April Races in Colorado
Event Category
Click Here to find out what Classic, Multisport, and Variety mean.
To narrow your search by a distance or event type, you will need to select Classic, Multisport, or Variety first.
To narrow your search by a distance or event type, you will need to select Classic, Multisport, or Variety first.
City Location
21. 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
22. Tillman Honor Run
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Past DateApr 13, 2024Saturday
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4.2M run
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Colorado Springs, CO
El Paso County, CO
23. Boulder Track Series Meet 1
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Past DateApr 14, 2024Sunday
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track meet
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Longmont, CO
Boulder County, CO
24. Desert RATS Trail Running Festival
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Past DateApr 14, 2024Sunday
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13.1M, 10K trail run
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Fruita, CO
Mesa County, CO
25. Elevate Kids Fun Run
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Past DateApr 14, 2024Sunday
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10K, 5K, 2.5K run
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Grand Junction, CO
Mesa County, CO
26. Healthy Kids Running Series
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Past DateApr 14, 2024Sunday
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kids run
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Trinidad, CO
Las Animas County, CO
27. Healthy Kids Running Series - Denver
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Past DateApr 14, 2024Sunday
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kids run
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Denver, CO
Denver County, CO
28. Healthy Kids Running Series - Aurora
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Past DateApr 14, 2024Sunday
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kids run
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Aurora, CO
Arapahoe County, CO
29. Horsetooth Half Marathon
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Past DateApr 14, 2024Sunday
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13.1M run
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Fort Collins, CO
Larimer County, CO
30. Platte River Half Marathon
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Past DateApr 14, 2024Sunday
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13.1M run | 13.1M relay
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Littleton, CO
Arapahoe County, CO
31. Spring Fling Prairie Dog Half
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Past DateApr 14, 2024Sunday
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13.1M, 10K, 5K run | kids run
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Arvada, CO
Jefferson County, CO
32. Aspen parkrun
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Apr 20, 2024Saturday
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5K run
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Aspen, CO
Pitkin County, CO
33. Earth Day 5K/10K
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Apr 20, 2024Saturday
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10K, 5K run | kids run
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Loveland, CO
Larimer County, CO
34. Five Star Fun Run and 5K
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Apr 20, 2024Saturday
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5K, 1M run
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Brighton, CO
Adams County, CO
35. Great Western Trail Race
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Apr 20, 2024Saturday
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13.1M, 10K, 5K run | kids run
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Severance, CO
Weld County, CO
36. Healthy Kids Running Series - Fort Collins
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Apr 20, 2024Saturday
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kids run
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Fort Collins, CO
Larimer County, CO
37. Huff and Puff 5K
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Apr 20, 2024Saturday
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5K run
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Trinidad, CO
Las Animas County, CO
38. Royal Gorge Groove
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Apr 20, 2024Saturday
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55K, 27K, 10K, 5K trail run
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Canon City, CO
Fremont County, CO
39. South Boulder Creek parkrun
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Apr 20, 2024Saturday
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5K run
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Boulder, CO
Boulder County, CO
40. Southwest CO FCA 5K
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Apr 20, 2024Saturday
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5K run
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Durango, CO
La Plata 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.