April Half Marathons within 200 miles of Parker, 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
44 miles point to pointBoulder County, CO
2. Horsetooth Half Marathon
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Apr 13, 2025Sunday
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13.1M run
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Fort Collins, CO
76 miles point to pointLarimer County, CO
3. Platte River Half Marathon
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Apr 13, 2025Sunday
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13.1M run | 13.1M relay
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Littleton, CO
15 miles point to pointArapahoe County, CO
4. Spring Fling Prairie Dog Half
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Apr 13, 2025Sunday
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13.1M, 10K, 5K run | kids run
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Arvada, CO
26 miles point to pointJefferson County, CO
5. Three Creeks Half Marathon
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Apr 13, 2025Sunday
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13.1M run
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Denver, CO
19 miles point to pointDenver County, CO
6. All-Out Beat the Heat
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Apr 19, 2025Saturday
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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
26 miles point to pointAdams County, COJefferson County, CO
7. 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
70 miles point to pointWeld County, CO
8. 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
26 miles point to pointAdams County, COJefferson County, CO
9. 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
32 miles point to pointAdams County, CO
10. 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
47 miles point to pointEl Paso County, CO
11. Bigfoot Half Marathon & 5k
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Apr 26, 2025Saturday
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13.1M, 5K run
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Estes Park, CO
72 miles point to pointLarimer County, CO
12. Runs With Scissors Races
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Apr 26, 2025Saturday
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50K, 26.2M, 13.1M run
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Brighton, CO
32 miles point to pointAdams County, CO
13. NOCO Half Marathon & 10K
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Apr 27, 2025Sunday
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13.1M, 10K run
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Loveland, CO
63 miles point to pointLarimer 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.