April 5Ks in Colorado
1. Aspen parkrun
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Apr 5, 2025Saturday
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5K run
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Aspen, CO
Pitkin County, CO
2. Run the Ranch
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Past DateApr 5, 2024Friday
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10K, 5K trail run
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Loveland, CO
Larimer County, CO
3. South Boulder Creek parkrun
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Apr 5, 2025Saturday
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5K run
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Boulder, CO
Boulder County, CO
4. Aurora Polar Plunge and 5K
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Past DateApr 6, 2024Saturday
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5K run
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Aurora, CO
Arapahoe County, CO
5. Baylon Michael Meyer 5K/10K Memorial Run
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Past DateApr 6, 2024Saturday
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10K, 5K run
Virtual OptionMore Information
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Pueblo West, CO
Pueblo County, CO
6. Donut Dash 5K
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Apr 6, 2025Sunday
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5K run
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Denver, CO
Denver County, CO
7. Elevate Kids Fun Run
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Apr 6, 2025Sunday
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10K, 5K, 2.5K run
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Grand Junction, CO
Mesa County, CO
8. Mav Days 5K Run/Walk
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Past DateApr 6, 2024Saturday
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5K run | kids run
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Grand Junction, CO
Mesa County, CO
9. Raptor Run
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Past DateApr 6, 2024Saturday
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5K run
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Brighton, CO
Adams County, CO
10. Aspen parkrun
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Past DateApr 13, 2024Saturday
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5K run
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Aspen, CO
Pitkin County, CO
11. 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
Boulder County, CO
12. South Boulder Creek parkrun
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Past DateApr 13, 2024Saturday
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5K run
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Boulder, CO
Boulder County, CO
13. 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
Jefferson County, CO
14. The Diabetes Link at CU 5K Run/Walk
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Past DateApr 13, 2024Saturday
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5K run
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Boulder, CO
Boulder County, CO
15. 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
Adams County, COJefferson County, CO
16. Aspen parkrun
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Past DateApr 20, 2024Saturday
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5K run
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Aspen, CO
Pitkin County, CO
17. Earth Day 5K/10K
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Past DateApr 20, 2024Saturday
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10K, 5K run | kids run
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Loveland, CO
Larimer County, CO
18. Five Star Fun Run and 5K
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Past DateApr 20, 2024Saturday
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5K, 1M run
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Brighton, CO
Adams County, CO
19. 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
Weld County, CO
20. Huff and Puff 5K
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Past DateApr 20, 2024Saturday
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5K run
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Trinidad, CO
Las Animas 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.