Upcoming 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
41. Altitude Elementary Moose Mudder
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May 5, 2024Sunday
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5K, 1K run
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Aurora, CO
Arapahoe County, CO
42. Colorado Brewery Running Series
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May 5, 2024Sunday
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5K run
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Denver, CO
Denver County, CO
43. Colorado Marathon
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May 5, 2024Sunday
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26.2M, 13.1M, 10K, 5K run | 26.2M relay
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Boston Marathon Qualifier
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Fort Collins, CO
Larimer County, CO
44. Healthy Kids Running Series - Denver
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May 5, 2024Sunday
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kids run
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Denver, CO
Denver County, CO
45. Healthy Kids Running Series
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May 5, 2024Sunday
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kids run
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Trinidad, CO
Las Animas County, CO
46. Healthy Kids Running Series - Aurora
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May 5, 2024Sunday
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kids run
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Aurora, CO
Arapahoe County, CO
47. RMRR Trophy Series - May
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May 5, 2024Sunday
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5M, 5K run
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Denver, CO
Denver County, CO
48. Dash & Dine 5K Series
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May 7, 2024Tuesday
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5K run
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Boulder, CO
Boulder County, CO
49. Aspen parkrun
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May 11, 2024Saturday
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5K run
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Aspen, CO
Pitkin County, CO
50. 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
Weld County, CO
51. CMRA Tucker Lake 6.5 Mile
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May 11, 2024Saturday
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6.5M run
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Arvada, CO
Jefferson County, CO
52. Colorado Brewery Running Series
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May 11, 2024Saturday
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5K run
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Northglenn, CO
Adams County, CO
53. Colorado Friends of First Responders Annual Run
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May 11, 2024Saturday
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10K, 5K run
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Littleton, CO
Arapahoe County, CO
54. Colorado Friends of First Responders
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May 11, 2024Saturday
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10K, 5K run | kids run
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Littleton, CO
Arapahoe County, CO
55. Endura Mamas 5K and Family Fun Run
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May 11, 2024Saturday
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5K run
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Buena Vista, CO
Chaffee County, CO
56. Girls on the Run 5K
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May 11, 2024Saturday
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5K run
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Longmont, CO
Boulder County, CO
57. Girls on the Run 5K
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May 11, 2024Saturday
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5K run
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Colorado Springs, CO
El Paso County, CO
58. Head and Neck Cancer A Hard Thing to Swallow 5K/10K
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May 11, 2024Saturday
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10K, 5K run
Virtual OptionMore Information
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Colorado Springs, CO
El Paso County, CO
59. Healthy Kids Running Series - Fort Collins
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May 11, 2024Saturday
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kids run
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Fort Collins, CO
Larimer County, CO
60. High Line Canal Run
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May 11, 2024Saturday
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10K, 5K run
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Centennial, CO
Arapahoe 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.