Half Marathons within 50 miles of Arvada, CO
1. Calarat Challenge Trail Running Festival
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Past DateSep 3, 2023Sunday
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13.1M, 10K, 5K trail run | kids run
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Jamestown, CO
27 miles point to pointBoulder County, CO
2. Ned Ned Run
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Past DateSep 9, 2023Saturday
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13.1M, 10K, 5K trail run
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Nederland, CO
26 miles point to pointBoulder County, CO
3. Adams Half & 5K
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Past DateSep 17, 2023Sunday
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13.1M, 5K run
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Brighton, CO
19 miles point to pointAdams County, CO
4. Latino Ultra Nature Adventure
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Past DateOct 22, 2023Sunday
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55K, 13.1M, 10K, 5K run
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Boulder, CO
18 miles point to pointBoulder County, CO
5. Ralston Creek Half Marathon
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Past DateFeb 18, 2024Sunday
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13.1M, 5K run
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Arvada, CO
Jefferson County, CO
6. 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
14 miles point to pointArapahoe County, CO
7. Time to Paddy 5K/10K and Lucky 13.1
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Past DateMar 3, 2024Sunday
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13.1M, 10K, 5K run | kids run
Virtual OptionMore Information
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Denver, CO
6 miles point to pointDenver County, CO
8. Three Creeks Half Marathon
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Apr 7, 2024Sunday
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13.1M run
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Denver, CO
6 miles point to pointDenver County, CO
9. All-Out Beat the Heat
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Apr 13, 2024Saturday
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13.1M, 10K, 5K run
Virtual OptionMore Information
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Boston Marathon Qualifier
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Westminster, CO
3 miles point to pointAdams County, COJefferson County, CO
10. Boulder Rez Half
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Apr 13, 2024Saturday
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13.1M, 10K, 5K run
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Boulder, CO
18 miles point to pointBoulder County, CO
11. Platte River Half Marathon
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Apr 14, 2024Sunday
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13.1M run | 13.1M relay
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Littleton, CO
13 miles point to pointArapahoe County, CO
12. Spring Fling Prairie Dog Half
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Apr 14, 2024Sunday
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13.1M, 10K, 5K run | kids run
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Arvada, CO
Jefferson County, CO
13. Time Travel Half Marathon
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Apr 20, 2024Saturday
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13.1M, 10K, 5K run
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Westminster, CO
3 miles point to pointAdams County, COJefferson County, CO
14. Blue Heron Half and 5K
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Apr 21, 2024Sunday
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13.1M, 5K run
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Brighton, CO
19 miles point to pointAdams County, CO
15. NOCO Half Marathon & 10K
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Apr 27, 2024Saturday
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13.1M, 10K run
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Loveland, CO
41 miles point to pointLarimer County, CO
16. Rock Hawk Trail Races
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Apr 27, 2024Saturday
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13.1M, 10K, 5K trail run
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Castle Rock, CO
32 miles point to pointDouglas County, CO
17. Runs With Scissors Races
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Apr 27, 2024Saturday
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50K, 26.2M, 13.1M run
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Brighton, CO
19 miles point to pointAdams County, CO
18. 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
23 miles point to pointWeld County, CO
19. Boulder Mothers Day Run
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May 12, 2024Sunday
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13.1M, 10K, 5K trail run
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Boulder, CO
18 miles point to pointBoulder County, CO
20. Denver Colfax Marathon
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May 19, 2024Sunday
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26.2M, 13.1M, 10M run | 26.2M relay
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Boston Marathon Qualifier
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Denver, CO
6 miles point to pointDenver 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.