Half Marathons within 200 miles of Golden, CO
City Location
Featured Listing
1. Boulderthon: Downtown Boulder Marathon
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Sep 28, 2025Sunday
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26.2M, 13.1M, 10K, 5K run | kids run
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Boulder, CO
Boulder County, CO
1. 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
18 miles point to pointBoulder County, CO
2. 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
57 miles point to pointWeld County, CO
3. 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
11 miles point to pointAdams County, COJefferson County, CO
4. Time Travel Half Marathon - Colorado Springs
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Past DateApr 21, 2024Sunday
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13.1M, 10K, 5K, 1M run
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Colorado Springs, CO
66 miles point to pointEl Paso County, CO
5. 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
29 miles point to pointWeld County, CO
6. Wyoming Marathon Races
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Past DateMay 26, 2024Sunday
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50K, 26.2M, 13.1M, 5K trail run
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Laramie, WY
110 miles point to pointAlbany County, WY
7. Basalt Half Marathon
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Past DateJun 1, 2024Saturday
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13.1M run | 13.1M relay
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Basalt, CO
100 miles point to pointEagle 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
Jefferson 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
19 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
12 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
46 miles point to pointLarimer County, CO
12. 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
26 miles point to pointClear Creek County, CO
13. Aspen Valley Marathon
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Past DateJul 13, 2024Saturday
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26.2M, 13.1M, 5K run
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Boston Marathon Qualifier
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Aspen, CO
93 miles point to pointPitkin 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
18 miles point to pointBoulder County, CO
15. Popsicle 5K/10K/Half - Colorado Springs
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Past DateAug 3, 2024Saturday
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13.1M, 10K, 5K run
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Colorado Springs, CO
66 miles point to pointEl Paso County, CO
16. Emerald Mountain Epic
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Past DateAug 4, 2024Sunday
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26.2M, 13.1M trail run
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Steamboat Springs, CO
99 miles point to pointRoutt County, CO
17. 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
12 miles point to pointDenver County, CO
18. 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, CO26 miles point to pointfinishIdaho Springs, CO16 miles point to pointClear Creek County, COClear Creek County, CO
19. Med Bow Rail Marathon & Half Marathon
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Past DateAug 10, 2024Saturday
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26.2M, 13.1M run
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Laramie, WY
110 miles point to pointAlbany County, WY
20. Run the Rockies Trail Race
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Past DateAug 10, 2024Saturday
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13.1M, 10K trail run
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Frisco, CO
48 miles point to pointSummit 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.