
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Past DateApr 20, 2024Saturday
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13.1M, 10K, 5K run | kids run
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Severance, CO
49 miles point to pointWeld County, CO
4. Time Travel Half Marathon
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Past DateApr 20, 2024Saturday
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13.1M, 10K, 5K run
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Westminster, CO
Adams County, COJefferson County, CO
5. Blue Heron Half and 5K
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Past DateApr 21, 2024Sunday
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13.1M, 5K run
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Brighton, CO
16 miles point to pointAdams County, CO
6. 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
20 miles point to pointWeld County, CO
7. Boulder Mothers Day Run
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Past DateMay 12, 2024Sunday
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13.1M, 10K, 5K trail run
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Boulder, CO
17 miles point to pointBoulder County, CO
8. Latino Ultra Nature Adventure
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Past DateJun 1, 2024Saturday
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50K, 13.1M, 7.5M, 5K run
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Golden, CO
11 miles point to pointJefferson County, CO
9. Mountain Ridge Trail Race
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Past DateJun 1, 2024Saturday
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21M, 13.1M, 10K, 5K trail run
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Highlands Ranch, CO
20 miles point to pointDouglas County, CO
10. REVEL Rockies
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Past DateJun 1, 2024Saturday
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26.2M, 13.1M run
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Boston Marathon Qualifier
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Denver, CO
7 miles point to pointDenver County, CO
11. Estes Park Marathon
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Past DateJun 16, 2024Sunday
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26.2M, 13.1M run
Virtual OptionMore Information
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Estes Park, CO
45 miles point to pointLarimer County, CO
12. Red, White and Brew 5K, 10K & Half Marathon
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Past DateJun 22, 2024Saturday
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13.1M, 10K, 5K run | last man standing | kids run
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Windsor, CO
45 miles point to pointWeld County, CO
13. Slacker Half Marathon
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Past DateJun 22, 2024Saturday
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13.1M, 4M run | 13.1M relay
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Georgetown, CO
36 miles point to pointClear Creek County, CO
14. Boulder Rez Marathon
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Past DateAug 3, 2024Saturday
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26.2M, 19.7M, 13.1M, 10K run | 26.2M relay
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Boulder, CO
17 miles point to pointBoulder County, CO
15. I'm Bound for Boston Marathon & Half Marathon - Denver
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Past DateAug 4, 2024Sunday
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26.2M, 13.1M run
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Denver, CO
7 miles point to pointDenver County, CO
16. Georgetown to Idaho Springs Half Marathon
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Past DateAug 10, 2024Saturday
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13.1M run
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startGeorgetown, CO36 miles point to pointfinishIdaho Springs, CO26 miles point to pointClear Creek County, COClear Creek County, CO
17. Erie Half & 5K
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Past DateAug 18, 2024Sunday
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13.1M, 5K run
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Erie, CO
15 miles point to pointWeld County, CO
18. Byers Peak Stampede
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Past DateAug 24, 2024Saturday
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13.1M, 5K trail run
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Fraser, CO
42 miles point to pointGrand County, CO
19. Staunton Rocks! Marathon & Half
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Past DateAug 24, 2024Saturday
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26.2M, 13.1M trail run
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Pine, CO
33 miles point to pointJefferson County, CO
20. Westminster Trail Race
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Past DateAug 24, 2024Saturday
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13.1M, 10K, 5K trail run
More Information
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Westminster, CO
Adams County, COJefferson 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.
