April Classic Races in Colorado on Weekends
City Location
1. Aspen parkrun
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Apr 5, 2025Saturday
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5K run
More Information
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Aspen, CO
Pitkin County, CO
2. Nielson Two Mile Challenge
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Apr 5, 2025Saturday
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2M trail run
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Colorado Springs, CO
El Paso 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. 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
5. Donut Dash 5K
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Apr 6, 2025Sunday
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5K run
More Information
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Denver, CO
Denver County, CO
6. 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
7. 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
8. 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
9. Run the Ranch
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Past DateApr 6, 2024Saturday
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12H, 6H, 4H trail run | 12H relay
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Loveland, CO
Larimer County, CO
10. RMRR Trophy Series - April
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Past DateApr 7, 2024Sunday
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4M run
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Denver, CO
Denver County, CO
11. Three Creeks Half Marathon
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Past DateApr 7, 2024Sunday
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13.1M run
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Denver, CO
Denver County, CO
12. Aspen parkrun
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Apr 12, 2025Saturday
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5K run
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Aspen, CO
Pitkin County, CO
13. Desert RATS Trail Running Festival
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Apr 12, 2025Saturday
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100K, 50K trail run
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Fruita, CO
Mesa County, CO
14. South Boulder Creek parkrun
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Apr 12, 2025Saturday
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5K run
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Boulder, CO
Boulder County, CO
15. 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
16. Desert RATS Trail Running Festival
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Apr 13, 2025Sunday
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13.1M trail run | kids run
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Fruita, CO
Mesa County, CO
17. Horsetooth Half Marathon
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Apr 13, 2025Sunday
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13.1M run
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Fort Collins, CO
Larimer County, CO
18. 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
Arapahoe County, CO
19. 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
20. The Diabetes Link at CU 5K Run/Walk
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Past DateApr 13, 2024Saturday
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5K run
More Information
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Boulder, CO
Boulder 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.
