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
Featured Listing
1. Fall Equinox Marathon
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Sep 22, 2024Sunday
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26.2M, 13.1M, 5M run
Virtual OptionMore Information
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Boston Marathon Qualifier
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Fort Collins, CO
Larimer County, CO
61. BOLDERBoulder 10K
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May 27, 2024Monday
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10K run
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Boulder, CO
Boulder County, CO
62. Memorial Day 5K and Walk
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May 27, 2024Monday
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5K run
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Pueblo, CO
Pueblo County, CO
63. Boulder Stroke & Stride Series
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May 30, 2024Thursday
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aquathon | 5K run
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Boulder, CO
Boulder County, CO
64. Colorado Elite Sprint Fest
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May 31, 2024Friday
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track meet
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Englewood, CO
Arapahoe County, CO
65. Aiden's Adventure 5K
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Jun 1, 2024Saturday
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5K run
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Colorado Springs, CO
El Paso County, CO
66. Aspen parkrun
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Jun 1, 2024Saturday
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5K run
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Aspen, CO
Pitkin County, CO
67. Basalt Half Marathon
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Jun 1, 2024Saturday
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13.1M run | 13.1M relay
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Basalt, CO
Eagle County, CO
68. Centennial Airport Runway 5K
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Jun 1, 2024Saturday
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5K run
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Englewood, CO
Arapahoe County, CO
69. Colorado Brewery Running Series
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Jun 1, 2024Saturday
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5K run
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Englewood, CO
Arapahoe County, CO
70. Colorado Triathlon
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Jun 1, 2024Saturday
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olympic, sprint triathlon | olympic duathlon
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Boulder, CO
Boulder County, CO
71. Fire Hydrant 5K
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Jun 1, 2024Saturday
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5K run
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Fort Collins, CO
Larimer County, CO
72. Great Divide Ultra
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Jun 1, 2024Saturday
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100M, 100K, 50K, 25K trail run
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Divide, CO
Teller County, CO
73. J-Town Jog 5K
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Jun 1, 2024Saturday
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5K, 1M run | kids run
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Johnstown, CO
Weld County, CO
74. Latino Ultra Nature Adventure
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Jun 1, 2024Saturday
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50K, 13.1M, 7.5M, 5K run
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Golden, CO
Jefferson County, CO
75. Leadville Turquoise Lake 20K
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Jun 1, 2024Saturday
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20K trail run
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Leadville, CO
Lake County, CO
76. Louise Hammond Memorial Beardance Run
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Jun 1, 2024Saturday
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13.1M, 10K, 5K run
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Towaoc, CO
Montezuma County, CO
77. Mike the Headless Chicken 5K
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Jun 1, 2024Saturday
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5K run
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Fruita, CO
Mesa County, CO
78. Mountain Ridge Trail Race
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Jun 1, 2024Saturday
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21M, 13.1M, 10K, 5K trail run
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Highlands Ranch, CO
Douglas County, CO
79. Nielson Two Mile Challenge
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Jun 1, 2024Saturday
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2M trail run
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Colorado Springs, CO
El Paso County, CO
80. North Fork 50M/50K
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Jun 1, 2024Saturday
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50M, 50K trail run
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Pine, CO
Jefferson 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.